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. 28, 1985
Filed:
Feb. 24, 1984
Applicant:
Inventors:
Herbert Lepper, Koln-Muhlheim, DE;
Hartwig Schutt, Dusseldorf-Benrath, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Dusseldorf-Holthausen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568863 ; 502325 ;
Abstract
This invention is directed to the preparation of polyhydric alcohols. More specifically, this invention is directed to a continuous process for preparing polyhydric alcohols by the hydrogenation of carbohydrates in the presence of ruthenium-containing catalysts at elevated temperatures and elevated pressure, the improvement wherein the catalyst comprises a catalyst solid bed of ruthenium carrier catalyst in lumps.