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:
Dec. 17, 2013
Filed:
Apr. 02, 2008
Applicants:
Muriel Albalat, Coudoux, FR;
Géraldine Primazot, Compiègne, FR;
Didier Wilhelm, Issy les Moulineaux, FR;
Jean-claude Vallejos, La Ciotat, FR;
Inventors:
Muriel Albalat, Coudoux, FR;
Géraldine Primazot, Compiègne, FR;
Didier Wilhelm, Issy les Moulineaux, FR;
Jean-Claude Vallejos, La Ciotat, FR;
Assignee:
Clariant Speciality Fine Chemicals (France), Trosly Breuil, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 269/04 (2006.01); C07C 227/00 (2006.01); C07C 229/02 (2006.01); C07C 271/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the preparation of N-protected α-aminoaldehydes by deacetalization of the acetal functional group of corresponding N-protected α-aminoacetals using formic acid.