Liquid antioxidant mixtures
US7824575B2 · kind B2 · utility
0Cited by
5References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 31, 2008 |
| Grant date | Nov 2, 2010 |
| Priority date | — |
| Expiry date | Nov 24, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/134
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides for liquid antioxidant mixtures of octylated/butylated diphenylamine, phenothiazine and octadecyl (3,5-di-tert-butyl-4-hydroxyphenyl)-propionate. The antioxidant mixtures are useful for polyurethane stabilization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.