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:
May. 15, 2007
Filed:
Jan. 04, 2005
John Surtees, Watermael-Boisfort, BE;
Violeta Marmon, Oxfordshire, GB;
Edmond Differding, Ottignies-Louvain-la-Neuve, BE;
Vincent Zimmermann, Lausanne, CH;
John Surtees, Watermael-Boisfort, BE;
Violeta Marmon, Oxfordshire, GB;
Edmond Differding, Ottignies-Louvain-la-Neuve, BE;
Vincent Zimmermann, Lausanne, CH;
UCB Farchim S.A., Bulle, CH;
Abstract
The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process for preparing α-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the invention concerns novel intermediates and their use in methods for the preparation of S-α-ethyl-2-oxo-1-pyrrolidine acetamide.