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:
Feb. 15, 2000
Filed:
May. 28, 1999
Applicant:
Inventors:
Jayant S Lodaya, Akron, OH (US);
Raymond A Lohr, Jr, Avon, OH (US);
Donald L Fields, Jr, Copley, OH (US);
Assignee:
Flexsys America L.P., Akron, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
552301 ;
Abstract
A phenylenediamine compound can be converted, with high selectivity, into its corresponding quinonediimine by reacting the phenylenediamine with oxygen and a metal catalyst or a salt thereof.
Quick Actions:
Lodaya, Jayant. (2000). Preparation of quinonediimines from phenylenediamines using oxygen and a (U.S. Patent No. 6025508). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6025508
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile