Patent · US Expired

Dry heat process to dyeing and printing organic material which can be dyed with cationic dyes

US4040779A · kind A · utility

7Cited by
4References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 11, 1975
Grant dateAug 9, 1977
Priority date
Expiry dateJun 11, 1995

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06P5/004
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A dry heat process for dyeing and printing organic material which can be dyed with cationic dyes, which process comprises the use of carbinol bases of cationic dyes or derivatives thereof, together with at least one indicator dye.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.