Compositions stabilized with N-hydroxyiminodiacetic and dipropionic acids and esters thereof
US4720517A · kind A · utility
82Cited by
11References
13Claims
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Key dates
| Filing date | Nov 24, 1986 |
| Grant date | Jan 19, 1988 |
| Priority date | — |
| Expiry date | Nov 24, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M2215/26
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
N-hydroxyiminodiacetic and dipropionic acids and esters thereof corresponding to the formula ##STR1## are effective in stabilizing various organic materials against oxidative, thermal and actinic degradation, said derivatives being particularly effective as color improvers and process stabilizers in synthetic polymers containing phenolic antioxidants and/or metal salts of fatty acids and as stabilizers in lubricants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.