NL6917841A - - Google Patents
Info
- Publication number
- NL6917841A NL6917841A NL6917841A NL6917841A NL6917841A NL 6917841 A NL6917841 A NL 6917841A NL 6917841 A NL6917841 A NL 6917841A NL 6917841 A NL6917841 A NL 6917841A NL 6917841 A NL6917841 A NL 6917841A
- Authority
- NL
- Netherlands
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
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 |
|---|---|---|---|
| GB57271/68A GB1242690A (en) | 1968-12-03 | 1968-12-03 | Production of aromatic polyesters of improved colour |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6917841A true NL6917841A (xx) | 1970-06-05 |
Family
ID=10478799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6917841A NL6917841A (xx) | 1968-12-03 | 1969-11-27 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3652503A (xx) |
| DE (1) | DE1960732A1 (xx) |
| FR (1) | FR2027569A1 (xx) |
| GB (1) | GB1242690A (xx) |
| NL (1) | NL6917841A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3844976A (en) * | 1969-06-16 | 1974-10-29 | M & T Chemicals Inc | Novel catalyst system |
| US4143057A (en) * | 1977-02-28 | 1979-03-06 | Union Carbide Corporation | Coordination complexes as catalysts |
| USRE30554E (en) * | 1977-02-28 | 1981-03-24 | Union Carbide Corporation | Coordination complexes as catalysts |
| US4376063A (en) * | 1980-02-26 | 1983-03-08 | Minnesota Mining And Manufacturing Company | Antimony halide-organic phosphonate ester cationic polymerization catalysts |
-
1968
- 1968-12-03 GB GB57271/68A patent/GB1242690A/en not_active Expired
-
1969
- 1969-11-17 US US877502A patent/US3652503A/en not_active Expired - Lifetime
- 1969-11-27 NL NL6917841A patent/NL6917841A/xx unknown
- 1969-12-03 FR FR6941687A patent/FR2027569A1/fr not_active Withdrawn
- 1969-12-03 DE DE19691960732 patent/DE1960732A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2027569A1 (xx) | 1970-10-02 |
| GB1242690A (en) | 1971-08-11 |
| US3652503A (en) | 1972-03-28 |
| DE1960732A1 (de) | 1970-08-06 |