4,4-Disubstituted diphenylamines in dye compositions for keratinic fibers
US4054147A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 21, 1975 |
| Grant date | Oct 18, 1977 |
| Priority date | — |
| Expiry date | Feb 21, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Diphenylamine of the formula ##STR1## wherein R.sub.1 and R.sub.4 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl, lower alkoxy, amino, lower alkyl amino, acylamino, lower carbamylalkyl amino, lower hydroxyalkyl amino, lower carbalkoxy amino and ureido; PA1 R.sub.2 and R.sub.3 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl, lower alkoxy, acylamino and ureido; PA1 R.sub.5 represents a member selected from the group consisting of hydrogen, halogen, lower alkyl and lower alkoxy; PA1 R.sub.6 represents a member selected from the group consisting of lower hydroxyalkyl, lower amino alkyl, lower acylamino alkyl, lower mesylamino alkyl, lower carbamylalkyl, lower sulfoalkyl, lower piperidinoalkyl, lower morpholinoalkyl, lower mono alkyl lower amino alkyl and lower dialkyl lower amino alkyl; and PA1 R.sub.7 represents a member selected from the group consisting of lower alkyl, lower hydroxyalkyl, lower aminoalkyl, lower acylamino alkyl, lower mesylamino alkyl, lower carbamyl alkyl, lower sulfoalkyl, lower piperidinoalkyl, lower morpholinoalkyl, lower monoalkyl lower amino a…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.