DK150796C - Kontinuerlig fremgangsmaade til fremstilling af koncentrerede vandige oploesninger af hydrazinhydrat - Google Patents

Kontinuerlig fremgangsmaade til fremstilling af koncentrerede vandige oploesninger af hydrazinhydrat

Info

Publication number: DK150796C
Authority: DK; Denmark
Prior art keywords: preparation; aqueous solutions; hydrazine hydrate; concentrated aqueous; continuous procedure
Prior art date: 1975-09-10

Application number

DK402276A

Other languages

English (en)

Other versions

DK402276A (da

DK150796B (da

Inventor

Jean-Pierre Schirmann

Jean Combroux

Serge Yvon Delavarenne

Original Assignee

Ugine Kuhlmann

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.)

1975-09-10

Filing date

1976-09-07

Publication date

1988-02-01

1976-09-07 Application filed by Ugine Kuhlmann filed Critical Ugine Kuhlmann

1977-03-11 Publication of DK402276A publication Critical patent/DK402276A/da

1987-06-22 Publication of DK150796B publication Critical patent/DK150796B/da

1988-02-01 Application granted granted Critical

1988-02-01 Publication of DK150796C publication Critical patent/DK150796C/da

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/16—Hydrazine; Salts thereof

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

DK402276A 1975-09-10 1976-09-07 Kontinuerlig fremgangsmaade til fremstilling af koncentrerede vandige oploesninger af hydrazinhydrat DK150796C (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR7527698A FR2323634A1 (fr)	1975-09-10	1975-09-10	Solutions concentrees d'hydrate d'hydrazine
FR7527698		1975-09-10

Publications (3)

Publication Number	Publication Date
DK402276A DK402276A (da)	1977-03-11
DK150796B DK150796B (da)	1987-06-22
DK150796C true DK150796C (da)	1988-02-01

Family

ID=9159809

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK402276A DK150796C (da)	1975-09-10	1976-09-07	Kontinuerlig fremgangsmaade til fremstilling af koncentrerede vandige oploesninger af hydrazinhydrat

Country Status (14)

Country	Link
US (1)	US4724133A (da)
JP (1)	JPS5256099A (da)
BE (1)	BE845314A (da)
CA (1)	CA1080436A (da)
CH (1)	CH613914A5 (da)
DE (1)	DE2639011C2 (da)
DK (1)	DK150796C (da)
ES (1)	ES451453A1 (da)
FR (1)	FR2323634A1 (da)
GB (1)	GB1560687A (da)
IE (1)	IE43720B1 (da)
IT (1)	IT1070291B (da)
LU (1)	LU75743A1 (da)
NL (1)	NL176847C (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2571711A1 (fr) *	1984-10-16	1986-04-18	Atochem	Procede de fabrication d'hydrate d'hydrazine
FR2655336B1 (fr) *	1989-12-04	1993-05-21	Atochem	Procede de vaporisation d'une solution d'hydrate d'hydrazine.
FR2778660B1 (fr) *	1998-05-14	2000-06-23	Atochem Elf Sa	Procede de preparation d'hydrate d'hydrazine
FR2787437B1 (fr) *	1998-12-22	2001-02-09	Atochem Elf Sa	Procede de fabrication d'hydrazine par hydrolyse d'une azine
US11225413B2 (en)	2016-10-03	2022-01-18	Council Of Scientific & Industrial Research	Process for production of hydrazine hydrate
FR3096049B1 (fr)	2019-05-16	2021-12-17	Arkema France	Procede ameliore de preparation d'hydrate d'hydrazine avec recyclage pyrazoline
FR3096048B1 (fr)	2019-05-16	2021-04-30	Arkema France	Procede ameliore de preparation d'hydrate d'hydrazine avec recyclage oxime
CN112093783A (zh) *	2020-09-30	2020-12-18	重庆腾泽化学有限公司	一种水合肼的纯化工艺
FR3130815A1 (fr)	2021-12-21	2023-06-23	Arkema France	Procede de preparation d'hydrate d'hydrazine en presence d’un agent anti-mousse
FR3137087A1 (fr)	2022-06-24	2023-12-29	Arkema France	Procede de preparation d'hydrate d'hydrazine utilisant une colonne d’absorption

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA626885A (en) *		1961-09-05	Rahlfs Erich	Process for removing acetone from aqueous hydrazine solutions containing acetone
NL274425A (da) *	1961-02-08
JPS4937715B1 (da) *	1966-02-10	1974-10-11
GB1211547A (en) *	1967-10-12	1970-11-11	Fisons Ind Chemicals Ltd	Hydrazine
FR2120517A5 (da) *	1971-01-07	1972-08-18	Ugine Kuhlmann

1975
- 1975-09-10 FR FR7527698A patent/FR2323634A1/fr active Granted
1976
- 1976-08-19 BE BE1007563A patent/BE845314A/xx not_active IP Right Cessation
- 1976-08-30 DE DE2639011A patent/DE2639011C2/de not_active Expired
- 1976-09-06 CH CH1130776A patent/CH613914A5/xx not_active IP Right Cessation
- 1976-09-07 DK DK402276A patent/DK150796C/da active
- 1976-09-08 LU LU75743A patent/LU75743A1/xx unknown
- 1976-09-08 JP JP51106864A patent/JPS5256099A/ja active Granted
- 1976-09-09 CA CA260,994A patent/CA1080436A/fr not_active Expired
- 1976-09-09 GB GB37411/76A patent/GB1560687A/en not_active Expired
- 1976-09-09 NL NLAANVRAGE7609995,A patent/NL176847C/xx active
- 1976-09-09 IT IT69191/76A patent/IT1070291B/it active
- 1976-09-10 ES ES451453A patent/ES451453A1/es not_active Expired
- 1976-09-10 IE IE2025/76A patent/IE43720B1/en not_active IP Right Cessation
1985
- 1985-07-26 US US06/759,282 patent/US4724133A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
LU75743A1 (da)	1978-04-27
ES451453A1 (es)	1977-10-01
NL176847C (nl)	1985-06-17
CA1080436A (fr)	1980-07-01
FR2323634A1 (fr)	1977-04-08
DK402276A (da)	1977-03-11
FR2323634B1 (da)	1979-03-30
DE2639011A1 (de)	1977-03-31
BE845314A (fr)	1977-02-21
IE43720B1 (en)	1981-05-06
DK150796B (da)	1987-06-22
DE2639011C2 (de)	1984-06-07
IE43720L (en)	1977-03-10
NL7609995A (nl)	1977-03-14
GB1560687A (en)	1980-02-06
JPS5256099A (en)	1977-05-09
CH613914A5 (da)	1979-10-31
JPS5423916B2 (da)	1979-08-17
IT1070291B (it)	1985-03-29
US4724133A (en)	1988-02-09

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