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:
Oct. 04, 1994
Filed:
Feb. 25, 1993
Applicant:
Inventor:
Hellmuth R Hinz, Kingwood, TX (US);
Assignee:
The Stehlin Foundation for Cancer Research, Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546 48 ; 546 70 ;
Abstract
Methods for purifying camptothecin compounds are described. The camptothecin compounds in purified form are useful in the treatment of cancer.