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:
Jun. 05, 2001
Filed:
May. 10, 2000
Applicant:
Inventors:
Gyula Lukács, Budapest, HU;
Gyula Simig, Budapest, HU;
Tibor Mezei, Budapest, HU;
Zoltán Budai, Budapest, HU;
Márta Porcs-Makkay, Budapest, HU;
György Krasznai, Budapest, HU;
Kálmán Nagy, Budapest, HU;
Györgyi Donáth Vereczkey, Budapest, HU;
Tibor Szabó, Budapest, HU;
Norbert Németh, Budapest, HU;
János Szulágyi, Budapest, HU;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
A process for preparing (1R,2S,4R)-(−)-2-[(2′-[N,N-dimethylamino}-ethoxy)]-2-[phenyl]-1,7,7-tri-[methyl]-bicyclo [2.2.1]heptane and pharmaceutically acceptable acid addition salts thereof with higher yields and higher grades of purity.