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:
Feb. 22, 1983
Filed:
Jun. 08, 1981
Applicant:
Inventor:
Robert A Frenchik, Sommerset, WI (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430338 ; 430523 ; 430617 ; 430559 ; 430620 ; 430618 ; 430619 ;
Abstract
A photothermographic emulsion can be provided with enhanced image density by using an indoaniline leuco dye, aromatic carboxylic acid, and p-alkylphenyl sulfonic acid in reactive association with the emulsion.
Frenchik, Robert. (1983). Image enhancement of photothermographic elements (U.S. Patent No. 4374921). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4374921
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile