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:
Jul. 14, 1987
Filed:
Sep. 09, 1985
Applicant:
Inventor:
Ole Buchardt, Vaerlose, DK;
Assignee:
pHarma-medica a-s, Herley, DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546139 ; 546152 ; 546270 ;
Abstract
A process for obtaining purified podophyllotoxin from an impure podophyllotoxin containing starting material comprising forming a solution of the starting material, forming a solid complex of podophyllotoxin and an aromatic or heteroaromatic compound other than benzene, and separating the solid complex from the solution.
Buchardt, Ole. (1987). Process for the isolation and purification of podophyllotoxin (U.S. Patent No. 4680399). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4680399
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile