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. 11, 2006
Filed:
Sep. 17, 2004
Applicants:
Juan Colberg, Norwich, CT (US);
Samuela Zambelli Franz, Cornedo, IT;
Riccardo Motterle, Arcugnano, IT;
Mariano Stivanello, Schio, IT;
Inventors:
Juan Colberg, Norwich, CT (US);
Samuela Zambelli Franz, Cornedo, IT;
Riccardo Motterle, Arcugnano, IT;
Mariano Stivanello, Schio, IT;
Assignee:
Pfizer Inc., New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/4172 (2006.01); A61K 31/405 (2006.01); C07D 209/04 (2006.01); C07D 207/00 (2006.01); C07C 255/29 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to chiral N-acetyl-alpha-amino acid salts of optically active β-amino alkylnitriles, and also to a process for preparing optically active β-amino alkylnitriles by resolving racemic β-amino alkylnitriles using chiral N-acetyl-alpha-amino acids as resolving agent.