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:
May. 26, 2020
Filed:
Nov. 06, 2017
Rhodia Operations, Paris, FR;
Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, Gansu Province, CN;
Peng Li, Shanghai, CN;
Armin T. Liebens, Nancy, FR;
Feng Shi, Gansu Province, CN;
Hangkong Yuan, Lanzhou, CN;
RHODIA OPERATIONS, Paris, FR;
LANZHOU INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCE, Lanzhou, Gasnu Province, CN;
Abstract
Provided is a process for the production of an aromatic compound comprising at least two amine functions, comprising reacting an aromatic compound having at least one hydroxyl function and at least one aldehyde function with a second reactant having an amine function, in the presence of a reductant agent and a catalyst comprising at least one metal element in elemental form and/or at least one metal oxide.