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. 19, 2000
Filed:
Dec. 09, 1999
Applicant:
Inventors:
Masashi Sugiya, Tokyo, JP;
Hiroyuki Nohira, Urawa, JP;
Assignee:
Nippon Chemical Industrial Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
568 14 ; 568 17 ;
Abstract
Reacting a lead tetraacetate with an optically active phosphine oxide carboxylic acid represented by the following general formula (1): ##STR1## in order to obtain an optically active vinyl phosphine oxide represented by the following general formula (2): ##STR2##