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. 05, 1991
Filed:
Feb. 05, 1990
Applicant:
Inventor:
Raj G Suryanarayanan, Minneapolis, MN (US);
Assignee:
The Regents of the University of Minnesota, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
378 75 ; 250304 ;
Abstract
A method for quantitatively analyzing solid mixtures of a crystalline ingredient and an excipient component in commercial pharmaceutical tablets by x-ray powder diffractometry using the intact tablet as is, without special sample preparation. The method comprises the steps of:
Suryanarayanan, Raj. (1991). Quantitative analysis of the active table ingredient by power x-ray (U.S. Patent No. 4991191). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4991191
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile