Photographic film package

Details Photographic film package Photographic film package

Filed on

1990-09-25

Date issued

1993-02-16

Examiner

Gellner, Michael L.

Other Related Categories

G03B 1726

Type

Patent

Status

active

Patent number

051875144

Description

ABSTRACT:
A photographic film package having a film wound on a spool in a housing having an exit/entrance port, orients fixedly with a film cartridge chamber of a camera such that the film will exit the package in the winding direction of the camera and exhibit superior flatness at the exposure station of the camera. The film has light-sensitive layers having total layer thickness of not thicker than 30 .mu.m on one side of a transparent support and a back layer containing a hydrophilic polymer having a layer thickness of from 15% to 90% of the total layer thickness of the light-sensitive layers on the other side of the support.

REFERENCES:
patent: 4221479 (1980-09-01), Harvey
patent: 4834306 (1989-05-01), Robertson et al.
patent: 4841319 (1989-06-01), Hansen
patent: 4848693 (1989-07-01), Robertson
patent: 4866469 (1989-09-01), Shiba et al.
patent: 5009372 (1991-04-01), Loewe
European Search Report, dated Dec. 13, 1990, by Examiner S. Magrizos, No. EP 90118348.

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