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:
Oct. 25, 1988
Filed:
Apr. 20, 1987
Applicant:
Inventors:
Walter Beltramini, Savona, IT;
Francesco Squarcia, Bologna, IT;
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430505 ; 430614 ;
Abstract
Silver halide light-sensitive emulsions are protected against latent image fading by an effective amount of a 2-unsubstituted N-alkenyl-thiazolium salt compound.
Beltramini, Walter. (1988). Silver halide emulsion containing a 2-unsubstituted n-alkenyl-thiazolium (U.S. Patent No. 4780400). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4780400
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile