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.

Date of Patent:
Dec. 30, 2014

Filed:

May. 09, 2012
Applicants:

Oskar Koch, Göttingen, DE;

Angela Köckritz, Berlin, DE;

Michael Kant, Berlin, DE;

Andreas Martin, Berlin, DE;

Axel Schöning, Holzminden, DE;

Udo Armbruster, Rostok, DE;

Michael Bartoszek, Berlin, DE;

Sigrid Evert, Zossen, DE;

Brigitte Lange, Berlin, DE;

Regina Bienert, Rostok, DE;

Inventors:

Oskar Koch, Göttingen, DE;

Angela Köckritz, Berlin, DE;

Michael Kant, Berlin, DE;

Andreas Martin, Berlin, DE;

Axel Schöning, Holzminden, DE;

Udo Armbruster, Rostok, DE;

Michael Bartoszek, Berlin, DE;

Sigrid Evert, Zossen, DE;

Brigitte Lange, Berlin, DE;

Regina Bienert, Rostok, DE;

Assignee:

Symrise AG, Holzminden, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/17 (2006.01); C07C 29/145 (2006.01); C07C 29/80 (2006.01);
U.S. Cl.
CPC ...
C07C 29/175 (2013.01); C07C 29/145 (2013.01); C07C 29/172 (2013.01); C07C 29/80 (2013.01);
Abstract

A process for the preparation of 1,2-pentanediol by reaction of a starting material comprising one or both compounds from the group consisting of furfuryl alcohol and furfural with hydrogen in the presence of a first heterogeneous catalyst is described.


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