Polymerization inhibitor for vinyl-containing materials
US6447649B1 · kind B1 · utility
10Cited by
9References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 2000 |
| Grant date | Sep 10, 2002 |
| Priority date | — |
| Expiry date | Jul 24, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K15/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to a process of inhibiting the polymerization of vinyl-containing materials through the use of an effective amount of a polymerization inhibitor comprising quinone diimide and a nitroxyl stable free radical under various conditions. This invention also relates to the polymerization inhibitor composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.