FR2232561B1 - - Google Patents
Info
- Publication number
- FR2232561B1 FR2232561B1 FR7419685A FR7419685A FR2232561B1 FR 2232561 B1 FR2232561 B1 FR 2232561B1 FR 7419685 A FR7419685 A FR 7419685A FR 7419685 A FR7419685 A FR 7419685A FR 2232561 B1 FR2232561 B1 FR 2232561B1
- 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
Links
Classifications
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- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/80—Solid-state polycondensation
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- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/20—Polyesters having been prepared in the presence of compounds having one reactive group or more than two reactive groups
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36833473A | 1973-06-08 | 1973-06-08 | |
US05/449,012 US3962190A (en) | 1974-03-07 | 1974-03-07 | Chain couplers for polyesterification and novel polyesters |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2232561A1 FR2232561A1 (en) | 1975-01-03 |
FR2232561B1 true FR2232561B1 (en) | 1978-11-17 |
Family
ID=27004145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7419685A Expired FR2232561B1 (en) | 1973-06-08 | 1974-06-07 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5033291A (en) |
DE (1) | DE2427598B2 (en) |
FR (1) | FR2232561B1 (en) |
GB (1) | GB1453220A (en) |
IT (1) | IT1013418B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4184033A (en) * | 1975-05-05 | 1980-01-15 | General Electric Company | Melt polymerization process for increasing the molecular weight of poly(1,4-butylene terephthalate) |
JPS61191386U (en) * | 1985-05-21 | 1986-11-28 | ||
JP2539162B2 (en) * | 1993-09-09 | 1996-10-02 | バラマン工業株式会社 | Overhead traveling crane |
EP0801089A1 (en) * | 1996-04-12 | 1997-10-15 | THE COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH | Preparation of branched polycarbonates |
-
1974
- 1974-06-07 IT IT5145174A patent/IT1013418B/en active
- 1974-06-07 DE DE19742427598 patent/DE2427598B2/en not_active Withdrawn
- 1974-06-07 GB GB2551074A patent/GB1453220A/en not_active Expired
- 1974-06-07 FR FR7419685A patent/FR2232561B1/fr not_active Expired
- 1974-06-07 JP JP6487274A patent/JPS5033291A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2232561A1 (en) | 1975-01-03 |
GB1453220A (en) | 1976-10-20 |
IT1013418B (en) | 1977-03-30 |
DE2427598B2 (en) | 1977-08-18 |
JPS5033291A (en) | 1975-03-31 |
DE2427598A1 (en) | 1974-12-19 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |