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:
Sep. 24, 2002
Filed:
May. 04, 2001
Applicant:
Inventors:
Juan Carlos Del Castillo Nieto, Barcelona, ES;
Joan Huguet Clotet, Sant Joan Despi, ES;
Elisabet De Ramon Amat, Barcelona, ES;
Maria Chalaux Freixa, Barcelona, ES;
Marisabel Mourelle Mancini, Barcelona, ES;
Assignee:
Vita Invest, S.A., Sant Joan Despi, ES;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 6/978 ; C07C 6/988 ; A61K 3/1235 ; A61P 2/504 ;
U.S. Cl.
CPC ...
C07C 6/978 ; C07C 6/988 ; A61K 3/1235 ; A61P 2/504 ;
Abstract
New esters derived from substituted phenyl-cyclohexyl compounds, which are derived from Tramadol, process for obtaining them and their use for preparing a drug with analgesic properties. These new compounds of general formula (I) have a higher analgesic activity, a lower toxicity and a longer effective time period than Tramadol.