BE1007238A3 - Procede pour la preparation de polycarbonates. - Google Patents
Procede pour la preparation de polycarbonates. Download PDFInfo
- Publication number
- BE1007238A3 BE1007238A3 BE9300699A BE9300699A BE1007238A3 BE 1007238 A3 BE1007238 A3 BE 1007238A3 BE 9300699 A BE9300699 A BE 9300699A BE 9300699 A BE9300699 A BE 9300699A BE 1007238 A3 BE1007238 A3 BE 1007238A3
- Authority
- BE
- Belgium
- Prior art keywords
- hydroxyphenyl
- bis
- oligocarbonates
- crystalline
- preparation
- Prior art date
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
- C08G64/30—General preparatory processes using carbonates
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4223016A DE4223016C2 (de) | 1992-07-13 | 1992-07-13 | Verfahren zur Herstellung von Polycarbonaten |
Publications (1)
Publication Number | Publication Date |
---|---|
BE1007238A3 true BE1007238A3 (fr) | 1995-05-02 |
Family
ID=6463098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE9300699A BE1007238A3 (fr) | 1992-07-13 | 1993-07-07 | Procede pour la preparation de polycarbonates. |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE1007238A3 (it) |
DE (1) | DE4223016C2 (it) |
IT (1) | IT1261812B (it) |
NL (1) | NL194948C (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100354801B1 (ko) * | 1995-02-03 | 2003-02-17 | 이데미쓰세끼유가가꾸가부시끼가이샤 | 폴리카보네이트의제조방법 |
WO1997019975A1 (en) * | 1995-11-27 | 1997-06-05 | Idemitsu Petrochemical Co., Ltd. | Processes for the production of polycarbonate |
US6870025B2 (en) | 2001-07-24 | 2005-03-22 | General Electric Company | Method of polycarbonate preparation |
US6548623B2 (en) * | 2001-07-24 | 2003-04-15 | General Electric Company | Method of polycarbonate preparation |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0338085A1 (en) * | 1987-09-28 | 1989-10-25 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for preparing crystallized aromatic polycarbonate and crystallized aromatic polycarbonate obtained by the process |
DE4038768A1 (de) * | 1989-12-13 | 1991-06-20 | Bayer Ag | 2-stufen-verfahren zur herstellung von aromatischen polycarbonaten ohne phosgenverwendung |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4306057A (en) * | 1978-03-27 | 1981-12-15 | General Electric Company | Solvent sweeping of polycarbonates |
-
1992
- 1992-07-13 DE DE4223016A patent/DE4223016C2/de not_active Expired - Fee Related
-
1993
- 1993-06-24 NL NL9301106A patent/NL194948C/nl not_active IP Right Cessation
- 1993-07-07 IT ITRM930445A patent/IT1261812B/it active IP Right Grant
- 1993-07-07 BE BE9300699A patent/BE1007238A3/fr not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0338085A1 (en) * | 1987-09-28 | 1989-10-25 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for preparing crystallized aromatic polycarbonate and crystallized aromatic polycarbonate obtained by the process |
DE4038768A1 (de) * | 1989-12-13 | 1991-06-20 | Bayer Ag | 2-stufen-verfahren zur herstellung von aromatischen polycarbonaten ohne phosgenverwendung |
Also Published As
Publication number | Publication date |
---|---|
DE4223016C2 (de) | 1998-01-22 |
NL9301106A (nl) | 1994-02-01 |
ITRM930445A0 (it) | 1993-07-07 |
NL194948C (nl) | 2003-08-04 |
NL194948B (nl) | 2003-04-01 |
ITRM930445A1 (it) | 1995-01-07 |
DE4223016A1 (de) | 1994-01-20 |
IT1261812B (it) | 1996-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Effective date: 20050731 |