FR2223302B1 - - Google Patents

Info

Publication number: FR2223302B1
Authority: FR; France
Legal status (The legal status 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 status listed.): Expired

Application number

FR7411048A

Other versions

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

BOC Group Ltd

Original Assignee

British Oxigen Ltd

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.)

1973-03-30

Filing date

1974-03-29

Publication date

1977-10-07

1974-03-29 Application filed by British Oxigen Ltd filed Critical British Oxigen Ltd

1974-10-25 Publication of FR2223302A1 publication Critical patent/FR2223302A1/fr

1977-10-07 Application granted granted Critical

1977-10-07 Publication of FR2223302B1 publication Critical patent/FR2223302B1/fr

Status Expired legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/64—Thiosulfates; Dithionites; Polythionates
- C01B17/66—Dithionites or hydrosulfites (S2O42-)

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

FR7411048A 1973-03-30 1974-03-29 Expired FR2223302B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB1538673A GB1461785A (en)	1973-03-30	1973-03-30	Alkali metal dithionite manufacture
GB3396973		1973-07-17

Publications (2)

Publication Number	Publication Date
FR2223302A1 FR2223302A1 (fr)	1974-10-25
FR2223302B1 true FR2223302B1 (fr)	1977-10-07

Family

ID=26251260

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7411048A Expired FR2223302B1 (fr)	1973-03-30	1974-03-29

Country Status (9)

Country	Link
US (1)	US3947559A (fr)
JP (1)	JPS566364B2 (fr)
CA (1)	CA1012736A (fr)
DE (1)	DE2414597C3 (fr)
FR (1)	FR2223302B1 (fr)
GB (1)	GB1461785A (fr)
LU (1)	LU69738A1 (fr)
NL (1)	NL7404415A (fr)
SE (1)	SE396212B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2442418B2 (de) *	1974-09-05	1980-04-17	Basf Ag, 6700 Ludwigshafen	Verfahren zur Herstellung von Natriumdithionit
CA1103888A (fr) *	1976-06-24	1981-06-30	Charles E. Winslow	Traduction non-disponible
US5389351A (en) *	1992-11-04	1995-02-14	Hasebe; Nobuyasu	Method for desulfurizing a gas

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2010615A (en) *	1933-07-31	1935-08-06	Victor Chemical Works	Production of anhydrous alkali metal hyposulphites
DE1592013B2 (de) *	1966-05-16	1972-08-24	Mitsubishi Edogawa Kagaku K K , Tokio	Verfahren zur herstellung eines wasserfreien natrium-hyposulfits
US3839218A (en) *	1970-01-09	1974-10-01	Rohm & Haas	Method of maintaining metal dithionite hydrate crystals in dispersible form
US3576598A (en) *	1970-02-05	1971-04-27	Virginia Chemicals Inc	Production of sodium hydrosulfite from formates
US3826818A (en) *	1972-08-03	1974-07-30	Pennwalt Corp	Method for making anhydrous alkali metal hydrosulfites

1973
- 1973-03-30 GB GB1538673A patent/GB1461785A/en not_active Expired
1974
- 1974-03-26 DE DE2414597A patent/DE2414597C3/de not_active Expired
- 1974-03-28 CA CA196,296A patent/CA1012736A/en not_active Expired
- 1974-03-28 LU LU69738A patent/LU69738A1/xx unknown
- 1974-03-29 FR FR7411048A patent/FR2223302B1/fr not_active Expired
- 1974-03-29 JP JP3553674A patent/JPS566364B2/ja not_active Expired
- 1974-03-29 SE SE7404304A patent/SE396212B/xx not_active IP Right Cessation
- 1974-03-29 US US05/455,980 patent/US3947559A/en not_active Expired - Lifetime
- 1974-04-01 NL NL7404415A patent/NL7404415A/xx not_active Application Discontinuation

Also Published As

Publication number	Publication date
US3947559A (en)	1976-03-30
DE2414597C3 (de)	1978-05-18
SE396212B (sv)	1977-09-12
CA1012736A (en)	1977-06-28
GB1461785A (en)	1977-01-19
DE2414597A1 (de)	1974-10-17
LU69738A1 (fr)	1974-07-17
NL7404415A (fr)	1974-10-02
FR2223302A1 (fr)	1974-10-25
DE2414597B2 (de)	1977-09-22
JPS5035095A (fr)	1975-04-03
JPS566364B2 (fr)	1981-02-10

Publication	Publication Date	Title
AR201758A1 (fr)	1975-04-15
AU476761B2 (fr)	1976-09-30
AU465372B2 (fr)	1975-09-25
AR201235Q (fr)	1975-02-21
AR201231Q (fr)	1975-02-21
AU474593B2 (fr)	1976-07-29
AU474511B2 (fr)	1976-07-22
AU474838B2 (fr)	1976-08-05
AU471343B2 (fr)	1976-04-15
AU465453B2 (fr)	1975-09-25
AU465434B2 (fr)	1975-09-25
AU450229B2 (fr)	1974-07-04
AU476714B2 (fr)	1976-09-30
AR201229Q (fr)	1975-02-21
AU466283B2 (fr)	1975-10-23
AU476696B2 (fr)	1976-09-30
AU472848B2 (fr)	1976-06-03
AR199451A1 (fr)	1974-08-30
AU477823B2 (fr)	1975-06-19
AU461342B2 (fr)	1975-05-22
AU471461B2 (fr)	1976-04-29
AR200256A1 (fr)	1974-10-31
AU477824B2 (fr)	1975-07-17
AR210729A1 (fr)	1977-09-15
AU476873B1 (fr)	1975-01-09

Legal Events

Date	Code	Title	Description
1982-01-22	ST	Notification of lapse