Patent · US Expired

Zinc and aluminum phthalocyanines

US4540518A · kind A · utility

6Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1982
Grant dateSep 10, 1985
Priority date
Expiry dateSep 30, 2002

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06L4/686
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention discloses fabric conditioning compositions which contain, as bleach photoactivator, an aluminium or zinc phthalocyanine which is substituted by cationic water-solubilizing groups, and also cationic fabric conditioners such as cationic surfactants, softeners, antistatic agents, fluorescent whitening agents and/or microbicides. The invention also provides a method of washing, rinsing and bleaching fabrics utilizing the compositions of the invention, as well as novel aluminium and zinc phthalocyanines which contain quaternary ammonium groups and ternary sulfonium groups as substituents.

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