FR1597794A - - Google Patents
Info
- Publication number
- FR1597794A FR1597794A FR1597794DA FR1597794A FR 1597794 A FR1597794 A FR 1597794A FR 1597794D A FR1597794D A FR 1597794DA FR 1597794 A FR1597794 A FR 1597794A
- 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
-
- 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
-
- 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
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 |
|---|---|---|---|
| AT1136567A AT279174B (de) | 1967-12-15 | 1967-12-15 | Verfahren zur Herstellung von Polyestern und Copolyestern |
| AT303368A AT290132B (de) | 1968-03-28 | 1968-03-28 | Verfahren zur Herstellung von Polyestern und Copolyestern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1597794A true FR1597794A (fr) | 1970-06-29 |
Family
ID=25599466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1597794D Expired FR1597794A (fr) | 1967-12-15 | 1968-12-11 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE725463A (fr) |
| CH (1) | CH510071A (fr) |
| DE (1) | DE1812377A1 (fr) |
| ES (1) | ES361392A1 (fr) |
| FR (1) | FR1597794A (fr) |
| GB (1) | GB1236478A (fr) |
| NL (1) | NL6817788A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5008230A (en) * | 1989-05-22 | 1991-04-16 | Hoechst Celanese Corporation | Catalyst for preparing high clarity, colorless polyethylene terephthalate |
| US5153164A (en) * | 1989-05-22 | 1992-10-06 | Hoechst Celanese Corporation | Catalyst system for preparing polyethylene terephthalate |
-
1968
- 1968-11-18 CH CH1717568A patent/CH510071A/de not_active IP Right Cessation
- 1968-12-03 DE DE19681812377 patent/DE1812377A1/de active Pending
- 1968-12-10 GB GB5873968A patent/GB1236478A/en not_active Expired
- 1968-12-11 FR FR1597794D patent/FR1597794A/fr not_active Expired
- 1968-12-11 NL NL6817788A patent/NL6817788A/xx unknown
- 1968-12-13 ES ES361392A patent/ES361392A1/es not_active Expired
- 1968-12-13 BE BE725463D patent/BE725463A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1236478A (en) | 1971-06-23 |
| BE725463A (fr) | 1969-05-16 |
| NL6817788A (fr) | 1969-06-17 |
| DE1812377A1 (de) | 1969-07-10 |
| CH510071A (de) | 1971-07-15 |
| ES361392A1 (es) | 1970-11-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |