Patent · US Expired

Fabric softener

US4040966A · kind A · utility

1Cited by
2References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 2, 1976
Grant dateAug 9, 1977
Priority date
Expiry dateJan 2, 1996

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06M13/46
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A fabric softener containing the following essential ingredients: I -- an amine oxide wherein one alkyl group attached to the nitrogen atom contains a long carbon chain and the two other alkyl groups attached to the nitrogen atom are each a methyl, ethyl, isopropyl or 2-hydroxyethyl group, II -- a first quaternary ammonium compound wherein one alkyl group attached to the nitrogen atom contains a long carbon chain, and each of the three other alkyl groups attached to the nitrogen atom is methyl or ethyl, III -- a second quaternary ammonium compound wherein one of the alkyl groups attached to the nitrogen atom is methyl, ethyl or 2-hydroxyethyl, two of the other alkyl groups attached to the nitrogen atom are each methyl or ethyl, and the remaining alkyl group attached to the nitrogen atom is polyoxypropylene, and IV -- a third quaternary ammonium compound wherein two alkyl groups attached to the nitrogen atom are each methyl or ethyl, one of the remaining alkyl groups attached to the nitrogen atom is phenylalkyl and the other remaining alkyl group attached to the nitrogen atom is methyl, ethyl, or phenylalkyl and in which the third quaternary ammonium compound contains at least some …

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