FR2122522B1 - - Google Patents
Info
- Publication number
- FR2122522B1 FR2122522B1 FR7201748A FR7201748A FR2122522B1 FR 2122522 B1 FR2122522 B1 FR 2122522B1 FR 7201748 A FR7201748 A FR 7201748A FR 7201748 A FR7201748 A FR 7201748A FR 2122522 B1 FR2122522 B1 FR 2122522B1
- 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
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB278971A GB1372851A (en) | 1971-01-20 | 1971-01-20 | Process for the production of polyesters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2122522A1 FR2122522A1 (OSRAM) | 1972-09-01 |
| FR2122522B1 true FR2122522B1 (OSRAM) | 1977-04-01 |
Family
ID=9745936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7201748A Expired FR2122522B1 (OSRAM) | 1971-01-20 | 1972-01-19 |
Country Status (7)
| Country | Link |
|---|---|
| AU (1) | AU460995B2 (OSRAM) |
| CA (1) | CA975896A (OSRAM) |
| DE (1) | DE2202476A1 (OSRAM) |
| FR (1) | FR2122522B1 (OSRAM) |
| GB (1) | GB1372851A (OSRAM) |
| IT (1) | IT946726B (OSRAM) |
| NL (1) | NL7200580A (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6953768B2 (en) | 2002-11-26 | 2005-10-11 | Teck Cominco Metals Ltd. | Multi-component catalyst system for the polycondensation manufacture of polyesters |
-
1971
- 1971-01-20 GB GB278971A patent/GB1372851A/en not_active Expired
-
1972
- 1972-01-13 AU AU37875/72A patent/AU460995B2/en not_active Expired
- 1972-01-14 NL NL7200580A patent/NL7200580A/xx unknown
- 1972-01-19 IT IT1957072A patent/IT946726B/it active
- 1972-01-19 FR FR7201748A patent/FR2122522B1/fr not_active Expired
- 1972-01-19 DE DE19722202476 patent/DE2202476A1/de active Pending
- 1972-01-20 CA CA132,883A patent/CA975896A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA975896A (en) | 1975-10-07 |
| FR2122522A1 (OSRAM) | 1972-09-01 |
| AU3787572A (en) | 1973-07-19 |
| AU460995B2 (en) | 1975-05-15 |
| GB1372851A (en) | 1974-11-06 |
| IT946726B (it) | 1973-05-21 |
| DE2202476A1 (de) | 1972-08-24 |
| NL7200580A (OSRAM) | 1972-07-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |