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.

Date of Patent:
Dec. 03, 2019

Filed:

Jun. 28, 2016
Applicant:

Yamasa Corporation, Choshi-shi, Chiba, JP;

Inventors:

Yusuke Ohba, Choshi, JP;

Kentaro Miyoshi, Choshi, JP;

Fumitaka Kano, Choshi, JP;

Assignee:

Yamasa Corporation, Choshi-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/7084 (2006.01); A61J 3/00 (2006.01); C07H 21/02 (2006.01); C30B 29/60 (2006.01); C07H 1/06 (2006.01);
U.S. Cl.
CPC ...
A61K 31/7084 (2013.01); A61J 3/00 (2013.01); C07H 1/06 (2013.01); C07H 21/02 (2013.01); C30B 29/605 (2013.01);
Abstract

[Problem] Provided is a method for easily and stably storing crystals of P,P-bis(5'-uridyl)tetraphosphate for a long term. [Solution] A method for storing packed crystals of P,P-bis(5′-uridyl)tetraphosphate or a pharmaceutically acceptable salt thereof, wherein one of the following storage conditions (1) to (3): (1) a storage temperature of 0° C. or more and less than 25° C.; (2) a storage temperature of 25° C. or more and less than 40° C. and a crystal pH of 4.5 to 8.0; and (3) a storage temperature of 40° C. or more and less than 60° C. and a crystal pH of 5.0 to 6.4 is selected and the crystals of P,P-bis(5′-uridyl)tetraphosphate or the pharmaceutically acceptable salt thereof are stored under the selected condition.


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