Process for the suspension polymerization of 4-acetoxystyrene and hydrolysis to 4-hydroxystyrene polymers
US4962147A · kind A · utility
18Cited by
5References
28Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 26, 1988 |
| Grant date | Oct 9, 1990 |
| Priority date | — |
| Expiry date | May 26, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/12
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Poly(4-hydroxystyrene) is prepared by aqueous suspension polymerization of 4-acetoxystyrene monomer followed by hydrolysis with ammonium hydroxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.