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:
Sep. 08, 2020
Filed:
Dec. 14, 2016
Bontac Bio-engineering(shenzhen) Co.,ltd, Shenzhen, CN;
Jiangxi Bontac Green-biocatalysis Ecoindustrial Park Co.,ltd, Nanchang, CN;
BONTAC BIO-ENGINEERING (SHENZHEN) CO., LTD, Shenzhen, CN;
JIANGXI BONTAC GREEN-BIOCATALYSIS ECOINDUSTRIAL PARK CO., LTD., Nanchang, CN;
Abstract
The present invention relates to a process for purifying crude NADPH product prepared by biocatalysis. The objective of the present invention is to solve the technical problems of low yield and low purity of the purified product in the existing ion exchange resin method. The present invention comprises sequentially the following steps: pretreatment, loading onto an ion column, elution of cations, pre-elution of impurities etc. The yield of the purification process disclosed in the present invention can be up to 85% or higher and the purified NADPH has a purity of up to 98% or higher.