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. 05, 2000
Filed:
Dec. 10, 1999
Applicant:
Inventors:
Mark Thomas Bellino, Longmont, CO (US);
Ronald Harold Levin, Boulder, CO (US);
Weimei Luo, Louisville, CO (US);
Scott Thomas Mosier, Boulder, CO (US);
Assignee:
Lexmark International, Inc., Lexington, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564405 ;
Abstract
A process for the preparation of triarylamines, wherein the process comprises reacting a diarylamine and a haloaromatic compound in a reaction medium comprising a phase-transfer catalyst and an aromatic solvent.