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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.:

US 5728900 B1

PDFFull Text
Date of Patent:
Mar. 17, 1998

Filed:

Feb. 29, 1996

Process for the selective hydrogenation of butyne-1,4-diol to

Applicant:
Inventors:

Franz Josef Brocker, Ludwigshafen, DE;

Rainer Becker, Bad Durkheim, DE;

Volkmar Menger, Neustadt, DE;

Peter Stops, Altrip, DE;

Assignee:

BASF Aktiengesellschaft, Ludwigshafen, DE;

Attorney:

Shurtleff; John H.

Primary Examiner:

Gary Geist

Assistant Examiner:

Sreeni Padmanabhan

Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568857 ; 568861 ; 502314 ;
Abstract

Catalyst and process for the preparation of butene-2-diol-1,4 by the hydrogenation of butyne-2-diol-1,4 in aqueous solution over a palladium-containing fixed-bed catalyst, which is doped with lead or cadmium, in which a catalyst is used which has been made by applying Pd and Pb or Pd and Cd successively, by vapor deposition or sputtering, to a metal gauze or a metal foil acting as support material followed by forming the catalyst at an elevated temperature in air.

Find Patent Forward Citations

Brocker, Franz. (1998). Process for the selective hydrogenation of butyne-1,4-diol to (U.S. Patent No. 5728900). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5728900

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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