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.:

US 6749977 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 15, 2004

Filed:

Jan. 09, 2003
Applicant:
Inventors:

Douglas R. Robello, Webster, NY (US);

David T. Southby, Rochester, NY (US);

Assignee:

Eastman Kodak Company, Rochester, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C 1/42 ; G03C 1/498 ;
U.S. Cl.
CPC ...
G03C 1/42 ; G03C 1/498 ;
Abstract

This invention relates to an imaging element comprising an imaging layer having associated therewith a blocked polymeric compound in which the blocking group, between the developing agent and the polymeric backbone, is heteroaromatic. Such compounds have good reactivity and can by used to block photographically useful compounds such as developing agents until thermally activated under preselected conditions. Compounds according to the present invention are especially useful in color photothermographic imaging elements.


Find Patent Forward Citations

Robello, Douglas. (2004). Imaging element containing a polymeric heteroaromatic blocked developer (U.S. Patent No. 6749977). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6749977

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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