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:
May. 01, 2012
Filed:
Jul. 31, 2008
Applicants:
Helmut Heinrich Buschmann, Barcelona, ES;
Antoni Torrens-jover, Barcelona, ES;
Josep Mas-prio, Barcelona, ES;
Jordi Benet-buchholz, Altafulla, ES;
Lluis Sola-carandell, Tarragona, ES;
Jordi Carles Ceron-bertran, Tarragona, ES;
Inventors:
Helmut Heinrich Buschmann, Barcelona, ES;
Antoni Torrens-Jover, Barcelona, ES;
Josep Mas-Prio, Barcelona, ES;
Jordi Benet-Buchholz, Altafulla, ES;
Lluis Sola-Carandell, Tarragona, ES;
Jordi Carles Ceron-Bertran, Tarragona, ES;
Assignee:
Laboratorios del Dr. Esteve, S.A., Barcelona, ES;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N 37/12 (2006.01); A01N 37/44 (2006.01); A01N 37/30 (2006.01); A61K 31/195 (2006.01); A61K 9/22 (2006.01); A61K 31/205 (2006.01); C07C 62/00 (2006.01); C07C 65/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention concerns salts of Tramadol and Naproxen and their crystalline forms, and compositions thereof, for the treatment of pain, as well as their process for preparation.