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. 17, 1990
Filed:
Dec. 29, 1988
Applicant:
Inventor:
Walfred S Saari, Lansdale, PA (US);
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ; A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
536 23 ; 514917 ; 562553 ;
Abstract
Halogenated pyrimidine nucleoside derivatives with improved aqueous solubility and methods of enhancing the concentration of drugs in malignant tumors and promoting uniform distribution of the drug throughout the tumor. These basic and hydrophilic ester prodrugs are designed to undergo conversion to the active drug by an intramolecular chemical reaction at practical rates under physiological conditions.