Method for making polyesters, polyamides and polyketones
US5098990A · kind A · utility
1Cited by
1References
31Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 23, 1987 |
| Grant date | Mar 24, 1992 |
| Priority date | — |
| Expiry date | Sep 23, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G69/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A new process for making polyesters, polyamides and polyketones which comprises reacting a dihydric alcohol, a diamine or a diacylaromatic compound with a bis(trichloromethylketone) compound and in the presence of a basic catalyst, as necessary.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.