Patent · US Expired

Use of quaternized polymerizates containing units of vinyl imidazol as a color fixing and color transfer inhibiting additive to detergent post-treatment agents and detergents

US6165969A · kind A · utility

4Cited by
8References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 5, 1999
Grant dateDec 26, 2000
Priority date
Expiry dateMay 5, 2019

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06P5/08
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The use of polymers which comprise at least 5 mol % of quaternized 1-vinylimidazole units of the formula ##STR1## where R is C.sub.1 -C.sub.25 -alkyl, C.sub.5 -C.sub.10 -cycloalkyl or benzyl PA1 R.sup.1,R.sup.2,R.sup.3 are identical or different and are H, CH.sub.3 and C.sub.2 H.sub.5, and PA1 X.sup..crclbar. is an anion, as color-fixing and color transfer-inhibiting additive to laundry aftertreatment aids and to detergents.

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