Blends of quinone alkide and nitroxyl compounds and polymerization inhibitors
US7045647B2 · kind B2 · utility
21Cited by
42References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 2, 2001 |
| Grant date | May 16, 2006 |
| Priority date | — |
| Expiry date | Aug 3, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/027
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of: A) at least one nitroxyl compound, and B) at least one quinone alkide compound having an electron-withdrawing group at the 7-position. Additionally, a composition is disclosed that comprises: A) at least one nitroxyl compound, and B) at least one quinone alkide compound having an electron-withdrawing group at the 7-position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.