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. 16, 2013
Filed:
Jun. 03, 2008
Georgios Sarakinos, Munich, DE;
Wilhelmus Hubertus Joseph Boesten, Sittard, NL;
Dennis Heemskerk, Schinveld, NL;
Ben DE Lange, Munstergeleen, NL;
Georgios Sarakinos, Munich, DE;
Wilhelmus Hubertus Joseph Boesten, Sittard, NL;
Dennis Heemskerk, Schinveld, NL;
Ben De Lange, Munstergeleen, NL;
DSM Sinochem Pharmaceuticals Netherlands B.V., Delft, NL;
Abstract
The present invention relates to 5-substituted hydantoins, a process for the preparation of 5-substituted hydantoins and the use of 5-substituted hydantoins in the preparation of enantiomerically enriched α-amino acids. Furthermore, the present invention relates to the preparation of pharmaceutically active products such as perindopril and ramipril using the novel 5-substituted hydantoins.