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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 5831121 B1

PDFFull Text
Date of Patent:
Nov. 03, 1998

Filed:

Jul. 21, 1997

Process for the production of 3-hydroxy propionic acid or a salt thereof

Applicant:
Inventors:

Thomas Haas, Frankfurt, DE;

Martin Meier, Werl, DE;

Christoph Brossmer, Frankfurt, DE;

Dietrich Arntz, Oberursel, DE;

Andreas Freund, Kleinostheim, DE;

Assignee:

Degussa Aktiengesellschaft, Hanau, DE;

Attorney:

Wenderoth, Lind & Ponack

Primary Examiner:

Gary Geist

Assistant Examiner:

Rosalynd Keys

Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562531 ;
Abstract

3-hydroxy propionic acid is obtained in high yield through the catalytic oxidation of 3-hydroxy propionaldehyde with O.sub.2 or an O.sub.2 -containing gas in the aqueous phase in the presence of a platinum-group catalyst, in particular a Pd or Pt supported catalyst. The catalyst is used in a quantity corresponding to at least 10 percent by weight of the platinum-group metal relative to 3-hydroxy propionaldehyde.

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Haas, Thomas. (1998). Process for the production of 3-hydroxy propionic acid or a salt thereof (U.S. Patent No. 5831121). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5831121

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

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