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:
Jun. 18, 2002
Filed:
Apr. 30, 2001
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/50 ;
U.S. Cl.
CPC ...
C07F 9/50 ;
Abstract
An efficient process for the production of substituted 10-chloro-phenoxaphosphines or 10 bromo-phenoxaphosphines by reaction of substituted diphenyl ethers with phosphorus trihalogenide in the presence of at least one Lewis acid and subsequent treatment with an amine.