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:
Jun. 25, 2019
Filed:
Nov. 17, 2015
Central Glass Company, Limited, Ube-shi, Yamaguchi, JP;
Keita Nakahara, Ube, JP;
Takayoshi Morinaka, Ube, JP;
Yuta Ikeda, Ube, JP;
Natsuya Nishimura, Ube, JP;
Central Glass Company, Limited, Ube-shi, JP;
Abstract
To provide a manufacturing method with which lithium difluorophosphate powder can be recovered from a lithium difluorophosphate solution. A method for manufacturing lithium difluorophosphate powder is used which includes the steps of precipitating solid lithium difluorophosphate by adding a poor solvent to a solution in which lithium difluorophosphate is dissolved in a main solvent, and obtaining lithium difluorophosphate powder by solid-liquid separation of the solid lithium difluorophosphate from the liquid containing the main solvent and the poor solvent, wherein the relational expression between the octanol/water partition coefficient Pof the main solvent and the octanol/water partition coefficient Pof the poor solvent is defined by the following formula (1).≥−4/3×+1.2  (1):