GB1457097A

GB1457097A – 1,2,3,4-tetrakis -perfluoroalkyl- butadienes-1,3 and the pre paration thereof
– Google Patents

GB1457097A – 1,2,3,4-tetrakis -perfluoroalkyl- butadienes-1,3 and the pre paration thereof
– Google Patents
1,2,3,4-tetrakis -perfluoroalkyl- butadienes-1,3 and the pre paration thereof

Info

Publication number
GB1457097A

GB1457097A
GB562275A
GB562275A
GB1457097A
GB 1457097 A
GB1457097 A
GB 1457097A
GB 562275 A
GB562275 A
GB 562275A
GB 562275 A
GB562275 A
GB 562275A
GB 1457097 A
GB1457097 A
GB 1457097A
Authority
GB
United Kingdom
Prior art keywords
perfluoroalkyl
tetrakis
butadienes
feb
bis
Prior art date
1974-02-12
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
GB562275A
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.)

Produits Chimiques Ugine Kuhlmann

Ugine Kuhlmann SA

Original Assignee
Produits Chimiques Ugine Kuhlmann
Ugine Kuhlmann SA
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.)
1974-02-12
Filing date
1975-02-10
Publication date
1976-12-01

1975-02-10
Application filed by Produits Chimiques Ugine Kuhlmann, Ugine Kuhlmann SA
filed
Critical
Produits Chimiques Ugine Kuhlmann

1976-12-01
Publication of GB1457097A
publication
Critical
patent/GB1457097A/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS

C07C21/00—Acyclic unsaturated compounds containing halogen atoms

C07C21/02—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds

C07C21/19—Halogenated dienes

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS

C07C17/00—Preparation of halogenated hydrocarbons

C07C17/26—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton

C07C17/263—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions

C07C17/269—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions of only halogenated hydrocarbons

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS

C07C17/00—Preparation of halogenated hydrocarbons

C07C17/26—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton

C07C17/272—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions

C07C17/278—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions of only halogenated hydrocarbons

C07C17/281—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions of only halogenated hydrocarbons of only one compound

Abstract

1457097 1,2,3,4 – Tetrakis(perfluoroalkyl)- butadiene-1,3-production PRODUITS CHIMIQUES UGINE KUHLMANN 10 Feb 1975 [12 Feb 1974] 5622/75 Heading C2C 1,2,3,4 – Tetrakis(perfluoroalkyl) – butadienes- 1,3 of general formula in which R F and R1 F are same or different and are of the formula CF 3 -(CF 2 ) n – where n is an integer of 1-10, are prepared by the dimerization of 1,2-bis(perfluoroalkyl)-iodoethylene of general formula in the presence of Cu. 1,2 – Bis(perfluoroalkyl)iodoethylenes are prepared by reaction of a perfluoroalkyl iodide and perfluoroalkyl acetylene.

GB562275A
1974-02-12
1975-02-10
1,2,3,4-tetrakis -perfluoroalkyl- butadienes-1,3 and the pre paration thereof

Expired

GB1457097A
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

FR7404599A

FR2260552B1
(en)

1974-02-12
1974-02-12

Publications (1)

Publication Number
Publication Date

GB1457097A
true

GB1457097A
(en)

1976-12-01

Family
ID=9134776
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB562275A
Expired

GB1457097A
(en)

1974-02-12
1975-02-10
1,2,3,4-tetrakis -perfluoroalkyl- butadienes-1,3 and the pre paration thereof

Country Status (8)

Country
Link

US
(1)

US3983179A
(en)

JP
(1)

JPS574609B2
(en)

BE
(1)

BE825413A
(en)

CA
(1)

CA1054637A
(en)

CH
(1)

CH590803A5
(en)

FR
(1)

FR2260552B1
(en)

GB
(1)

GB1457097A
(en)

IT
(1)

IT1027379B
(en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

JPS51149210A
(en)

*

1975-06-16
1976-12-22
Central Glass Co Ltd
Process for preparation of tetrafluoroethylene oligomers

KR20190139935A
(en)

*

2017-04-27
2019-12-18
칸토 덴카 코교 가부시키가이샤

Process for preparing compounds having butadiene skeleton containing hydrogen and fluorine and / or chlorine

KR102362056B1
(en)

*

2017-06-20
2022-02-14
다이킨 고교 가부시키가이샤

Method for producing butadiene compound

US11046629B2
(en)

2018-02-02
2021-06-29
Kanto Denka Kogyo Co., Ltd.
Method of producing compound having butadiene skeleton containing hydrogen and fluorine and/or chlorine

JP6599583B1
(en)

2018-11-05
2019-10-30
キッコーマン株式会社

Multigene disrupted Aspergillus microorganism and method for producing the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

GB824229A
(en)

*

1954-08-09
1959-11-25
Robert Neville Haszeldine
Improvements in or relating to halogenated organic compounds

US3218303A
(en)

*

1958-02-10
1965-11-16
Du Pont
Fluorobutadienes, fluorobutadiene polymers, and preparation of the same

US3145222A
(en)

*

1961-02-23
1964-08-18
Du Pont
Addition of polyfluoroalkyl iodides to unsaturated compounds and products produced thereby

1974

1974-02-12
FR
FR7404599A
patent/FR2260552B1/fr
not_active
Expired

1975

1975-01-27
IT
IT67182/75A
patent/IT1027379B/en
active

1975-01-28
US
US05/544,817
patent/US3983179A/en
not_active
Expired – Lifetime

1975-02-05
CA
CA219412A
patent/CA1054637A/en
not_active
Expired

1975-02-10
GB
GB562275A
patent/GB1457097A/en
not_active
Expired

1975-02-11
BE
BE153258A
patent/BE825413A/en
not_active
IP Right Cessation

1975-02-12
JP
JP1699775A
patent/JPS574609B2/ja
not_active
Expired

1975-02-12
CH
CH168175A
patent/CH590803A5/xx
not_active
IP Right Cessation

Also Published As

Publication number
Publication date

FR2260552A1
(en)

1975-09-05

CH590803A5
(en)

1977-08-31

FR2260552B1
(en)

1978-05-12

JPS574609B2
(en)

1982-01-27

DE2505327A1
(en)

1975-08-14

JPS50112307A
(en)

1975-09-03

IT1027379B
(en)

1978-11-20

DE2505327B2
(en)

1977-02-24

BE825413A
(en)

1975-08-11

CA1054637A
(en)

1979-05-15

US3983179A
(en)

1976-09-28

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Legal Events

Date
Code
Title
Description

1977-04-14
PS
Patent sealed [section 19, patents act 1949]

1994-10-05
PCNP
Patent ceased through non-payment of renewal fee

Effective date:
19940210

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