DE3570868D1 - Method for the preparation of chloroformate compositions - Google Patents

Method for the preparation of chloroformate compositions

Info

Publication number
DE3570868D1
DE3570868D1 DE8585905717T DE3570868T DE3570868D1 DE 3570868 D1 DE3570868 D1 DE 3570868D1 DE 8585905717 T DE8585905717 T DE 8585905717T DE 3570868 T DE3570868 T DE 3570868T DE 3570868 D1 DE3570868 D1 DE 3570868D1
Authority
DE
Germany
Prior art keywords
chloroformate
compositions
preparation
chloroformate compositions
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.)
Expired
Application number
DE8585905717T
Other languages
English (en)
Inventor
Daniel Brunelle
Thomas Shannon
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE3570868D1 publication Critical patent/DE3570868D1/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C68/00Preparation of esters of carbonic or haloformic acids
    • C07C68/02Preparation of esters of carbonic or haloformic acids from phosgene or haloformates
DE8585905717T 1984-11-29 1985-11-07 Method for the preparation of chloroformate compositions Expired DE3570868D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US67635384A 1984-11-29 1984-11-29
US06/790,909 US4638077A (en) 1984-11-29 1985-10-24 Method for the preparation of chloroformate compositions
PCT/US1985/002190 WO1986003192A1 (en) 1984-11-29 1985-11-07 Chloroformate compositions and method for their preparation

Publications (1)

Publication Number Publication Date
DE3570868D1 true DE3570868D1 (en) 1989-07-13

Family

ID=27101535

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585905717T Expired DE3570868D1 (en) 1984-11-29 1985-11-07 Method for the preparation of chloroformate compositions

Country Status (7)

Country Link
US (1) US4638077A (de)
EP (1) EP0203112B1 (de)
AU (1) AU585914B2 (de)
BR (1) BR8507097A (de)
DE (1) DE3570868D1 (de)
MX (1) MX164046B (de)
WO (1) WO1986003192A1 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649210A (en) * 1985-09-23 1987-03-10 General Electric Company Reducing phosgenation reaction temperatures
BR8702214A (pt) * 1986-06-09 1988-03-01 Gen Electric Processo para a preparacao de uma composicao de biscloroformato aromatico
US4810813A (en) * 1986-09-08 1989-03-07 General Electric Company Method for making reaction products of phosgene and dihydric phenol with stable suspension of dihydric phenol, alkali metal hydroxide and water
US5011967A (en) * 1986-10-10 1991-04-30 General Electric Company Method for preparing aromatic bischloroformate compositions
US4737573A (en) * 1986-10-10 1988-04-12 General Electric Company Method for polymerizing aromatic bischloroformate composition to polycarbonate
US4994595A (en) * 1986-11-04 1991-02-19 General Electric Company Preparation of spirobiindane bisphenol bischloroformate compositions
US4904810A (en) * 1987-01-16 1990-02-27 General Electric Company Bischoloroformate preparation method with phosgene removal and monochloroformate conversion
EP0274743A3 (de) * 1987-01-16 1989-07-26 General Electric Company Herstellungsverfahren von Bichlorformiat mit Phosgenentfernung und Umwandlung von Monochlorformiat
US4994594A (en) * 1988-02-29 1991-02-19 General Electric Company Oligomeric carbonate chainstoppers
US4939230A (en) * 1988-11-16 1990-07-03 The Dow Chemical Company Elimination of monocarbonate from polycarbonate
US4973729A (en) * 1989-01-19 1990-11-27 General Electric Company Method for preparing hydroquinone and hydroquinone-bisphenol a Bischloroformates
US5043203A (en) * 1990-05-07 1991-08-27 General Electric Company Method for making end-capped polycarbonates from bisphenol monochloroformate polycarbonate oligomers with pH control system
US5264548A (en) * 1990-09-20 1993-11-23 General Electric Company Low melting cyclic polycarbonate composition
US5097009A (en) * 1990-09-24 1992-03-17 General Electric Company Method for making cyclic oligomeric aromatic polycarbonates from monochloroformate
NL9201859A (nl) * 1992-10-27 1994-05-16 Gen Electric Werkwijze voor het bereiden van chloroformiaatverbindingen.
DE4244008C2 (de) * 1992-12-24 1997-04-24 Bayer Ag Verfahren zur Herstellung von aliphatisch-aromatischen Polycarbonaten
US6960626B2 (en) * 2000-01-21 2005-11-01 Cyclics Corporation Intimate physical mixtures containing macrocyclic polyester oligomer and filler
US6369157B1 (en) 2000-01-21 2002-04-09 Cyclics Corporation Blend material including macrocyclic polyester oligomers and processes for polymerizing the same
US20050282952A1 (en) * 2000-01-21 2005-12-22 Cyclics Corporation Graphite-polyester composites made from macrocyclic polyester oligomers
US6906147B2 (en) * 2002-03-20 2005-06-14 Cyclics Corporation Catalytic systems
US6420047B2 (en) 2000-01-21 2002-07-16 Cyclics Corporation Macrocyclic polyester oligomers and processes for polymerizing the same
US7256241B2 (en) * 2000-01-21 2007-08-14 Cyclics Corporation Methods for polymerizing macrocyclic polyester oligomers using catalyst promoters
US7151143B2 (en) * 2000-01-21 2006-12-19 Cyclics Corporation Blends containing macrocyclic polyester oligomer and high molecular weight polymer
US7767781B2 (en) * 2000-09-01 2010-08-03 Cyclics Corporation Preparation of low-acid polyalkylene terephthalate and preparation of macrocyclic polyester oligomer therefrom
CN1217974C (zh) * 2000-09-01 2005-09-07 赛克利克斯公司 将线型聚酯转化为大环寡聚酯组合物和大环寡聚酯的方法
US7750109B2 (en) 2000-09-01 2010-07-06 Cyclics Corporation Use of a residual oligomer recyclate in the production of macrocyclic polyester oligomer
US6436548B1 (en) 2000-09-12 2002-08-20 Cyclics Corporation Species modification in macrocyclic polyester oligomers, and compositions prepared thereby
US6420048B1 (en) 2001-06-05 2002-07-16 Cyclics Corporation High molecular weight copolyesters from macrocyclic oligoesters and cyclic esters
ATE305931T1 (de) * 2001-06-27 2005-10-15 Cyclics Corp Isolierung, formulierung und informbringen von makrocyclischen oligoestern
US7304123B2 (en) * 2001-06-27 2007-12-04 Cyclics Corporation Processes for shaping macrocyclic oligoesters
US6436549B1 (en) 2001-07-16 2002-08-20 Cyclics Corporation Block copolymers from macrocyclic oligoesters and dihydroxyl-functionalized polymers
US6787632B2 (en) * 2001-10-09 2004-09-07 Cyclics Corporation Organo-titanate catalysts for preparing pure macrocyclic oligoesters
US6831138B2 (en) 2002-01-07 2004-12-14 Cyclics Corporation Polymer-containing organo-metal catalysts
US6962968B2 (en) * 2002-12-20 2005-11-08 Cyclics Corporation Purification of macrocyclic oligoesters
DE602004025971D1 (de) * 2003-12-19 2010-04-22 Cyclics Corp Verfahren zum dispergieren eines schlagzähigkeitsmodifikators in einem makrocyclischen polyesteroligomer
KR101730194B1 (ko) 2009-06-26 2017-04-25 이데미쓰 고산 가부시키가이샤 폴리카보네이트 공중합체, 그것을 사용한 도포액, 및 전자사진 감광체

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2873291A (en) * 1957-07-05 1959-02-10 Du Pont Process for preparing bis(chloroformates) of 1, 2-diols
US3189640A (en) * 1958-12-23 1965-06-15 Pittsburgh Plate Glass Co Chloroformates
US3312662A (en) * 1962-07-03 1967-04-04 Union Carbide Corp Catalytic process for preparing polycarbonates by self-condensation of bisphenol dichloroformate
US3312661A (en) * 1962-07-03 1967-04-04 Union Carbide Corp Process for preparing polycarbonates by self-condensation of bisphenol dichloroformate
US3255230A (en) * 1962-07-03 1966-06-07 Union Carbide Corp Catalytic synthesis of aryl chloroformates
US3211775A (en) * 1963-01-22 1965-10-12 Du Pont Catalytic process for preparing aromatic chloroformates
US3334128A (en) * 1964-08-21 1967-08-01 Du Pont Process for preparation of bis(chloroformates) from diols
US3527734A (en) * 1965-06-07 1970-09-08 Union Carbide Corp Preparation of cylobutanediol polycarbonates by direct phosgenation
DE2251206C3 (de) * 1972-10-19 1986-01-02 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Chlorkohlensäureestern
JPS5236554B2 (de) * 1973-06-27 1977-09-16
DE2410743C2 (de) * 1974-03-06 1986-10-02 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Bisphenolbischlorkohlensäureestern
DE2410668A1 (de) * 1974-03-06 1975-09-11 Bayer Ag Verfahren zur herstellung von bisphenolbischlorkohlensaeureestern
US4025489A (en) * 1975-01-27 1977-05-24 Mobay Chemical Corporation Utilization of bisphenol-A from the alkaline phase generated in the production of polycarbonates
JPS52150496A (en) * 1976-06-09 1977-12-14 Mitsubishi Gas Chem Co Inc Preparation of polycaronate oligomers
DE3019526A1 (de) * 1980-05-22 1981-11-26 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von chlorameisensaeurearylestern

Also Published As

Publication number Publication date
AU585914B2 (en) 1989-06-29
BR8507097A (pt) 1987-03-31
MX164046B (es) 1992-07-13
EP0203112A1 (de) 1986-12-03
US4638077A (en) 1987-01-20
WO1986003192A1 (en) 1986-06-05
EP0203112B1 (de) 1989-06-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8128 New person/name/address of the agent

Representative=s name: SIEB, R., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 6947

8339 Ceased/non-payment of the annual fee