Patent · US Expired

Photosensitive composite and photosensitive lithographic printing plate

US4306011A · kind A · utility

25Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 28, 1980
Grant dateDec 15, 1981
Priority date
Expiry dateMay 28, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G8/28
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A photosensitive composition useful for making a photosensitive lithographic printing plate are made from a condensation product of sulfonyl chloride of o-benzoquinone diazide or o-naphthoquinone diazide and a polyhydric phenol resin obtained by condensing a polyhydric phenol such as 2-methyl resorcinol with an aldehyde or ketone.

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