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:
May. 13, 2003
Filed:
Feb. 01, 2002
Applicant:
Inventors:
John Henry Hillhouse, Niagara Falls, CA;
William Andrew Rickleton, late of Niagara Falls, CA;
Assignee:
Cytec Technology Corp., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/50 ;
U.S. Cl.
CPC ...
C07F 9/50 ;
Abstract
Mono- and di-arylphosphines are prepared by reacting an aryl compound that has a leaving group attached to a carbon atom of the aromatic ring with phosphine in the presence of a Group VIII metal catalyst.