Patent · US Expired

Light sensitive co-condensates

US4533620A · kind A · utility

10Cited by
7References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 2, 1983
Grant dateAug 6, 1985
Priority date
Expiry dateAug 2, 2003

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/021
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Light sensitive condensed copolymers or multi-polymers of at least two distinct diazonium salts of the types specified herein. The product is characterized by high light speed, good shelf life and very good resistance to thermal and electrical degradation.

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