Patent · US Expired

Pretreatment of textile materials: alkaline scour or bleach with organo-phosphorus compound

US4912791A · kind A · utility

3Cited by
5References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 7, 1988
Grant dateApr 3, 1990
Priority date
Expiry dateNov 7, 2008

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06L4/12
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Textile materials are pretreated in aqueous media by alkaline scouring and/or bleaching using an assistant comprising a compound of the general formula I ##STR1## where R is C.sub.6 -C.sub.10 -alkyl, X is H, Na, K or NR.sup.1 R.sup.2 R.sup.3 R.sup.4, and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each H, C.sub.1 -C.sub.4 -alkyl or --CH.sub.2 --CH.sub.2 --OH.

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