2-Phenyl-indole derivatives and process for preparing the same
US4057530A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1975 |
| Grant date | Nov 8, 1977 |
| Priority date | — |
| Expiry date | Jun 2, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3417
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New stabilizers of polymers and co-polymers of vinyl chloride, the said stabilizers being 2-phenyl-indole derivatives corresponding to the formula: ##STR1## wherein R represents a phenyl radical, an amino group, optionally substituted by an acetyl or benzoyl radical, a mercapto group, optionally substituted by a branched-or straight-chain alkyl group containing from 1 to 12 carbon atoms or by a cyclohexyl radical, a carboxyl radical, a radical represented by the formula: EQU R.sub.1 O-- wherein R.sub.1 represents a hydrogen atom, an isopropyl, carboxymethyl, carbethoxymethyl, carbethoxyisopropyl, acetyl, docosanoyl, benzoyl, benzyl, or allyl radical or a branched-or straight-chain alkyl radical containing from 6 to 12 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.