GB2269381B - Process for preparing 1,1,1-trichlorotrifluoroethane - Google Patents

Process for preparing 1,1,1-trichlorotrifluoroethane

Info

Publication number
GB2269381B
GB2269381B GB9315517A GB9315517A GB2269381B GB 2269381 B GB2269381 B GB 2269381B GB 9315517 A GB9315517 A GB 9315517A GB 9315517 A GB9315517 A GB 9315517A GB 2269381 B GB2269381 B GB 2269381B
Authority
GB
United Kingdom
Prior art keywords
trichlorotrifluoroethane
preparing
Prior art date
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.)
Revoked
Application number
GB9315517A
Other versions
GB9315517D0 (en
GB2269381A (en
Inventor
Stephen Martin Brown
Janet Carolyn Glass
Gary Neil Sheldrake
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.)
Syngenta Ltd
Original Assignee
Zeneca 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.)
Filing date
Publication date
Priority claimed from GB929216442A external-priority patent/GB9216442D0/en
Application filed by Zeneca Ltd filed Critical Zeneca Ltd
Priority to GB9315517A priority Critical patent/GB2269381B/en
Priority to MX9304643A priority patent/MX9304643A/en
Priority to TR00677/93A priority patent/TR27406A/en
Publication of GB9315517D0 publication Critical patent/GB9315517D0/en
Publication of GB2269381A publication Critical patent/GB2269381A/en
Application granted granted Critical
Publication of GB2269381B publication Critical patent/GB2269381B/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
    • 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
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB9315517A 1992-08-03 1993-07-27 Process for preparing 1,1,1-trichlorotrifluoroethane Revoked GB2269381B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9315517A GB2269381B (en) 1992-08-03 1993-07-27 Process for preparing 1,1,1-trichlorotrifluoroethane
MX9304643A MX9304643A (en) 1992-08-03 1993-08-02 CHLORATION PROCEDURE.
TR00677/93A TR27406A (en) 1992-08-03 1993-08-03 Chlorination process for the preparation of 1, -1, -1-trichlorotrifuoroetane.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929216442A GB9216442D0 (en) 1992-08-03 1992-08-03 Chlorination process
GB9315517A GB2269381B (en) 1992-08-03 1993-07-27 Process for preparing 1,1,1-trichlorotrifluoroethane

Publications (3)

Publication Number Publication Date
GB9315517D0 GB9315517D0 (en) 1993-09-08
GB2269381A GB2269381A (en) 1994-02-09
GB2269381B true GB2269381B (en) 1995-10-04

Family

ID=26301362

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9315517A Revoked GB2269381B (en) 1992-08-03 1993-07-27 Process for preparing 1,1,1-trichlorotrifluoroethane

Country Status (3)

Country Link
GB (1) GB2269381B (en)
MX (1) MX9304643A (en)
TR (1) TR27406A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9315450D0 (en) 1993-07-26 1993-09-08 Zeneca Ltd Chlorination process

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060469A (en) * 1976-12-21 1977-11-29 Allied Chemical Corporation Preparation of 1,1,1-trifluoro-2,2-dichloroethane
DE3923248A1 (en) * 1989-07-14 1991-02-07 Hoechst Ag METHOD FOR PRODUCING 1,1,1-TRIFLUOR-2,2-DICHLORETHANE UNDER INCREASED PRESSURE
US5120883A (en) * 1991-08-26 1992-06-09 E. I. Du Pont De Nemours And Company Catalytic process for producing CCl3 CF3

Also Published As

Publication number Publication date
GB9315517D0 (en) 1993-09-08
MX9304643A (en) 1994-03-31
GB2269381A (en) 1994-02-09
TR27406A (en) 1995-03-09

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Legal Events

Date Code Title Description
730A Proceeding under section 30 patents act 1977
773K Patent revoked under sect. 73(2)/1977

Free format text: PATENT REVOKED ON 20040622