BE725462A - - Google Patents
Info
- Publication number
- BE725462A BE725462A BE725462DA BE725462A BE 725462 A BE725462 A BE 725462A BE 725462D A BE725462D A BE 725462DA BE 725462 A BE725462 A BE 725462A
- Authority
- BE
- Belgium
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1136367A AT279172B (de) | 1967-12-15 | 1967-12-15 | Verfahren zur Herstellung von Polyestern und Copolyestern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE725462A true BE725462A (xx) | 1969-05-16 |
Family
ID=3628293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE725462D BE725462A (xx) | 1967-12-15 | 1968-12-13 |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT279172B (xx) |
| BE (1) | BE725462A (xx) |
| BR (1) | BR6804828D0 (xx) |
| CH (1) | CH509360A (xx) |
| DE (1) | DE1812333A1 (xx) |
| ES (1) | ES361378A1 (xx) |
| FR (1) | FR1597819A (xx) |
| GB (1) | GB1236477A (xx) |
| NL (1) | NL6817640A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2287225A1 (en) | 2009-08-20 | 2011-02-23 | Saudi Basic Industries Corporation | Process for making polyethylene terephthalate |
-
1967
- 1967-12-15 AT AT1136367A patent/AT279172B/de not_active IP Right Cessation
-
1968
- 1968-11-18 CH CH1717468A patent/CH509360A/de not_active IP Right Cessation
- 1968-12-03 DE DE19681812333 patent/DE1812333A1/de active Pending
- 1968-12-09 NL NL6817640A patent/NL6817640A/xx unknown
- 1968-12-10 GB GB5873868A patent/GB1236477A/en not_active Expired
- 1968-12-12 FR FR1597819D patent/FR1597819A/fr not_active Expired
- 1968-12-13 ES ES361378A patent/ES361378A1/es not_active Expired
- 1968-12-13 BE BE725462D patent/BE725462A/xx unknown
- 1968-12-13 BR BR20482868A patent/BR6804828D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6817640A (xx) | 1969-06-17 |
| AT279172B (de) | 1970-02-25 |
| ES361378A1 (es) | 1970-11-01 |
| FR1597819A (xx) | 1970-06-29 |
| CH509360A (de) | 1971-06-30 |
| DE1812333A1 (de) | 1969-07-10 |
| GB1236477A (en) | 1971-06-23 |
| BR6804828D0 (pt) | 1973-04-12 |