AT332365B - Verfahren zur herstellung von acetondicarbonsaure und deren saurederivaten - Google Patents

Verfahren zur herstellung von acetondicarbonsaure und deren saurederivaten

Info

Publication number: AT332365B
Authority: AT; Austria
Prior art keywords: acid; acetondicarbonic; production; acid derivatives; derivatives
Prior art date: 1973-03-01

Application number

AT165874A

Other languages

English (en)

Other versions

ATA165874A (de

Original Assignee

Akzo Nv

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.)

1973-03-01

Filing date

1974-02-28

Publication date

1976-09-27

1974-02-28 Application filed by Akzo Nv filed Critical Akzo Nv

1976-01-15 Publication of ATA165874A publication Critical patent/ATA165874A/de

1976-09-27 Application granted granted Critical

1976-09-27 Publication of AT332365B publication Critical patent/AT332365B/de

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/08—Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/235—Saturated compounds containing more than one carboxyl group
- C07C59/347—Saturated compounds containing more than one carboxyl group containing keto groups

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

AT165874A 1973-03-01 1974-02-28 Verfahren zur herstellung von acetondicarbonsaure und deren saurederivaten AT332365B (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7302863A NL7302863A (de)	1973-03-01	1973-03-01

Publications (2)

Publication Number	Publication Date
ATA165874A ATA165874A (de)	1976-01-15
AT332365B true AT332365B (de)	1976-09-27

Family

ID=19818343

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT165874A AT332365B (de)	1973-03-01	1974-02-28	Verfahren zur herstellung von acetondicarbonsaure und deren saurederivaten

Country Status (19)

Country	Link
US (1)	US3963775A (de)
JP (1)	JPS5024218A (de)
AR (1)	AR200909A1 (de)
AT (1)	AT332365B (de)
BE (1)	BE811613A (de)
BR (1)	BR7401458D0 (de)
CA (1)	CA1031365A (de)
CH (1)	CH602549A5 (de)
CS (1)	CS174128B2 (de)
DD (1)	DD111203A5 (de)
DE (1)	DE2409342A1 (de)
ES (1)	ES423738A1 (de)
FR (1)	FR2219929B1 (de)
GB (1)	GB1432308A (de)
IE (1)	IE38941B1 (de)
IT (1)	IT1003620B (de)
NL (1)	NL7302863A (de)
TR (1)	TR17644A (de)
ZA (1)	ZA741340B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS583601B2 (ja) *	1976-09-27	1983-01-22	株式会社日立製作所	スピ−カ保護回路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH543474A (de) *	1970-09-15	1973-10-31	Lonza Ag	Verfahren zur Herstellung von Acetondicarbonsäureestern
BE789049A (fr) *	1971-09-20	1973-03-20	Montedison Spa	Procede pour la preparation de l'acide citrique

1973
- 1973-03-01 NL NL7302863A patent/NL7302863A/xx unknown
1974
- 1974-02-21 GB GB796874A patent/GB1432308A/en not_active Expired
- 1974-02-25 CS CS1370A patent/CS174128B2/cs unknown
- 1974-02-26 US US05/445,941 patent/US3963775A/en not_active Expired - Lifetime
- 1974-02-26 DD DD176819A patent/DD111203A5/xx unknown
- 1974-02-27 CH CH273874A patent/CH602549A5/xx not_active IP Right Cessation
- 1974-02-27 CA CA193,579A patent/CA1031365A/en not_active Expired
- 1974-02-27 AR AR252515A patent/AR200909A1/es active
- 1974-02-27 DE DE2409342A patent/DE2409342A1/de not_active Ceased
- 1974-02-27 BE BE141421A patent/BE811613A/xx unknown
- 1974-02-28 JP JP49023705A patent/JPS5024218A/ja active Pending
- 1974-02-28 ZA ZA00741340A patent/ZA741340B/xx unknown
- 1974-02-28 BR BR1458/74A patent/BR7401458D0/pt unknown
- 1974-02-28 AT AT165874A patent/AT332365B/de not_active IP Right Cessation
- 1974-02-28 TR TR17644A patent/TR17644A/xx unknown
- 1974-02-28 IE IE00418/74A patent/IE38941B1/xx unknown
- 1974-02-28 ES ES423738A patent/ES423738A1/es not_active Expired
- 1974-03-01 IT IT48807/74A patent/IT1003620B/it active
- 1974-03-01 FR FR7407051A patent/FR2219929B1/fr not_active Expired

Also Published As

Publication number	Publication date
DD111203A5 (de)	1975-02-05
NL7302863A (de)	1974-09-03
AU6612774A (en)	1975-08-28
FR2219929B1 (de)	1978-01-06
DE2409342A1 (de)	1974-09-05
IT1003620B (it)	1976-06-10
TR17644A (tr)	1976-05-01
ZA741340B (en)	1975-01-29
BE811613A (fr)	1974-06-17
CS174128B2 (de)	1977-03-31
IE38941L (en)	1974-09-01
AR200909A1 (es)	1974-12-27
US3963775A (en)	1976-06-15
ES423738A1 (es)	1976-06-16
GB1432308A (en)	1976-04-14
IE38941B1 (en)	1978-07-05
CA1031365A (en)	1978-05-16
ATA165874A (de)	1976-01-15
FR2219929A1 (de)	1974-09-27
JPS5024218A (de)	1975-03-15
BR7401458D0 (pt)	1974-11-05
CH602549A5 (de)	1978-07-31

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Legal Events

Date	Code	Title	Description
1978-10-15	ELJ	Ceased due to non-payment of the annual fee
1999-08-15	REN	Ceased due to non-payment of the annual fee