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:
Mar. 06, 2018
Filed:
Aug. 12, 2015
Applicant:
Otsuka Chemical Co., Ltd., Osaka-shi, JP;
Inventors:
Hiroaki Yuasa, Tokushima, JP;
Hiroki Okazaki, Tokushima, JP;
Assignee:
OTSUKA CHEMICAL CO., LTD., Osaka-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/6571 (2006.01);
U.S. Cl.
CPC ...
C07F 9/657163 (2013.01); C07B 2200/13 (2013.01);
Abstract
An object of the present invention is to provide a crystal of a cyclic phosphonic acid sodium salt (2ccPA) with high purity and excellent storage stability and a method for producing the crystal. The present invention provides a crystal of a cyclic phosphonic acid sodium salt (2ccPA) represented by formula (1):
Yuasa, Hiroaki. (2018). Crystal of cyclic phosphonic acid sodium salt and method for manufacturing same (U.S. Patent No. 9908909). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9908909
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile