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:
Apr. 27, 1993
Filed:
Jun. 24, 1992
Applicant:
Inventors:
Walter Raml, Hellmonsodt, AT;
Gunther Eichberger, Weisskirchen, AT;
Assignee:
Hafslund Nycomed Pharma Aktiengesellschaft, Linz, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560196 ;
Abstract
Preparation of succinylcholine halides of formula I: ##STR1## by reacting dialkyl succinates with an excess dimethylaminoethanol in the presence of an alkali metal alcoholate or alkali metal amide catalyst and then reacting the resulting bis(2-dimethylaminoethyl) succinates with methyl halides.