Patent · US Expired

Titanyl phthalocyanine Type I processes

US5189155A · kind A · utility

65Cited by
15References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 11, 1991
Grant dateFeb 23, 1993
Priority date
Expiry dateApr 11, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B47/073
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A process for the preparation of titanyl phthalocyanine Type I which comprises the reaction of titanium tetraalkoxide and diminoisoindolene in the presence of a halonaphthalene solvent.

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