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. 08, 1997
Filed:
Aug. 01, 1996
Applicant:
Inventors:
Anna Maria Canuti, Genoa, IT;
Enzo Coraluppi, Carcare, IT;
Assignee:
Imation Corp., St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
5483664 ; 540579 ;
Abstract
A process for preparation of 2-equivalent 4-arylthio-5-pyrazolone magenta couplers comprises the steps of:
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Canuti, Anna. (1997). Process for preparation of 2-equivalent 4-arylthio-5-pyrazolone magenta (U.S. Patent No. 5646297). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5646297
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile