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:
Apr. 19, 1977
Filed:
Feb. 19, 1975
Applicant:
Inventors:
Peter Werner Feit, Gentofte, DK;
Ole Bent Nielsen, Vanlose, DK;
Assignees:
Leo Pharmaceutical Products Ltd., Ballerup, DK;
A/S Lovens Kemiske Fabrik Produktionsaktieselskab, Ballerup, DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ; 2602 / ; 2602 / ; 2602 / ; 2602 / ; 2603 / ; 2603 / ; 2603 / ; 2603 / ; 2603325 ; 2603472 ; 2603473 ; 2603478 ; 2605 / ; 2605 / ; 2605 / ; 424232 ; 424270 ; 424275 ; 424285 ;
Abstract
Compounds of the general formulae ##STR1## in which R.sub.1 represents a straight or branched, optionally substituted alkyl, alkenyl or alkynyl radical; R.sub.2 stands for an optionally substituted phenyl radical; Y stands for oxygen, sulphur or a methylene radical; X stands for O or H.sub.2 ; their salts and esters and methods for their preparation. The compounds of the invention possess an outstanding diuretic and saluretic activity with a very low excretion of potassium ions and a low toxicity.