Aromatic sulfonic acids, amines and nitrophenols in combination with nitroxyl radical-containing compounds or C-nitrosoanilines as polymerization inhibitors
US7728083B1 · kind B1 · utility
2Cited by
34References
14Claims
0Family size
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Key dates
| Filing date | Jan 27, 2010 |
| Grant date | Jun 1, 2010 |
| Priority date | — |
| Expiry date | Jan 27, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C309/42
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed herein is a method for inhibiting and retarding the premature polymerization and the polymer growth of vinyl aromatic monomers wherein the method comprises adding to said monomers an effective amount of an inhibitor and retarder blend comprising:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.