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. 06, 1988
Filed:
Jun. 18, 1987
Applicant:
Inventor:
Richard T Boulware, High Point, NC (US);
Assignee:
Vipont Laboratories, Inc., Fort Collins, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
540476 ; 546 41 ; 546 48 ; 546 61 ; 4241951 ;
Abstract
A method of extracting benzo-c-phenanthridine alkaloids from plants of the families Papaveraceae, Fumariaceae, and Berberidaceae, comprising grinding the plant, extracting the ground plant with acidulated methanol or acidulated ethanol, precipitating the extract with an acid salt soluble in the solvent used, redissolving the precipitated salt in water, adding sufficient acid to form a precipitate, and collecting the precipitate so formed.