FR2120071A1 - Polyesters prepn - by polymerising a hydroxybenzoic acid or its acyloxy deriv in absence of a catalyst - Google Patents
Polyesters prepn - by polymerising a hydroxybenzoic acid or its acyloxy deriv in absence of a catalystInfo
- Publication number
- FR2120071A1 FR2120071A1 FR7147017A FR7147017A FR2120071A1 FR 2120071 A1 FR2120071 A1 FR 2120071A1 FR 7147017 A FR7147017 A FR 7147017A FR 7147017 A FR7147017 A FR 7147017A FR 2120071 A1 FR2120071 A1 FR 2120071A1
- Authority
- FR
- France
- Prior art keywords
- polyesters
- catalyst
- absence
- polymerising
- deriv
- Prior art date
- 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.)
- Withdrawn
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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/66—Polyesters containing oxygen in the form of ether groups
- C08G63/664—Polyesters containing oxygen in the form of ether groups derived from hydroxy carboxylic acids
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12442370A JPS4837358B1 (de) | 1970-12-29 | 1970-12-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2120071A1 true FR2120071A1 (en) | 1972-08-11 |
Family
ID=14885101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7147017A Withdrawn FR2120071A1 (en) | 1970-12-29 | 1971-12-28 | Polyesters prepn - by polymerising a hydroxybenzoic acid or its acyloxy deriv in absence of a catalyst |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS4837358B1 (de) |
DE (1) | DE2164516A1 (de) |
FR (1) | FR2120071A1 (de) |
IT (1) | IT945693B (de) |
NL (1) | NL7117939A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5027350U (de) * | 1973-07-04 | 1975-03-29 | ||
JPS5230947U (de) * | 1975-08-27 | 1977-03-04 | ||
JPS5253341U (de) * | 1975-10-16 | 1977-04-16 |
-
1970
- 1970-12-29 JP JP12442370A patent/JPS4837358B1/ja active Pending
-
1971
- 1971-12-24 DE DE19712164516 patent/DE2164516A1/de active Pending
- 1971-12-28 IT IT5505871A patent/IT945693B/it active
- 1971-12-28 NL NL7117939A patent/NL7117939A/xx unknown
- 1971-12-28 FR FR7147017A patent/FR2120071A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPS4837358B1 (de) | 1973-11-10 |
NL7117939A (de) | 1972-07-03 |
DE2164516A1 (de) | 1972-07-13 |
IT945693B (it) | 1973-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |