BE862289A - Procede de preparation de dimethyl ether et catalyseur utile a cet effet - Google Patents

Procede de preparation de dimethyl ether et catalyseur utile a cet effet

Info

Publication number: BE862289A
Authority: BE; Belgium
Prior art keywords: dimethyl ether; catalyst useful; preparing dimethyl; preparing; catalyst
Prior art date: 1976-12-23

Application number

BE183817A

Other languages

English (en)

Inventor

G Manara

B Notari

V Fattore

Original Assignee

Snam Progetti

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1976-12-23

Filing date

1977-12-23

Publication date

1978-06-23

1977-12-23 Application filed by Snam Progetti filed Critical Snam Progetti

1978-06-23 Publication of BE862289A publication Critical patent/BE862289A/fr

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/86—Chromium
- B01J23/868—Chromium copper and chromium
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0231—Halogen-containing compounds
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0272—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing elements other than those covered by B01J31/0201 - B01J31/0255
- B01J31/0274—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing elements other than those covered by B01J31/0201 - B01J31/0255 containing silicon
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0272—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing elements other than those covered by B01J31/0201 - B01J31/0255
- B01J31/0275—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing elements other than those covered by B01J31/0201 - B01J31/0255 also containing elements or functional groups covered by B01J31/0201 - B01J31/0269
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/15—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively
- C07C29/151—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases
- C07C29/153—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases characterised by the catalyst used
- C07C29/154—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases characterised by the catalyst used containing copper, silver, gold, or compounds thereof
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
- Y10S502/506—Method of making inorganic composition utilizing organic compound, except formic, acetic, or oxalic acid or salt thereof

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Inorganic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Catalysts (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

BE183817A 1976-12-23 1977-12-23 Procede de preparation de dimethyl ether et catalyseur utile a cet effet BE862289A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT30800/76A IT1065295B (it)	1976-12-23	1976-12-23	Processo per la produzione di dimetil etere e catalizzatore utilizzabile in detto processo

Publications (1)

Publication Number	Publication Date
BE862289A true BE862289A (fr)	1978-06-23

Family

ID=11232134

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE183817A BE862289A (fr)	1976-12-23	1977-12-23	Procede de preparation de dimethyl ether et catalyseur utile a cet effet

Country Status (37)

Country	Link
US (1)	US4177167A (fr)
JP (1)	JPS5379811A (fr)
AR (1)	AR227123A1 (fr)
AT (1)	AT360498B (fr)
AU (1)	AU517513B2 (fr)
BE (1)	BE862289A (fr)
BR (1)	BR7708470A (fr)
CA (1)	CA1119147A (fr)
CH (1)	CH629682A5 (fr)
CS (1)	CS219336B2 (fr)
DD (1)	DD133662A5 (fr)
DE (1)	DE2757788C3 (fr)
DK (1)	DK572277A (fr)
EG (1)	EG14145A (fr)
ES (1)	ES466012A1 (fr)
FR (1)	FR2375175A1 (fr)
GB (2)	GB1587630A (fr)
GR (1)	GR63609B (fr)
HU (1)	HU178729B (fr)
IE (1)	IE45952B1 (fr)
IL (1)	IL53564A (fr)
IT (1)	IT1065295B (fr)
LU (1)	LU78753A1 (fr)
MW (1)	MW2977A1 (fr)
MX (1)	MX147734A (fr)
NL (1)	NL7714215A (fr)
NO (1)	NO146861C (fr)
PH (1)	PH13798A (fr)
PL (2)	PL110957B1 (fr)
PT (1)	PT67435B (fr)
RO (1)	RO81244B (fr)
SE (1)	SE427269B (fr)
SU (1)	SU913935A3 (fr)
TR (1)	TR19408A (fr)
YU (1)	YU39229B (fr)
ZA (1)	ZA777209B (fr)
ZM (1)	ZM9377A1 (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS57130547A (en) *	1981-02-06	1982-08-13	Mitsubishi Gas Chem Co Inc	Catalyst for methanol synthesis
US4423155A (en) *	1981-02-20	1983-12-27	Mobil Oil Corporation	Dimethyl ether synthesis catalyst
US4375424A (en) *	1981-10-21	1983-03-01	Shell Oil Company	Catalyst for the preparation of dimethyl ether
US4507401A (en) *	1983-04-01	1985-03-26	At&T Bell Laboratories	Intermetallic catalyst preparation
US4521540A (en) *	1984-03-22	1985-06-04	Air Products And Chemicals, Inc.	Process for producing dimethyl ether form synthesis gas
US4590176A (en) *	1984-06-05	1986-05-20	Shell Oil Company	Catalyst for dimethyl ether synthesis and a process for its preparation
US4885405A (en) *	1987-12-10	1989-12-05	Horst Dornhagen	Process for the production of pure dimethylether and a catalyst used in the process
ATE83475T1 (de) *	1988-05-04	1993-01-15	Rwe Dea Ag	Verbessertes verfahren zur herstellung von reinem dimethylether.
GB8824382D0 (en) *	1988-10-18	1988-11-23	British Petroleum Co Plc	Chemical process & catalyst therefor
US5106810A (en) *	1989-06-29	1992-04-21	E. I. Du Pont De Nemours And Company	Methanol dissociation catalysts
DE3938835A1 (de) *	1989-11-23	1991-05-29	Sued Chemie Ag	Verfahren zur oxidation von organischen verunreinigungen in abwaessern
US5831116A (en) *	1996-12-18	1998-11-03	Northeastern University	Catalytic process for making ethers, aldehydes esters and acids from alcohols using a supercritical fluid mobile
US5753716A (en) *	1997-02-21	1998-05-19	Air Products And Chemicals, Inc.	Use of aluminum phosphate as the dehydration catalyst in single step dimethyl ether process
JP3232326B2 (ja) *	1997-03-11	2001-11-26	経済産業省産業技術総合研究所長	銅系触媒およびその製造法
DK173614B1 (da)	1999-02-02	2001-04-30	Topsoe Haldor As	Fremgangsmåde til fremstilling af methanol/dimethyletherblanding fra syntesegas
KR100812099B1 (ko) *	2006-11-28	2008-03-12	한국가스공사	디메틸에테르 제조용 혼합촉매, 이의 제조방법 및 이를 이용한 디메틸에테르 제조방법
FR2909666B1 (fr) *	2006-12-08	2009-03-06	Centre Nat Rech Scient	Deshydratation du methanol en dimethyl ether employant des catalyseurs a base d'une zeolithe supportee sur du carbure de silicium
EP2152409B1 (fr) *	2007-04-27	2016-06-29	Saudi Basic Industries Corporation	Hydrogénation catalytique du dioxyde de carbone en un mélange de syngaz
EP2072491A1 (fr)	2007-12-17	2009-06-24	BP p.l.c.	Processus de conversion d'alcool(s) en alcool(s) avec une chaîne de carbone prolongée
EP2072486A1 (fr)	2007-12-17	2009-06-24	BP p.l.c.	Processus de conversion d'hydrocarbures en éthanol
EP2072492A1 (fr)	2007-12-17	2009-06-24	BP p.l.c.	Processus de conversion d'hydrocarbure en éthanol
EP3814000A1 (fr) *	2018-06-29	2021-05-05	Dow Global Technologies Llc	Catalyseurs hybrides comprenant une zéolite et un composant d'oxyde métallique mixte pour convertir un gaz de synthèse en oléfines c2 et c3
WO2020005703A1 (fr)	2018-06-29	2020-01-02	Dow Global Technologies Llc	Catalyseurs hybrides comprenant un composant d'oxyde métallique mixte pour la production d'hydrocarburesc2 et c3
CN111250098B (zh) *	2020-03-11	2023-03-31	上海兖矿能源科技研发有限公司	一种用于费托合成反应水加氢催化剂及其制备方法和应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2852473A (en) *	1955-06-08	1958-09-16	Grace W R & Co	Method of preparing alumina and hydroforming catalyst thereon
US3502595A (en) *	1965-10-28	1970-03-24	Sinclair Research Inc	Preparation of silica-alumina,titania-alumina,and phosphorous oxide-alumina catalysts
US3770618A (en) *	1967-06-26	1973-11-06	Exxon Research Engineering Co	Hydrodesulfurization of residua
US3840477A (en) *	1972-08-03	1974-10-08	Nalco Chemical Co	Hydrotreating catalyst
US3944503A (en) *	1972-12-22	1976-03-16	Exxon Research & Engineering Co.	Catalyst for conversion of heavy hydrocarbon oils
US3941819A (en) *	1973-12-14	1976-03-02	Exxon Research And Engineering Company	Catalytic formation of hydrocarbons from CO hydrogen mixtures

1976
- 1976-12-23 IT IT30800/76A patent/IT1065295B/it active
1977
- 1977-12-02 GR GR54908A patent/GR63609B/el unknown
- 1977-12-05 ZA ZA00777209A patent/ZA777209B/xx unknown
- 1977-12-05 AU AU31201/77A patent/AU517513B2/en not_active Expired
- 1977-12-07 IL IL53564A patent/IL53564A/xx unknown
- 1977-12-08 CA CA000292649A patent/CA1119147A/fr not_active Expired
- 1977-12-14 CH CH1538577A patent/CH629682A5/it not_active IP Right Cessation
- 1977-12-15 MW MW29/77A patent/MW2977A1/xx unknown
- 1977-12-15 MX MX171741A patent/MX147734A/es unknown
- 1977-12-16 AR AR270404A patent/AR227123A1/es active
- 1977-12-19 RO RO92530A patent/RO81244B/ro unknown
- 1977-12-19 GB GB34587/79A patent/GB1587630A/en not_active Expired
- 1977-12-19 BR BR7708470A patent/BR7708470A/pt unknown
- 1977-12-19 GB GB52815/77A patent/GB1587629A/en not_active Expired
- 1977-12-20 CS CS778596A patent/CS219336B2/cs unknown
- 1977-12-20 ZM ZM93/77A patent/ZM9377A1/xx unknown
- 1977-12-20 IE IE2582/77A patent/IE45952B1/en unknown
- 1977-12-20 TR TR19408A patent/TR19408A/xx unknown
- 1977-12-20 US US05/862,575 patent/US4177167A/en not_active Expired - Lifetime
- 1977-12-21 PT PT67435A patent/PT67435B/pt unknown
- 1977-12-21 DD DD7700202852A patent/DD133662A5/xx unknown
- 1977-12-21 DK DK572277A patent/DK572277A/da not_active Application Discontinuation
- 1977-12-21 NO NO774404A patent/NO146861C/no unknown
- 1977-12-21 PH PH20582A patent/PH13798A/en unknown
- 1977-12-21 NL NL7714215A patent/NL7714215A/xx active Search and Examination
- 1977-12-21 EG EG710/77A patent/EG14145A/xx active
- 1977-12-22 FR FR7738886A patent/FR2375175A1/fr active Granted
- 1977-12-22 HU HU77SA3084A patent/HU178729B/hu unknown
- 1977-12-22 PL PL1977211562A patent/PL110957B1/pl unknown
- 1977-12-22 AT AT923177A patent/AT360498B/de not_active IP Right Cessation
- 1977-12-22 LU LU78753A patent/LU78753A1/xx unknown
- 1977-12-22 SE SE7714703A patent/SE427269B/sv not_active IP Right Cessation
- 1977-12-22 SU SU772556955A patent/SU913935A3/ru active
- 1977-12-22 PL PL1977203247A patent/PL110505B1/pl unknown
- 1977-12-23 YU YU03069/77A patent/YU39229B/xx unknown
- 1977-12-23 DE DE2757788A patent/DE2757788C3/de not_active Expired
- 1977-12-23 BE BE183817A patent/BE862289A/fr not_active IP Right Cessation
- 1977-12-23 JP JP15460877A patent/JPS5379811A/ja active Granted
- 1977-12-23 ES ES466012A patent/ES466012A1/es not_active Expired

Also Published As

Publication number	Publication date
IL53564A0 (en)	1978-03-10
DD133662A5 (de)	1979-01-17
DE2757788A1 (de)	1978-06-29
HU178729B (en)	1982-06-28
SE427269B (sv)	1983-03-21
GB1587630A (en)	1981-04-08
MW2977A1 (en)	1978-08-09
DE2757788C3 (de)	1980-02-14
CS219336B2 (en)	1983-03-25
JPS6143332B2 (fr)	1986-09-26
RO81244A (fr)	1983-02-15
YU306977A (en)	1982-10-31
YU39229B (en)	1984-08-31
JPS5379811A (en)	1978-07-14
ZA777209B (en)	1978-10-25
IL53564A (en)	1982-07-30
RO81244B (ro)	1983-02-28
MX147734A (es)	1983-01-10
GR63609B (en)	1979-11-26
CA1119147A (fr)	1982-03-02
AU517513B2 (en)	1981-08-06
PH13798A (en)	1980-10-01
EG14145A (en)	1983-09-30
NO774404L (no)	1978-06-26
TR19408A (tr)	1979-03-01
ATA923177A (de)	1980-06-15
BR7708470A (pt)	1978-08-08
LU78753A1 (fr)	1978-04-17
IE45952L (en)	1978-06-23
NO146861C (no)	1982-12-22
US4177167A (en)	1979-12-04
AT360498B (de)	1981-01-12
PL110957B1 (en)	1980-08-30
GB1587629A (en)	1981-04-08
IE45952B1 (en)	1983-01-12
NL7714215A (nl)	1978-06-27
PL203247A1 (pl)	1978-07-31
PT67435A (en)	1978-01-01
ES466012A1 (es)	1978-10-01
ZM9377A1 (en)	1979-11-21
AR227123A1 (es)	1982-09-30
PL110505B1 (en)	1980-07-31
NO146861B (no)	1982-09-13
CH629682A5 (it)	1982-05-14
AU3120177A (en)	1979-06-14
PT67435B (en)	1979-05-23
DE2757788B2 (de)	1979-06-21
FR2375175A1 (fr)	1978-07-21
IT1065295B (it)	1985-02-25
DK572277A (da)	1978-06-24
SU913935A3 (en)	1982-03-15
FR2375175B1 (fr)	1980-06-06

Publication	Publication Date	Title
BE862289A (fr)	1978-06-23	Procede de preparation de dimethyl ether et catalyseur utile a cet effet
PT78443A (pt)	1984-05-01	Process for preparing phenethanolamine derivatives
ES483077A0 (es)	1980-12-16	Un procedimiento para la obtencion de un derivado de tiazo- lidina
AR224359A1 (es)	1981-11-30	Un procedimiento para preparar derivados de 1-hidroxi-9-hidroximino-tetrahidro-dibenzo(b,d)-piranos
ES490503A0 (es)	1981-02-16	Un procedimiento para preparar nuevos compuestos de cefem
MX5395E (es)	1983-07-08	Metodo para preparar un derivado de eter de almidon
ES487847A0 (es)	1980-12-16	Un procedimiento para preparar nuevas fenetanolaminas
YU35777A (en)	1983-02-28	Process for obtaining a new catalyst
ES492003A0 (es)	1981-03-16	Un procedimiento para preparar compuestos de cefem
IT7969354A0 (it)	1979-12-06	Rivelatore per segnali a multifrequenza
AR227647A1 (es)	1982-11-30	Procedimiento para producir un complejo de platino
ES533049A0 (es)	1985-10-01	Un procedimiento para preparar un eter poliglicilico.
AR223166A1 (es)	1981-07-31	Procedimiento para la obtencion de un catalizador
AR226031A1 (es)	1982-05-31	Procedimiento para la obtencion de un catalizador
FR2350327A1 (fr)	1977-12-02	Procede de preparation de pentachloronitrobenzene
BE856679A (fr)	1978-01-11	Procede de preparation de benzaldehydesorthosubstitues
ES493759A0 (es)	1981-08-01	Un procedimiento para preparar benzoxazepinas
RO76535A (fr)	1981-04-30	Procede pour la preparation d'un catalyseur utilise a la synthese du methanol
NZ184508A (en)	1979-07-11	A process for preparing derivatives of cyclopropane
ES486989A0 (es)	1981-04-01	Un procedimiento para preparar derivados de la 4- dehidropi-ridina.
ES489590A0 (es)	1981-02-16	Un procedimiento para preparar arilalquil- y ariloxi-alquil-fosfonatos
ES493191A0 (es)	1981-06-16	Un metodo para preparar feniliminotiadiazolinas
ES481212A0 (es)	1980-12-16	Un procedimiento para preparar benzoxepinas
AR214733A1 (es)	1979-07-31	Un procedimiento para preparar derivados de 2-cian-aziridina
ES487010A0 (es)	1980-12-16	Un procedimiento para preparar derivados de acido-3-aril- isoxazol-5-ilbenzoico.

Legal Events

Date	Code	Title	Description
1988-06-30	RE	Patent lapsed	Owner name: SNAMPROGETTI S.P.A. Effective date: 19871231

Date

Code

Title

Description

1988-06-30

Patent lapsed

Owner name: SNAMPROGETTI S.P.A.

Effective date: 19871231