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:
Aug. 14, 1990
Filed:
Feb. 01, 1989
Applicant:
Inventors:
Alan G Hulme-Lowe, Bishop's Stortford,, GB;
Andrew C Jackson, Bishop's Stortford,, GB;
Vivien L Bell, St. Paul, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430495 ; 430945 ; 5253294 ; 5253295 ; 5253299 ; 5253327 ; 5253336 ; 528123 ;
Abstract
A polymeric tetra-aryl polymethine dye of the general formula ##STR1## in which: A comprises a conjugated chain of carbon atoms having an equal number of double and single bonds,
Hulme-Lowe, Alan. (1990). Polymeric polymethine dyes and optical data storage media containing same (U.S. Patent No. 4948715). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4948715
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile