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:
Jun. 22, 1982
Filed:
Mar. 24, 1981
Applicant:
Inventor:
David L Ladd, Overbrook Hills, PA (US);
Assignee:
SmithKline Corporation, Philadelphia, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
424251 ; 544323 ;
Abstract
2,4-Amino, guanidinopyrimidines have diuretic activity. A representative species of these compounds is 2-guanidino-4-amino-6-chloroguanidine which is prepared by the stepwise replacement of first the 2-halo of a 2,4,6-trihalopyrimidine by guanidino and then the 4-halo by ammonia.