GB8616122D0 - Valorization - Google Patents

Valorization

Info

Publication number
GB8616122D0
GB8616122D0 GB868616122A GB8616122A GB8616122D0 GB 8616122 D0 GB8616122 D0 GB 8616122D0 GB 868616122 A GB868616122 A GB 868616122A GB 8616122 A GB8616122 A GB 8616122A GB 8616122 D0 GB8616122 D0 GB 8616122D0
Authority
GB
United Kingdom
Prior art keywords
valorization
bromination
prebromination
underbrominated
perbrominated
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.)
Granted
Application number
GB868616122A
Other versions
GB2177399A (en
GB2177399B (en
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.)
Arkema France SA
Original Assignee
Atochem 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.)
Filing date
Publication date
Application filed by Atochem SA filed Critical Atochem SA
Publication of GB8616122D0 publication Critical patent/GB8616122D0/en
Publication of GB2177399A publication Critical patent/GB2177399A/en
Priority to GB878719509A priority Critical patent/GB8719509D0/en
Application granted granted Critical
Publication of GB2177399B publication Critical patent/GB2177399B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/22—Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of halogens; by substitution of halogen atoms by other halogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Underbrominated products which are difficult to isolate from the solutions in which they are present are perbrominated by performing an additional bromination in the presence of a bromination catalyst and refluxing the mixture until prebromination is complete.
GB8616122A 1985-07-03 1986-07-02 Process for the valorization, in the form of perbrominated products, of underbrominated products produced as solutions Expired GB2177399B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB878719509A GB8719509D0 (en) 1986-07-02 1987-08-18 Aeration device for liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8510162A FR2584394B1 (en) 1985-07-03 1985-07-03 PROCESS FOR VALUATING IN THE FORM OF PERBROMOUS PRODUCTS OF SUB-BROMINATED PRODUCTS OBTAINED IN SOLUTIONS

Publications (3)

Publication Number Publication Date
GB8616122D0 true GB8616122D0 (en) 1986-08-06
GB2177399A GB2177399A (en) 1987-01-21
GB2177399B GB2177399B (en) 1989-07-19

Family

ID=9320928

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8616122A Expired GB2177399B (en) 1985-07-03 1986-07-02 Process for the valorization, in the form of perbrominated products, of underbrominated products produced as solutions

Country Status (10)

Country Link
JP (1) JPS6210035A (en)
BE (1) BE905039A (en)
CH (1) CH666677A5 (en)
DE (1) DE3622235A1 (en)
ES (1) ES2000304A6 (en)
FR (1) FR2584394B1 (en)
GB (1) GB2177399B (en)
IL (1) IL79285A0 (en)
IT (1) IT1190141B (en)
NL (1) NL8601648A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL80391A (en) * 1986-10-22 1992-03-29 Bromine Compounds Ltd Process for the preparation of decabromodiphenyl ether with improved thermal stability
IL80390A (en) * 1986-10-22 1992-06-21 Bromine Compounds Ltd Process for the preparation of decabromodiphenyl ether
US20080058558A1 (en) * 2006-08-29 2008-03-06 Albemarle Corporation Preparation of decabromodiphenyl oxide
WO2008027778A1 (en) * 2006-08-29 2008-03-06 Albemarle Corporation Preparation of high assay decabromodiphenyl oxide

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763248A (en) * 1971-03-02 1973-10-02 Ethyl Corp Process for production of poly brominated aromatics
US3833674A (en) * 1972-08-24 1974-09-03 Ethyl Corp Recovery of brominated biphenyl
JPS5239638A (en) * 1975-08-25 1977-03-28 Toyo Soda Mfg Co Ltd Process for preparation of decabromobiphenylether
GB1472383A (en) * 1976-01-23 1977-05-04 Isc Chem Ltd Bromination of diphenyl oxide
DD137803A3 (en) * 1976-12-13 1979-09-26 Hans Baltz PROCESS FOR THE PREPARATION OF HEXABROMBENZOL
DD128749A1 (en) * 1976-12-13 1977-12-07 Wolfgang Baumann PROCESS FOR THE PREPARATION OF HEXABROMBENZOL
US4521633A (en) * 1983-05-19 1985-06-04 The Dow Chemical Company Bromination process

Also Published As

Publication number Publication date
JPS6210035A (en) 1987-01-19
IL79285A0 (en) 1986-09-30
DE3622235A1 (en) 1987-01-15
IT8620961A0 (en) 1986-06-27
IT1190141B (en) 1988-02-10
BE905039A (en) 1987-01-02
FR2584394A1 (en) 1987-01-09
NL8601648A (en) 1987-02-02
GB2177399A (en) 1987-01-21
DE3622235C2 (en) 1989-10-19
GB2177399B (en) 1989-07-19
IT8620961A1 (en) 1987-12-27
ES2000304A6 (en) 1988-02-16
CH666677A5 (en) 1988-08-15
FR2584394B1 (en) 1987-09-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee