BE676977A - - Google Patents
Info
- Publication number
- BE676977A BE676977A BE676977DA BE676977A BE 676977 A BE676977 A BE 676977A BE 676977D A BE676977D A BE 676977DA BE 676977 A BE676977 A BE 676977A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C68/00—Preparation of esters of carbonic or haloformic acids
- C07C68/08—Purification; Separation; Stabilisation
-
- 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
- C08G64/307—General preparatory processes using carbonates and phenols
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyesters Or Polycarbonates (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF45355A DE1275541B (de) | 1965-02-25 | 1965-02-25 | Verfahren zur Reinigung von Diarylcarbonaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE676977A true BE676977A (US06265458-20010724-C00056.png) | 1966-08-24 |
Family
ID=7100455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE676977D BE676977A (US06265458-20010724-C00056.png) | 1965-02-25 | 1966-02-24 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE676977A (US06265458-20010724-C00056.png) |
| DE (1) | DE1275541B (US06265458-20010724-C00056.png) |
| GB (1) | GB1096936A (US06265458-20010724-C00056.png) |
| NL (1) | NL6602444A (US06265458-20010724-C00056.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0677545A1 (en) * | 1994-04-14 | 1995-10-18 | Daicel Chemical Industries, Ltd. | Process for the preparation of (co)-polycarbonate |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0618868B2 (ja) * | 1988-09-22 | 1994-03-16 | 日本ジーイープラスチックス株式会社 | ポリカーボネートの製造方法 |
| US5239106A (en) * | 1992-08-17 | 1993-08-24 | General Electric Company | Method of recovering and purifying diphenylcarbonate from phenolic solutions thereof |
| EP0592900A3 (en) * | 1992-10-14 | 1995-02-22 | Daicel Chem | Process for the preparation of polycarbonates by polycondensation in the melt. |
| DE69333628T2 (de) * | 1992-10-14 | 2005-02-03 | Daicel Chemical Industries, Ltd., Sakai | Verfahren zur Darstellung von Polycarbonaten durch Polykondensation in der Schmelze |
| US5498319A (en) * | 1993-06-29 | 1996-03-12 | General Electric Company | Process for purifying diaryl carbonates |
| DE4420778A1 (de) | 1994-06-15 | 1995-12-21 | Bayer Ag | Verfahren zur Reinigung von Diphenylcarbonat |
| JPH08198816A (ja) * | 1995-01-23 | 1996-08-06 | Mitsubishi Gas Chem Co Inc | 炭酸ジフェニルの精製方法 |
| US6090737A (en) * | 1998-12-22 | 2000-07-18 | General Electric Company | Removal of lead from organic diaryl carbonate reaction mixtures |
| CN1243715C (zh) * | 2000-08-04 | 2006-03-01 | 宇部兴产株式会社 | 碳酸二芳基酯产物和聚碳酸酯的制备 |
| EP1234845B1 (en) * | 2001-02-26 | 2008-11-12 | Mitsubishi Chemical Corporation | Process for producing diphenyl carbonate and process for producing aromatic polycarbonates |
-
1965
- 1965-02-25 DE DEF45355A patent/DE1275541B/de active Pending
-
1966
- 1966-02-24 NL NL6602444A patent/NL6602444A/xx unknown
- 1966-02-24 GB GB820866A patent/GB1096936A/en not_active Expired
- 1966-02-24 BE BE676977D patent/BE676977A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0677545A1 (en) * | 1994-04-14 | 1995-10-18 | Daicel Chemical Industries, Ltd. | Process for the preparation of (co)-polycarbonate |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6602444A (US06265458-20010724-C00056.png) | 1966-08-26 |
| GB1096936A (en) | 1967-12-29 |
| DE1275541B (de) | 1968-08-22 |
