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. 26, 1977
Filed:
Sep. 21, 1972
Applicant:
Inventors:
Richard S Fisch, St. Paul, MN (US);
Norman Newman, St. Paul, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
96 6 / ; 96 5 / ; 96 6 / ;
Abstract
Silver is removed from used fix or bleach-fix baths by adding a compound of the general formula: ##STR1## wherein: X is an oxygen atom or imino group, R is an aryl, or a group of the formula
Fisch, Richard. (1977). Fix and bleach-fix bath desilvering (U.S. Patent No. 4038080). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4038080
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile