Patent · US Expired

Stabilization of ketazine dyes

US4795697A · kind A · utility

6Cited by
5References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1986
Grant dateJan 3, 1989
Priority date
Expiry dateDec 29, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/165
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Alkyl ketazine dyes are stabilized by the presence of poly(vinyl chloride) and/or poly(vinylidene chloride) binders in photothermographic emulsions.

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