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. 08, 2014
Filed:
Jul. 11, 2011
Applicants:
Christoffer Paulsson, Eslov, SE;
Katri Nikkila, Espoo, FI;
Hakan Bjornberg, Angelholm, SE;
Inventors:
Assignee:
Perstorp AB, Perstorp, SE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 27/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention refers to a process for hydrogenation of caprolactone and/or its oligomers or polymers to 1,6-hexanediol. The process is performed in liquid phase at a pressure between 100 and 350 bar and is performed in the presence of a catalytically effective amount of at least one catalyst comprising Cu, Mn, Al, Cr, Zn, Ba and/or Zr.