Haze-free boronated antioxidant
US4927553A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 6, 1983 |
| Grant date | May 22, 1990 |
| Priority date | — |
| Expiry date | May 6, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2010/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An additive composition of boronated phenolic antioxidant and anti-haze diol capable of complexing with boric acid as well as organic material protected by the additive composition. A hydrolytically stable additive composition comprising a boronated phenolic antioxidant and a diol member capable of reacting with boric acid formed as a hydrolysis product to form a stable ring structure soluble in a substrate. The additive composition prevents or cures a haze caused by hydrolysis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.