Patent · US Expired

Levelling agents for disperse dyeing of polyester: ethoxylate or propoxylate of substituted phenol, emulsifier and carrier

US4943299A · kind A · utility

4Cited by

2References

12Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Hans Schulze · Cologne, DE
Klaus Walz
Frank Bartkowiak · Cologne, DE
Karlhans Jakobs · Bensberg, DE

Key dates

Filing date	Sep 22, 1988
Grant date	Jul 24, 1990
Priority date	—
Expiry date	Sep 22, 2008

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S8/922
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Levelling agents containing PA0 I. ethers of the general formula ##STR1## in which R.sub.1 denotes alkyl, alkenyl, cycloalkyl, aryl or aralkyl, PA1 R.sub.2 denotes hydrogen or methyl, PA1 x denotes 1, 2 or 3 and PA1 y denotes 0 to 7, and PA0 II. emulsifiers and, if desired, PA0 III. carriers for the dyeing of polyesters are used for the high-temperature dyeing of polyester fibres and polyester-containing materials.

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