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:
Feb. 26, 2013
Filed:
Oct. 14, 2010
Jianguo Bai, Nantong, CN;
Degui Wang, Nantong, CN;
Jian Wang, Nantong, CN;
Other;
Abstract
A method to prepare D-glucosamine hydrochloride, obtaining product from raw material of citric acid residue from citric acid production by means of fermentation, and through processes of hydrolysis, suction filtering, concentration etc. Due to recovery of the citric acid residue, the present invention alleviates the environment pollution caused by the residue; Moreover, the D-glucosamine hydrochloride product produced from the raw material of citric acid residue is vegetarian D-glucosamine hydrochloride, without fishy odor and heavy metal pollution, safe and environment-friendly, with product purity up to 98-102%, and in line with the U.S. Pharmacopeia (USP) 32edition quality standards; Meanwhile, due to sufficient resources of the raw material, there is no limitation of resources for production, and production cost is low; the present invention further saves the cost to treat environment pollution and has a good effect of recycling economy; More importantly, it overcomes people's bias in this technical field, reduces the time of hydrolysis reaction, and enhances product output and production efficiency while ensuring a high product purity.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile