Polystyrene process
US4404300A · kind A · utility
7Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 1982 |
| Grant date | Sep 13, 1983 |
| Priority date | — |
| Expiry date | Feb 16, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/45
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process is provided for the production of an improved impact polystyrene by the use of a polybutadiene which contains an optical brightener as the rubber to be dissolved in the styrene monomer, following which the polybutadiene-styrene solution is polymerized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.