FR2171895A1 - - Google Patents
Info
- Publication number
- FR2171895A1 FR2171895A1 FR7204941A FR7204941A FR2171895A1 FR 2171895 A1 FR2171895 A1 FR 2171895A1 FR 7204941 A FR7204941 A FR 7204941A FR 7204941 A FR7204941 A FR 7204941A FR 2171895 A1 FR2171895 A1 FR 2171895A1
- 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.)
- Granted
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
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
- C08G63/86—Germanium, antimony, or compounds thereof
-
- 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
- C08G63/668—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/672—Dicarboxylic acids and dihydroxy compounds
-
- 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
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/83—Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof
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)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB385372 | 1972-01-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2171895A1 true FR2171895A1 (US08197722-20120612-C00042.png) | 1973-09-28 |
| FR2171895B1 FR2171895B1 (US08197722-20120612-C00042.png) | 1974-12-13 |
Family
ID=9766168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7204941A Expired FR2171895B1 (US08197722-20120612-C00042.png) | 1972-01-27 | 1972-02-15 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2206902A1 (US08197722-20120612-C00042.png) |
| FR (1) | FR2171895B1 (US08197722-20120612-C00042.png) |
| GB (1) | GB1355624A (US08197722-20120612-C00042.png) |
| NL (1) | NL7201910A (US08197722-20120612-C00042.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0102581B1 (en) * | 1982-08-26 | 1988-12-21 | Toray Industries, Inc. | Magnetic recording material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1419694A (fr) * | 1963-09-13 | 1965-12-03 | Kalle Ag | Procédé de fabrication de copolyesters |
-
1972
- 1972-01-27 GB GB1355624D patent/GB1355624A/en not_active Expired
- 1972-02-14 DE DE19722206902 patent/DE2206902A1/de active Pending
- 1972-02-14 NL NL7201910A patent/NL7201910A/xx unknown
- 1972-02-15 FR FR7204941A patent/FR2171895B1/fr not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1419694A (fr) * | 1963-09-13 | 1965-12-03 | Kalle Ag | Procédé de fabrication de copolyesters |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2206902A1 (de) | 1973-08-30 |
| FR2171895B1 (US08197722-20120612-C00042.png) | 1974-12-13 |
| GB1355624A (en) | 1974-06-05 |
| NL7201910A (US08197722-20120612-C00042.png) | 1973-08-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |