Patent · US Expired

Hexaarylbiimidazole polymers

US4009040A · kind A · utility

5Cited by
4References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 21, 1975
Grant dateFeb 22, 1977
Priority date
Expiry dateMay 21, 1995

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/039
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Polymers containing hexaarylbiimidazole groups depolymerize upon being struck by radiation and are useful in producing positive images. Exemplary is poly[1,10-bis-4'-[5"(2-o-chlorophenyl-4"-phenyl)imidazolyl]phenoxydecane].

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