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:
Nov. 23, 2004

Filed:

Mar. 18, 2002
Applicant:
Inventors:

Shinya Tachibana, Kawasaki, JP;

Yasuo Yonou, Kawasaki, JP;

Naoto Hirano, Kawasaki, JP;

Shigemitsu Abe, Kawasaki, JP;

Assignee:

Ajinomoto Co., Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 9/00 ;
U.S. Cl.
CPC ...
B01D 9/00 ;
Abstract

Herein is disclosed a method for producing mixed crystals of disodium 5′-guanylate and disodium 5′-inosinate which comprises feeding a mixed solution of disodium 5′-guanylate and disodium 5′-inosinate which solution will become supersaturated at the below-mentioned constant temperature, to a solution or slurry of disodium 5′-guanylate and disodium 5′-inosinate charged in a crystallization bath (lower-temperature bath) and kept at a constant temperature, whereby mixed crystals of disodium 5′-guanylate and disodium 5′-inosinate are deposited from the mixed solution of disodium 5′-guanylate and disodium 5′-inosinate, according to which method 5′-GMP2Na which is difficult to handle due to the properties and powder characteristic of its crystals in particular and 5′-IMP2Na, in the form of crystals which are easy to handle, that is, I+G mixed crystals having a given I/G ratio, can be produced under simple process control and with inexpensive facilities, with the I/G ratio being controlled easily.


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