Patent · US Expired

Preparation and use of dyes

US5208135A · kind A · utility

17Cited by
4References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 1991
Grant dateMay 4, 1993
Priority date
Expiry dateFeb 11, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/145
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Compounds having a utility as photosensitive dyes in photocurable polymer based imaging systems having a nucleus of general formula (I): ##STR1## wherein: n is 1 or 2, PA1 Y is selected from the group consisting of 0 and ##STR2## Z is selected from the group consisting of 0.sup..crclbar. and ##STR3## M.sup..sym. is a cation.

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