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:
Jan. 03, 2017

Filed:

Aug. 06, 2015
Applicant:

Ajinomoto Co., Inc., Tokyo, JP;

Inventors:

Takehiro Hiura, Kanagawa, JP;

Masataka Yamamoto, Kanagawa, JP;

Yasuhiro Maruta, Kanagawa, JP;

Assignee:

AJINOMOTO CO., INC., Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/90 (2006.01);
U.S. Cl.
CPC ...
C07C 209/90 (2013.01); C07C 209/90 (2013.01); C07C 211/09 (2013.01);
Abstract

Means of preserving 1,5-pentanediamine or a salt thereof without deterioration is provided. 1,5-pentanediamine or a salt thereof is preserved by adjusting any of a water content of 1,5-pentanediamine or a salt thereof purified through a distillation process, a temperature condition, and a material that comes into contact with 1,5-pentanediamine or a salt thereof.


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