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:
Oct. 25, 2005
Filed:
Jun. 09, 2005
Applicants:
Oliver Meyer, Dorsheim, DE;
Ingo Heddesheimer, Monzingen, DE;
Inventors:
Oliver Meyer, Dorsheim, DE;
Ingo Heddesheimer, Monzingen, DE;
Assignee:
Boehringer Ingelheim Pharma KG, Ingelheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C211/27 ;
U.S. Cl.
CPC ...
Abstract
Process for preparing vanillylamine or one of the salts thereof by reacting vanillin with hydroxylamine or the salts thereof in the presence of an organic salt, which may optionally be produced in situ, wherein the reaction is carried out in an inorganic or organic acid as diluent, and subsequently hydrogenating the resulting vanillyloxime with hydrogen in the presence of a suitable catalyst and an organic and/or inorganic acid.