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:
Nov. 02, 1993
Filed:
May. 22, 1992
Applicant:
Inventors:
Randall H Helland, Maplewood, MN (US);
George V Tiers, St. Paul, MN (US);
Dian E Stevenson, Sawbridgeworth, GB;
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430522 ; 430334 ; 430339 ; 430512 ; 430617 ; 430955 ; 430964 ; 503227 ;
Abstract
A thermal-dye-bleach construction comprising a thermal nucleophile-generating agent in association with a styryl dye having a nucleus of general formula (I): ##STR1## representing the nucleus of a styryl dye in which R=methyl or ethyl group
Helland, Randall. (1993). Thermal dye bleach construction sensitive to ultraviolet radiation (U.S. Patent No. 5258274). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5258274
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile