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:
Jan. 23, 1990
Filed:
Apr. 25, 1988
Applicant:
Inventors:
Edward C Taylor, Princeton, NJ (US);
Philip M Harrington, Plainwell, MI (US);
Assignee:
The Trustees of Princeton University, Princeton, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544279 ; 558406 ; 560 51 ; 560 64 ;
Abstract
Pyrido[2,3-d]pyrimidine compounds are prepared through the reaction of 2,4-diamino-6(1H)-pyrimidone and an activated derivative of a dialdehyde. A typical embodiment utilizes the dinitrile.