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:
Jul. 01, 2003
Filed:
Jun. 26, 2002
Applicant:
Inventors:
Matthias Dernbach, Dossenheim, DE;
Detlef Kratz, Heidelberg, DE;
Achim Stammer, Freinsheim, DE;
Mathias Haake, Mannheim, DE;
Michael Koch, Speyer, DE;
Gerhard Schulz, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 2/726 ; C07C 2/974 ; C07C 3/118 ; C07C 2/700 ; C07C 2/704 ;
U.S. Cl.
CPC ...
C07C 2/726 ; C07C 2/974 ; C07C 3/118 ; C07C 2/700 ; C07C 2/704 ;
Abstract
A process for greatly improving the color index of polyhydric alcohols, especially trimethylolpropane, by hydrogenation comprises using, in the hydrogenation, an alcohol which has already been purified by distillation. The catalysts used are those conventionally employed in hydrogenations, preferably copper, nickel, palladium or ruthenium catalysts.
Dernbach, Matthias. (2003). Color number improvement in polyhydric alcohols by hydrogenation (U.S. Patent No. 6586642). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6586642
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile