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:
Jan. 06, 2015
Filed:
Feb. 22, 2012
Min-keun OH, Bucheon-si, KR;
Ki-nam Kim, Suwon-si, KR;
Ki-hyeong Seo, Pyeongtaek-si, KR;
Dae-gil Kwon, Gwangmyeong-si, KR;
Min-Keun Oh, Bucheon-si, KR;
Ki-Nam Kim, Suwon-si, KR;
Ki-Hyeong Seo, Pyeongtaek-si, KR;
Dae-Gil Kwon, Gwangmyeong-si, KR;
Hanseochem Co., Ltd., Pyeongtaek-Si, KR;
Abstract
The present invention relates to I- and II-type crystals of L-α-glyceryl phosphoryl choline, and to a method for preparing same. More particularly, the present invention relates to noble I- and II-type anhydride crystals of L-α-glyceryl phosphoryl choline, which have a higher purity than conventional liquid L-α-glyceryl phosphoryl choline, and one advantage of which is that formulations and dosages of pharmaceuticals are easily modified, and another advantage of which is that the hygroscopicity of the crystals are much lower than that of conventional polymorphic crystals, providing excellent stability during storage. The present invention also relates to a method for preparing the I- and II-type crystals of L-α-glyceryl phosphoryl choline.