Patent · US Expired

Alkaline fluid photographic processing composition containers

US4303750A · kind A · utility

2Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 16, 1980
Grant dateDec 1, 1981
Priority date
Expiry dateJun 16, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2848
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A rupturable pod for storing an aqueous alkaline photographic processing composition and dispensing the composition when ruptured, comprising an alkali resistant lining in contact with the processing composition and adhered to itself in regions forming a container enclosing the composition, a gas and moisture barrier of aluminum to prevent the passage of gas or moisture into or out of the container, and a resilient mechanical barrier layer positioned between and adhered to the aluminum and the lining.

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