Patent · US Expired

Support for photographic material

US5387501A · kind A · utility

36Cited by
5References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 7, 1994
Grant dateFeb 7, 1995
Priority date
Expiry dateApr 7, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31797
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Disclosed is a support for a photographic material which comprises a multilayer film in which a layer of a copolymerized polyester is laminated on at least one surface of a polyester layer, wherein the copolymerized polyester contains an aromatic dicarboxylic acid having a metal sulfonate group as a copolymer component in an amount of 2 to 7 mole % based on all ester bond units and further a polyalkylene glycol as a copolymer component in an amount of 3 to 10% by weight based on the total weight of a polyester which is a reaction product.

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