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:
Jan. 25, 1994
Filed:
Aug. 12, 1992
Applicant:
Inventors:
Ivano Delprato, Rocchetta Di Cairo Montenotte, IT;
Stefano Mana, Fossano, IT;
Cristina Soncini, Savona, IT;
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
430577 ; 930591 ; 930617 ; 930619 ;
Abstract
The addition of simple merocyanine spectral sensitizing dyes to silver halide photothermographic emulsions improves the stability of the emulsion during storage before heat processing.