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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 10294186 B1

PDFFull Text
Date of Patent:
May. 21, 2019

Filed:

Mar. 15, 2013

Catalysts for the production of acrylic acid or its derivatives

Applicant:

The Procter & Gamble Company, Cincinnati, OH (US);

Inventors:

Juan Esteban Velasquez, Cincinnati, OH (US);

Janette Villalobos Lingoes, Cincinnati, OH (US);

Dimitris Ioannis Collias, Mason, OH (US);

Jane Ellen Godlewski, Loveland, OH (US);

Marc Andrew Mamak, Mason, OH (US);

Assignee:

The Procter & Gamble Company, Cincinnati, OH (US);

Attorneys:

Jason J Camp

James T Fondriest

Primary Examiner:

Melissa S Swain

Int. Cl.
CPC ...
B01J 27/18 (2006.01); C07C 51/48 (2006.01); B01J 27/187 (2006.01); B01J 27/25 (2006.01); C07C 51/377 (2006.01); C07C 51/09 (2006.01); C07C 57/04 (2006.01); A61F 13/534 (2006.01); C08F 2/10 (2006.01); B01J 27/16 (2006.01); B01J 27/185 (2006.01); B01J 27/186 (2006.01); B01J 27/188 (2006.01); B01J 27/195 (2006.01); B01J 27/198 (2006.01); B01J 35/02 (2006.01); B01J 37/00 (2006.01); B01J 37/04 (2006.01); B01J 37/08 (2006.01); C07C 51/44 (2006.01); A61F 13/53 (2006.01);
U.S. Cl.
CPC ...
C07C 51/48 (2013.01); A61F 13/534 (2013.01); B01J 27/16 (2013.01); B01J 27/1806 (2013.01); B01J 27/186 (2013.01); B01J 27/187 (2013.01); B01J 27/188 (2013.01); B01J 27/1811 (2013.01); B01J 27/1817 (2013.01); B01J 27/1853 (2013.01); B01J 27/1856 (2013.01); B01J 27/195 (2013.01); B01J 27/198 (2013.01); B01J 27/25 (2013.01); B01J 35/023 (2013.01); B01J 37/0036 (2013.01); B01J 37/04 (2013.01); B01J 37/08 (2013.01); C07C 51/09 (2013.01); C07C 51/377 (2013.01); C07C 51/44 (2013.01); C07C 57/04 (2013.01); C08F 2/10 (2013.01); A61F 13/53 (2013.01); A61F 2013/530489 (2013.01); A61F 2013/530496 (2013.01);
Abstract

Catalysts for dehydrating hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof to acrylic acid, acrylic acid derivatives, or mixtures thereof with high yield and selectivity, short residence time, and without significant conversion to undesired side products, such as, for example, acetaldehyde, propionic acid, and acetic acid, are provided. The catalysts are mixed protonated monophosphates. Methods of preparing the catalysts are also provided.

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