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:
Apr. 19, 1994
Filed:
Jul. 20, 1992
Applicant:
Inventors:
Donald H Klosterboer, San Diego, CA (US);
Jerry M Owens, San Diego, CA (US);
Assignee:
Anacomp, Inc., Poway, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430399 ; 430406 ; 430488 ;
Abstract
A solution containing a water-soluble stilbene sulfonic acid derivative which is used to solubilize oily dye residues in photodeveloper solutions used to develop direct positive silver halide film without generating foam is disclosed.