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:
Jan. 05, 2021
Filed:
Jun. 28, 2016
Ptt Global Chemical Public Company Limited, Chatuchak Bangkok, TH;
Chulalongkorn University, Bangkok, TH;
Abstract
This invention relates to a process for producing lactic acid or its salts that can be performed easily, reduce complicated steps, and provide high lactic acid yield and high productivity, wherein said process comprising of the following steps: (a) cultivating thermotolerancegenus bacteria to obtain a seed culture; (b) increasing cell number of bacteria by inoculating the seed culture contained from step (a) into a fermenter containing an initial carbon source under an aerobic condition; (c) fermenting the seed culture obtained from step (b) in the fermenter under a microaerobic condition to obtain lactic acid or its salts; wherein the step (b) comprising at least one addition of the carbon source under any one of the following conditions, where are independent to each other, to increase a concentration of the carbon source: when the concentration of the carbon source in the fermenter reduces to 50 % or less comparing to the initial concentration.