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. 02, 1998
Filed:
Jan. 21, 1997
Applicant:
Inventors:
Thomas Beisswenger, Radebeul, DE;
Rainer Gewald, Dresden, DE;
Alfred Olbrich, Obertshausen, DE;
Horst Bethge, Rodenbach, DE;
Frank Hubner, Ober-Ramstadt, DE;
Klaus Huthmacher, Gelnhausen, DE;
Herbert Klenk, Hanau, DE;
Roland Moller, Hammersbach, DE;
Stephan Rautenberg, Hanau, DE;
Gerhard Sator, Dieburg, DE;
Assignee:
Asta Medica Aktiengesellschaft, Dresden, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558-5 ; 549 39 ; 562512 ;
Abstract
The invention relates to the production and purification of salts of 6,8-bis(amidiniumthio) octanoic acid, its enantiomers (+)-6,8-bis(amidiniumthio)octanoic acid and (-)-6,8-bis (amidiniumthio)octanoic acid and of the esters of these compounds as well as to their use to produce dihydrolipoic acid and .alpha.-lipoic acid.