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:
Aug. 21, 2007
Filed:
Sep. 20, 2006
David Alexander Learmonth, Alfena, PT;
Patricio Manuel Viera Araújo Soares Da Silva, Oporto, PT;
Alexander Beliaev, Mindelo-Vila do Conde, PT;
David Alexander Learmonth, Alfena, PT;
Patricio Manuel Viera Araújo Soares da Silva, Oporto, PT;
Alexander Beliaev, Mindelo-Vila do Conde, PT;
Portela & C.A., S.A., , PT;
Abstract
Compounds of formula I: where R, Rand Rare the same or different and signify hydrogens, halogens, alkyl, alkylaryl, alkyloxy, hydroxy, nitro, amino, alkylcarbonylamino, alkylamino or dialkylamino group; Rsignifies hydrogen, alkyl or alkylaryl group; X is CH, O or S, and n is 1, 2 or 3, with the proviso that if X is CH, n is not 1, and a method for their preparation. The compounds have potentially valuable pharmaceutical properties for the treatment of cardiovascular disorders such as hypertension and chronic heart failure.