Patent · US Expired

Process for dyeing polyester-containing materials

US4279614A · kind A · utility

1Cited by

6References

4Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Hans Schulze · Cologne, DE
Klaus Walz
Karlhans Jakobs · Bensberg, DE
Gunther Boehmke · Leverkusen, DE

Key dates

Filing date	Nov 14, 1979
Grant date	Jul 21, 1981
Priority date	—
Expiry date	Nov 14, 1999

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06P1/65156
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Dyeing of structures made of polyesters or cellulose esters with disperse dyestuffs is carried out in the presence of chlorinated alkylbenzenes of the general formula ##STR1## in which n=1-3 and PA1 R=H or alkyl with 1-4 carbon atoms.

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