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:
Oct. 11, 2011
Filed:
Jul. 17, 2009
Applicants:
Masaki Naito, Kawasaki, JP;
Yoshitomo Kimura, Kawasaki, JP;
Hiroya Ueda, Kawasaki, JP;
Minoru Harada, Kawasaki, JP;
Inventors:
Masaki Naito, Kawasaki, JP;
Yoshitomo Kimura, Kawasaki, JP;
Hiroya Ueda, Kawasaki, JP;
Minoru Harada, Kawasaki, JP;
Assignee:
Ajinomoto Co., Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07H 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Crystals of a purine nucleoside compound, particularly crystals of 2',3′-dideoxyinosine, which have excellent storage stability and have a concentration of phosphate attached to the crystal of 25 ppm or more, may be produce by: (1) preparing an aqueous solution containing phosphate ion (PO) and a purine nucleoside compound; and (2) crystallizing the purine nucleoside compound from the aqueous solution.