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:
Jul. 27, 1982
Filed:
Jun. 03, 1980
Hans Betzing, Kerpen-Horrem, DE;
Jurgen Biedermann, Pulheim-Stommel, DE;
Carsten Materne, Bonn, DE;
Volker Neuser, Bergheim-Ahe, DE;
A. Nattermann & Cie. GmbH, , DE;
Abstract
2-Oxo-1-pyrrolidinylalkylcarboxylic acid amides of formula I ##STR1## in which R represents a hydrogen atom or hydroxy group, R.sub.1 represents a hydrogen atom or a methyl group and R.sub.2 represents a substituted or unsubstituted pyridyl group or a substituted phenyl group, the substitution being by from 1 to 3 substituents, which may be the same or different selected from halogen atoms, trifluoromethyl, nitro and acetyl groups, straight or branched-chain alkyl groups having 1-4 carbon atoms, alkoxy groups having 1-4 carbon atoms, straight or branched-chain alkylmercapto groups having 1-7 carbon atoms, substituted alkylmercapto groups of the general formula II ##STR2## in which n represents 1 or 2, R.sub.3 is a hydrogen atom or a methyl group and R.sub.4 is a hydroxy group or an amino group of the general formula V ##STR3## in which R.sub.8 represents a hydrogen atom or methyl group and R.sub.9 represents a methyl group or substituted or unsubstituted benzyl group, or R.sub.8 and R.sub.9 together with the nitrogen atom shown in formula V, form a substituted pyrrolidine ring; sulphonyl groups of the general formula III