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.

Date of Patent:
Mar. 24, 1998

Filed:

Feb. 05, 1996
Applicant:
Inventors:

Uday Bandyopadhyay, Calcutta, IN;

Ratna Chatterjee, Calcutta, IN;

Ranajit Kumar Bandyopadhyay, Calcutta, IN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
4241951 ;
Abstract

A new process for isolation of a phenolic glycoside from Neem bark aqueous extract. This phenolic glycoside is highly potent in inhibiting gastric acid secretion and stress-induced gastric ulceration. The aqueous extract is lyophilised and the powder is extracted with petroleum ether. The insoluble residue is extracted with solvents of increasing polarity and the final residue is subjected to HPLC using a reverse phase column to isolate the active compound.


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Bandyopadhyay, Uday. (1998). Process for the isolation of an active principle from azadirachta indica (U.S. Patent No. 5730986). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5730986

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