Patent · US Expired

Process of making diazo-sensitized film products using halogen containing phenols as coating aid

US4014701A · kind A · utility

0Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 22, 1974
Grant dateMar 29, 1977
Priority date
Expiry dateMar 22, 1994

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C1/60
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Process of producing diazo-sensitized film products which comprises pretreating the film surface with a halogen containing phenolic substance, coating with a plastics anchor layer and then coating with another plastics layer which includes or is impregnated with a light-sensitive diazonium compound.

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