7-substituted quinone methides as inhibitors for unsaturated monomers
US5670692A · kind A · utility
22Cited by
4References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 27, 1996 |
| Grant date | Sep 23, 1997 |
| Priority date | — |
| Expiry date | Aug 27, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Ethylenically unsaturated monomers are protected from premature polymerization during manufacture and storage by the incorporation therein of an effective stabilizing amount of a 7-substituted quinone methide compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.