The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 19, 1982

Filed:

Mar. 19, 1980
Applicant:
Inventor:

Thomas Raphael, Winchester, MA (US);

Assignee:

Polaroid Corporation, Cambridge, MA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430 14 ; 430 10 ; 430 18 ; 430212 ; 430227 ; 430532 ; 430538 ; 430523 ; 430939 ; 427 35 ;
Abstract

A process for heat-stabilizing polymeric supports for diffusion transfer photographic image-receiving elements. Such treatment eliminates distortion effects in these image-receiving elements when they are exposed to high temperatures, such as encountered in ID card lamination devices.


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