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:
Jun. 08, 2021
Filed:
Aug. 26, 2017
Applicant:
Symrise Ag, Holzminden, DE;
Inventors:
Anna Kulik, Rostock, DE;
Reinhard Eckelt, Rostock, DE;
Angela Köckritz, Berline, DE;
Katja Neubauer, Rostock, DE;
Assignee:
SYMRISE AG, Holxminden, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/29 (2006.01);
U.S. Cl.
CPC ...
C07C 45/29 (2013.01);
Abstract
The invention relates to a method for producing terpene aldehydes and terpene ketones by oxidatively dehydrogenating the corresponding terpene alcohols, comprising or consisting of the following steps: (a) providing terpene alcohols or terpene-alcohol-containing reactants; (b) bringing the starting substances from step (a) in contact with a heterogeneous ruthenium catalyst; (c) heating the mixture from step (b) to at least 150° C. in the presence of oxygen; optionally (d) separating the terpene aldehydes or terpene ketones from the obtained reaction mixture.