FR2204647B1 - - Google Patents

Info

Publication number
FR2204647B1
FR2204647B1 FR7338199A FR7338199A FR2204647B1 FR 2204647 B1 FR2204647 B1 FR 2204647B1 FR 7338199 A FR7338199 A FR 7338199A FR 7338199 A FR7338199 A FR 7338199A FR 2204647 B1 FR2204647 B1 FR 2204647B1
Authority
FR
France
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
FR7338199A
Other versions
FR2204647A1 (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.)
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
Publication of FR2204647A1 publication Critical patent/FR2204647A1/fr
Application granted granted Critical
Publication of FR2204647B1 publication Critical patent/FR2204647B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20—General preparatory processes
    • C08G64/22—General preparatory processes using carbonyl halides
    • C08G64/24—General preparatory processes using carbonyl halides and phenols
FR7338199A 1972-10-30 1973-10-26 Polycarbonates prodn. with control of alkalinity - during phosgenation of bisphenol A and polycondensation for improved thermal stability and impact strength Granted FR2204647A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30225272A 1972-10-30 1972-10-30

Publications (2)

Publication Number Publication Date
FR2204647A1 FR2204647A1 (en) 1974-05-24
FR2204647B1 true FR2204647B1 (fr) 1980-08-01

Family

ID=23166945

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7338199A Granted FR2204647A1 (en) 1972-10-30 1973-10-26 Polycarbonates prodn. with control of alkalinity - during phosgenation of bisphenol A and polycondensation for improved thermal stability and impact strength

Country Status (5)

Country Link
JP (1) JPS5720961B2 (fr)
DE (1) DE2353938A1 (fr)
FR (1) FR2204647A1 (fr)
IT (1) IT998852B (fr)
NL (1) NL7314789A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2928444A1 (de) * 1979-07-13 1981-03-12 Bayer Ag, 5090 Leverkusen Aufarbeitungsverfahren fuer polycarbonate.
JPH0521860U (ja) * 1991-09-06 1993-03-23 杉山金属株式会社 食器洗浄器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1300266B (de) * 1960-06-10 1969-07-31 Bayer Ag Verfahren zur Herstellung hochmolekularer, linearer Polycarbonate
US3376261A (en) * 1966-03-16 1968-04-02 Eastman Kodak Co Process for preparing polycarbonates
US3674740A (en) * 1969-04-22 1972-07-04 Bayer Ag Process of producing polycarbonate

Also Published As

Publication number Publication date
FR2204647A1 (en) 1974-05-24
NL7314789A (fr) 1974-05-02
JPS4997893A (fr) 1974-09-17
DE2353938A1 (de) 1974-05-02
IT998852B (it) 1976-02-20
JPS5720961B2 (fr) 1982-05-04

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Legal Events

Date Code Title Description
ST Notification of lapse