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:
Nov. 24, 2020
Filed:
Dec. 22, 2016
Kao Corporation, Tokyo, JP;
Masahiro Noba, Wakayama, JP;
Shingo Koyama, Wakayama, JP;
KAO CORPORATION, Tokyo, JP;
Abstract
The present invention provides a novel method for manufacturing fumaric acid having favorable tone of color. A method for manufacturing fumaric acid, comprising the following steps (1) and (2): (1) a step of culturing a microorganism having fumaric acid-producing ability in a liquid culture medium comprising a carbon source to obtain one or more substances selected from fumaric acid and a fumarate, (2) a step of crystallizing the one or more substances selected from fumaric acid and a fumarate obtained in the step (1) in the presence of one or more surfactants selected from a nonionic surfactant and an amphoteric surfactant.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile