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:
Jul. 12, 1988
Filed:
Nov. 03, 1986
Applicant:
Inventors:
Steven Swain, Bishops Stortford, GB;
Ronald E Watts, Bishops Stortford, GB;
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430613 ; 430614 ; 430615 ; 430619 ; 430620 ; 430353 ;
Abstract
A photothermographic element comprising a substrate having coated thereon a photothermographic medium comprising a binder having dispersed therein an organic silver salt or complex, a photocatalyst and a reducing agent, characterized in that the photothermographic medium contains as an antifoggant, in the absence of mercury compounds, an effective antifogging amount of a compound of the general formula: ##STR1## characterized in that: X.sup.1 and X.sup.2 independently represent halogen atoms,