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:
Dec. 11, 2012
Filed:
Mar. 19, 2008
Kenichi Kurihara, Kanagawa, JP;
Nobuto Minowa, Kanagawa, JP;
Nozomu Nakanishi, Kanagawa, JP;
Masaaki Mitomi, Kanagawa, JP;
Kenichi Kurihara, Kanagawa, JP;
Nobuto Minowa, Kanagawa, JP;
Nozomu Nakanishi, Kanagawa, JP;
Masaaki Mitomi, Kanagawa, JP;
Meji Seika Kaisha Ltd., Tokyo, JP;
Abstract
A process for efficiently producing through a small number of steps an N-substituted 2-amino-4-(substituted-oxymethylphosphinyl)-2-butenoic ester which is an intermediate for herbicide L-AMPB. The process comprises reacting a compound represented by the following formula (1): (where Rrepresents Calkyl group) with a compound represented by the following formula (2): (wherein R, R, and Reach represents Calkyl and Rrepresents benzyloxycarbonyl) in the presence of a base.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile