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.
Patent No.:
Date of Patent:
Mar. 05, 2002
Filed:
Dec. 01, 2000
Applicant:
Inventors:
Raymond J. Kenney, Woodbury, MN (US);
Paul G. Skoug, Stillwater, MN (US);
Takuzo Ishida, Woodbury, MN (US);
Lawrence B. Wallace, Newport, MN (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C 1/498 ; G03C 1/76 ; G03C 1/825 ;
U.S. Cl.
CPC ...
G03C 1/498 ; G03C 1/76 ; G03C 1/825 ;
Abstract
High contrast thermographic and photothermographic materials comprise a barrier layer to prevent migration of diffusible by-products resulting from high temperature development. The barrier layer comprises a film-forming polymer(s) that reacts with or acts as a physical barrier to diffusible by-products resulting from development including formic acid, hydrazo compounds, azo compounds, diimide compounds, hydrazine, and water.