Process for preparing branched poly(arylene sulfide ketone)
US5003033A · kind A · utility
2Cited by
7References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1990 |
| Grant date | Mar 26, 1991 |
| Priority date | — |
| Expiry date | Apr 6, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G75/024
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for preparing a branched, high molecular weight poly(arylene sulfide ketone) by the addition of a polyhaloaromatic compound to a reaction mixture containing a dihaloaromatic ketone, an organic amide, an alkali metal sulfide, and water, and the product produced therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.