Patent · US Expired

4,4-Disubstituted diphenylamines in dye compositions for keratinic fibers

US4054147A · kind A · utility

13Cited by
3References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 21, 1975
Grant dateOct 18, 1977
Priority date
Expiry dateFeb 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.