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. 23, 1993
Filed:
Jul. 30, 1990
Applicant:
Inventors:
Sharon M Simpson, Lake Elmo, MN (US);
John R Boon, Woodbury, MN (US);
Marco Bucci, Genova, IT;
Massino Bertoldi, Cuneo, IT;
Cristina Soncini, Savona, IT;
Kumars Sakizadeh, Woodbury, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430617 ; 430607 ; 430611 ; 430613 ; 430619 ;
Abstract
The addition of 3-substituted-5-alkylthio-1,2,4-triazoles to silver halide photothermographic emulsions improves the post-processing stability of the emulsion.