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:
Apr. 16, 1985
Filed:
Jan. 07, 1983
Applicant:
Inventors:
Kanji Tokuyama, Osaka, JP;
Yasuhiro Nishitani, Osaka, JP;
Mamoru Tanaka, Osaka, JP;
Wataru Nagata, Hyogo, JP;
Assignee:
Shionogi & Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
568 14 ;
Abstract
A phosphine sulfide derivative is chlorinated and hydrolyzed with little pollution problem to give the corresponding phosphine oxide derivative.
Tokuyama, Kanji. (1985). Process for preparing phosphine oxides (U.S. Patent No. 4511738). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4511738
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile