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:
Sep. 18, 1979
Filed:
Aug. 05, 1977
Applicant:
Inventors:
John M Winslow, South Saint Paul, MN (US);
Gary E LaBelle, Hugo, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, Saint Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
96 75 ; 96 49 ; 96 9 / ;
Abstract
A heat-developable diazotype sheet containing an acid-stabilized diazonium salt in one layer thereof and an acid-neutralizing component in another layer thereof is shown wherein at least 25% by weight of the acid-neutralizer component comprises imidazole derivatives of a specific formula.