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:
Mar. 31, 1998
Filed:
May. 25, 1995
Applicant:
Inventors:
Patrick Lee Burk, Freehold, NJ (US);
Joseph Marian Fortunak, Exton, PA (US);
Antonietta Rose Mastrocola, Bala Cynwyd, PA (US);
Mark Mellinger, Telford, PA (US);
Jeffrey Lee Wood, Blue Bell, PA (US);
Assignee:
SmithKline Beecham Corporation, Philadelphia, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546 48 ; 5142332 ; 514253 ; 514283 ; 544125 ; 544361 ;
Abstract
A process for the preparation of water soluble camptothecin analogs, including methods for the preparation of intermediates thereof, and the compounds prepared by said process. Water soluble camptothecin analogs are prepared which may be used for inhibiting the growth of tumor cells sensitive to such analogs.