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:
Sep. 25, 1990
Filed:
Apr. 14, 1988
Applicant:
Inventors:
Bernard A Lea, Harlow, GB;
Ronald W Burrows, Harlow, GB;
Thomas D Hellings, Harlow, GB;
Charles G Barlow, St. Paul, MN (US);
Ivan H Skoog, 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 ...
430204 ; 430230 ; 430302 ; 430584 ; 430944 ; 430945 ; 548219 ;
Abstract
Infra-red sensitizing dyes for silver halide having a mucleus of the general formula: ##STR1## in which: Q represents Cl or Br,
Lea, Bernard. (1990). Infra-red sensitising dyes for silver halide (U.S. Patent No. 4959294). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4959294
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile