GB1374890A – Process for preparing polycarbonate using a guanidine catalyst
– Google Patents
GB1374890A – Process for preparing polycarbonate using a guanidine catalyst
– Google Patents
Process for preparing polycarbonate using a guanidine catalyst
Info
Publication number
GB1374890A
GB1374890A
GB4916472A
GB4916472A
GB1374890A
GB 1374890 A
GB1374890 A
GB 1374890A
GB 4916472 A
GB4916472 A
GB 4916472A
GB 4916472 A
GB4916472 A
GB 4916472A
GB 1374890 A
GB1374890 A
GB 1374890A
Authority
GB
United Kingdom
Prior art keywords
preparing polycarbonate
guanidine catalyst
guanidine
catalyst
polycarbonate
Prior art date
1971-11-01
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
GB4916472A
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.)
1971-11-01
Filing date
1972-10-25
Publication date
1974-11-20
1972-10-25
Application filed by General Electric Co
filed
Critical
General Electric Co
1974-11-20
Publication of GB1374890A
publication
Critical
patent/GB1374890A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
ZRALSGWEFCBTJO-UHFFFAOYSA-N
Guanidine
Chemical compound
NC(N)=N
ZRALSGWEFCBTJO-UHFFFAOYSA-N
0.000
title
2
CHJJGSNFBQVOTG-UHFFFAOYSA-N
N-methyl-guanidine
Natural products
CNC(N)=N
CHJJGSNFBQVOTG-UHFFFAOYSA-N
0.000
title
1
239000003054
catalyst
Substances
0.000
title
1
SWSQBOPZIKWTGO-UHFFFAOYSA-N
dimethylaminoamidine
Natural products
CN(C)C(N)=N
SWSQBOPZIKWTGO-UHFFFAOYSA-N
0.000
title
1
238000004519
manufacturing process
Methods
0.000
title
1
229920000515
polycarbonate
Polymers
0.000
title
1
239000004417
polycarbonate
Substances
0.000
title
1
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
GB4916472A
1971-11-01
1972-10-25
Process for preparing polycarbonate using a guanidine catalyst
Expired
GB1374890A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US19450771A
1971-11-01
1971-11-01
Publications (1)
Publication Number
Publication Date
GB1374890A
true
GB1374890A
(en)
1974-11-20
Family
ID=22717868
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB4916472A
Expired
GB1374890A
(en)
1971-11-01
1972-10-25
Process for preparing polycarbonate using a guanidine catalyst
Country Status (7)
Country
Link
US
(1)
US3763099A
(en)
JP
(1)
JPS5533735B2
(en)
DE
(1)
DE2252667A1
(en)
FR
(1)
FR2158390B1
(en)
GB
(1)
GB1374890A
(en)
IT
(1)
IT970020B
(en)
NL
(1)
NL7214632A
(en)
Families Citing this family (28)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
CA1036744A
(en)
*
1973-03-30
1978-08-15
Heinrich Haupt
Process for preparing halogen-substituted aromatic polycarbonates
DE2410716B2
(en)
*
1974-03-06
1977-02-10
Bayer Ag, 5090 Leverkusen
PROCESS FOR THE PRODUCTION OF AROMATIC POLYCARBONATE USING THE METHOD OF PHASE INTERFACE CONDENSATION
DE2520317A1
(en)
*
1975-05-07
1976-11-18
Bayer Ag
STATISTICAL MIXTURES OF HALOGENATED BISPHENOLS WITH HALOGEN-FREE BISPHENOLS AND A METHOD FOR THEIR PRODUCTION AND THEIR USE FOR THE PRODUCTION OF HIGH MOLECULAR THERMOPLASTIC POLYCARBONATES
DE2556739C2
(en)
*
1975-12-17
1982-10-21
Bayer Ag, 5090 Leverkusen
New halogen-containing polycarbonates, their manufacture and their use
US4156769A
(en)
*
1978-02-02
1979-05-29
The Dow Chemical Company
Process for making polycarbonates using 1,1-dimethyl urea compounds as the catalysts
US4268658A
(en)
*
1979-12-28
1981-05-19
General Electric Company
Process for preparing polycarbonates using iminoethers as catalysts
US4277599A
(en)
*
1979-12-28
1981-07-07
General Electric Company
Process for preparing polycarbonates using pyrrole catalysts
US4277597A
(en)
*
1979-12-28
1981-07-07
General Electric Company
Process for preparing polycarbonates using sterically hindered heterocycloaliphatic secondary amine catalysts
US4291151A
(en)
*
1979-12-28
1981-09-22
General Electric Company
Process for preparing polycarbonate using cyclic di- or triamine catalyst
US4262111A
(en)
*
1979-12-28
1981-04-14
General Electric Company
Process for preparing polycarbonates using amidine catalysts
US4258174A
(en)
*
1979-12-28
1981-03-24
General Electric Company
Process for preparing polycarbonates using isourea catalysts
US4262112A
(en)
*
1979-12-28
1981-04-14
General Electric Company
Process for preparing polycarbonates using cyclic isourea catalysts
US4262113A
(en)
*
1979-12-28
1981-04-14
General Electric Company
Process for preparing polycarbonates using amino guanidine or amino amidine catalysts
US4277598A
(en)
*
1979-12-28
1981-07-07
General Electric Company
Process for preparing polycarbonates using cyclic amidine catalysts
US4286086A
(en)
*
1979-12-28
1981-08-25
General Electric Company
Process for preparing polycarbonate using sterically hindered secondary amine catalysts
US4291150A
(en)
*
1979-12-28
1981-09-22
General Electric Co.
Process for preparing polycarbonate using non-cyclic polyamine catalysts
US4262110A
(en)
*
1979-12-28
1981-04-14
General Electric Company
Process for preparing polycarbonate using cyclic iminoethers as catalysts
US4286084A
(en)
*
1979-12-28
1981-08-25
General Electric Company
Process for preparing polycarbonate using certain nitrogen-containing heterocyclic compounds as catalysts
JPS5732188U
(en)
*
1980-07-29
1982-02-19
JPS59124898A
(en)
*
1982-12-29
1984-07-19
アンコス株式会社
Note
JPS59118582U
(en)
*
1983-01-27
1984-08-10
アンコス株式会社
writing implements
JPS59148385U
(en)
*
1983-03-25
1984-10-03
株式会社パイロット
writing implements
JPS6258682U
(en)
*
1985-10-01
1987-04-11
JPH0452071Y2
(en)
*
1985-11-21
1992-12-08
JPS6287881U
(en)
*
1985-11-21
1987-06-04
JPH0443345Y2
(en)
*
1986-02-24
1992-10-13
US5319066A
(en)
*
1993-05-27
1994-06-07
General Electric Company
Method for making polycarbonates
US5807965A
(en)
*
1997-12-23
1998-09-15
General Electric Company
Interfacial copolyestercarbonate method using catalyst comprising hexaalkylguanidinium salt and tertiary amine
1971
1971-11-01
US
US00194507A
patent/US3763099A/en
not_active
Expired – Lifetime
1972
1972-10-25
GB
GB4916472A
patent/GB1374890A/en
not_active
Expired
1972-10-27
DE
DE2252667A
patent/DE2252667A1/en
active
Pending
1972-10-27
NL
NL7214632A
patent/NL7214632A/xx
not_active
Application Discontinuation
1972-10-27
IT
IT31054/72A
patent/IT970020B/en
active
1972-10-31
FR
FR7238585A
patent/FR2158390B1/fr
not_active
Expired
1972-11-01
JP
JP10983372A
patent/JPS5533735B2/ja
not_active
Expired
Also Published As
Publication number
Publication date
JPS4854193A
(en)
1973-07-30
FR2158390B1
(en)
1978-10-20
DE2252667A1
(en)
1973-05-10
FR2158390A1
(en)
1973-06-15
NL7214632A
(en)
1973-05-03
JPS5533735B2
(en)
1980-09-02
US3763099A
(en)
1973-10-02
IT970020B
(en)
1974-04-10
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Legal Events
Date
Code
Title
Description
1975-04-03
PS
Patent sealed [section 19, patents act 1949]
1982-06-03
PCNP
Patent ceased through non-payment of renewal fee
