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:
Nov. 18, 2009
Kiyohiko Nishi, Saga, JP;
Hiroshi Kaneko, Saga, JP;
Hirofumi Tasaki, Saga, JP;
Masaki Koga, Saga, JP;
Tetsuo Tanegawa, Saga, JP;
Seisaku Furuya, Saga, JP;
Kenji Fujiwara, Saga, JP;
Takeru Sato, Saga, JP;
Kiyohiko Nishi, Saga, JP;
Hiroshi Kaneko, Saga, JP;
Hirofumi Tasaki, Saga, JP;
Masaki Koga, Saga, JP;
Tetsuo Tanegawa, Saga, JP;
Seisaku Furuya, Saga, JP;
Kenji Fujiwara, Saga, JP;
Takeru Sato, Saga, JP;
Ajinomoto Co., Inc., Tokyo, JP;
Abstract
The present invention provides a method of manufacturing a highly pure ammonium succinate solution including the steps of (A) producing calcium succinate trihydrate by crystallization fermentation of a microorganism; (B) converting calcium succinate trihydrate to calcium succinate monohydrate by transition crystallization; (C) separating the calcium succinate monohydrate crystals; (D) substituting the calcium salt in the calcium succinate monohydrate with ammonium salt resulting in an ammonium succinate solution; and (E) removing the solid calcium carbonate from the ammonium succinate solution.