Invention Grant
- Patent Title: Crystal of cyclic phosphonic acid sodium salt and method for manufacturing same
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Application No.: US16460332Application Date: 2019-07-02
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Publication No.: US10774100B2Publication Date: 2020-09-15
- Inventor: Hiroaki Yuasa , Hiroki Okazaki
- Applicant: OTSUKA CHEMICAL CO., LTD.
- Applicant Address: JP Osaka-shi JP Tokyo
- Assignee: OTSUKA CHECMIAL CO., LTD.,SANSHO CO., LTD.
- Current Assignee: OTSUKA CHECMIAL CO., LTD.,SANSHO CO., LTD.
- Current Assignee Address: JP Osaka-shi JP Tokyo
- Agency: Kratz, Quintos & Hanson, LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@4971dc27
- Main IPC: C07F9/6571
- IPC: C07F9/6571 ; A61P19/00 ; A61P29/00 ; A61P35/00 ; C07F9/6574 ; A61K31/665
Abstract:
An object t of the present invention is to proroaide 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):
Public/Granted literature
- US20190330251A1 CRYSTAL OF CYCLIC PHOSPHONIC ACID SODIUM SALT AND METHOD FOR MANUFACTURING SAME Public/Granted day:2019-10-31
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