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. 01, 1994
Filed:
May. 28, 1991
Applicant:
Inventor:
Thomas W Bell, Stony Book, NY (US);
Assignee:
The Research Foundation of State University of New York, Albany, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
546 27 ; 546 26 ; 546 32 ;
Abstract
A chromophoric molecule capable of forming stable complexes with urea, guanidine or amidine compounds and the acid addition salts thereof which comprises a nucleous of heterocyclic rings.