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:
Aug. 07, 2001
Filed:
Mar. 30, 1999
Applicant:
Inventors:
Michel Vandevelde, Brussels, BE;
Hélène Margery, Bierges, BE;
Assignee:
Previsan AG, Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 3/1655 ;
U.S. Cl.
CPC ...
A61K 3/1655 ;
Abstract
Process for inhibiting deoxyribonucleotide triphosphate biosynthesis by cells, comprising application onto these cells of at least one of the azo derivatives of the formula (I), in which R,, R,, R,and R,=H, Hal, aliphatic or aromatic hydrocarbon or a nitro group, R,and R,as well as R,and R,being capable of forming a heterocyclic ring with the N adjacent thereto, X,and X,=0 or NR,, where R,=H, Hal, aliphatic or aromatic hydrocarbon, or a nitro group, and the use of these derivatives for the production of medicines to be administered in conditions which require abnormal production of DNA from the cells