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:
Aug. 04, 2020
Filed:
May. 08, 2019
Pawan Kumar Goel, Haryana, IN;
Kiran Tewari, Haryana, IN;
Ashok Sharma, Haryana, IN;
Other;
Abstract
Present invention discloses a novel, commercially viable process for extraction of Alpha yohimbine from the bark, stem and leaves ofspecies. The extract is obtained by a precipitation method involving alternate steps of acidification and alkalization along with use of specific organic solvents. The extract gives higher yield of 7-8 fold as compared to other processes and without use of any column chromatography at all. Yield of alpha yohimbine from roots and leaves ofby process of present invention was 0.017% and 0.4% respectively, indicating that leaves are a much better source. The HPLC analysis of the compound obtained indicated a purity of >90%.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile