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, 2017
Filed:
Jan. 22, 2016
Jochen Niemeyer, Essen, DE;
Benjamin Willy, Duesseldorf, DE;
Felix Nissen, Nottuln, DE;
Manfred Neumann, Marl, DE;
Guenter Kreilkamp, Marl, DE;
Sabine Schering, Schermbeck, DE;
Jochen Niemeyer, Essen, DE;
Benjamin Willy, Duesseldorf, DE;
Felix Nissen, Nottuln, DE;
Manfred Neumann, Marl, DE;
Guenter Kreilkamp, Marl, DE;
Sabine Schering, Schermbeck, DE;
Evonik Degussa GmbH, Essen, DE;
Abstract
An N-methyl-substituted triacetonamine compound is prepared by reacting at least one triacetonamine compound (I) with formaldehyde under reductive conditions, in the presence of hydrogen and in the presence of a supported catalyst, wherein the supported catalyst contains at least one metal M, wherein the metal M is selected from the group consisting of V, Cr, Mo, Mn, Ni, Pd, Pt, Fe, Ru, Os, Co, Rh, Ir, and Cu.