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:
Feb. 21, 1989
Filed:
Feb. 11, 1988
Applicant:
Inventors:
Vladimir G Beylin, Ann Arbor, MI (US);
Om P Goel, Ann Arbor, MI (US);
Anthony D Sercel, Ann Arbor, MI (US);
Howard D Showalter, Ann Arbor, MI (US);
Assignee:
Warner-Lambert Company, Morris Plains, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
548370 ;
Abstract
Improved processes for producing substituted benzo(chalcogeno)[4,3,2-cd] indazoles. The processes produce compounds in higher yields and of greater purity by using a novel sequence of acylation chemistry and easily removed protecting groups. The compounds produced have antibacterial, antifungal, antileukemic, and antitumor activity.