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. 17, 2009
Filed:
Dec. 22, 2003
Applicants:
Vittorio Dal Piaz, Impruneta, IT;
Nuria Aguilar Izquierdo, Barcelona, ES;
Maria Antonia Buil Albero, Barcelona, ES;
Marta Carrascal Riera, Barcelona, ES;
Jordi Gracia Ferrer, Barcelona, ES;
Maria Paola Giovannoni, Scandicci, IT;
Claudia Vergelli, Grassina, IT;
Inventors:
Vittorio Dal Piaz, Impruneta, IT;
Nuria Aguilar Izquierdo, Barcelona, ES;
Maria Antonia Buil Albero, Barcelona, ES;
Marta Carrascal Riera, Barcelona, ES;
Jordi Gracia Ferrer, Barcelona, ES;
Maria Paola Giovannoni, Scandicci, IT;
Claudia Vergelli, Grassina, IT;
Assignee:
Laboratorios Almirall S.A., Barcelona, ES;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/501 (2006.01); A61K 31/50 (2006.01); C07D 401/04 (2006.01); C07D 403/04 (2006.01); C07D 405/04 (2006.01); C07D 409/04 (2006.01); C07D 401/14 (2006.01); C07D 403/14 (2006.01); C07D 405/14 (2006.01); C07D 409/14 (2006.01); C07D 237/14 (2006.01); A61P 17/06 (2006.01); C07D 487/04 (2006.01); C07D 401/12 (2006.01); C07D 403/12 (2006.01); C07D 405/12 (2006.01); C07D 409/12 (2006.01); C07D 473/34 (2006.01); A61P 11/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Pyridazin-3(2H)-one derivatives of formula (I) are found to inhibit PDE-4. R, Rand Rare organic radicals, Ris a cyclic group, and Ris an ester or an aryl or heteroaryl group.