Patent · US Expired

Photographic material having a removable antihalo layer

US4262088A · kind A · utility

5Cited by
2References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 20, 1979
Grant dateApr 14, 1981
Priority date
Expiry dateSep 20, 1999

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C1/835
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A photographic material containing a removable antihalo layer comprising an antihalo agent and a mixture of two copolymers of a low alkymethacrylate and acrylic or methacrylic acid.

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