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:
Jan. 05, 1993
Filed:
Jul. 16, 1991
Applicant:
Inventors:
Charles G Carter, Silver Spring, MD (US);
David R Sterrenburg, Manitowoc, WI (US);
Assignee:
W. R. Grace & Co.-Conn., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
558125 ; 558217 ;
Abstract
An improved process for the production of allylphosphonic acid dialkyl esters in high yield and selectivity by the gradual addition of trialkyl phosphite to react with the appropriate allyl halide in the presence of a divalent nickel catalyst and, optionally, a polymerization inhibiting compound, e.g. hydroquinone.
Carter, Charles. (1993). Preparation of dialkyl allylphosphonic acid diesters (U.S. Patent No. 5177238). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5177238
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile