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:
Nov. 26, 2019
Filed:
Jan. 04, 2018
Applicant:
The Procter & Gamble Company, Cincinnati, OH (US);
Inventors:
Dimitris Ioannis Collias, Mason, OH (US);
Jane Ellen Godlewski, Loveland, OH (US);
Juan Esteban Velasquez, Cincinnati, OH (US);
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/377 (2006.01); C07C 45/66 (2006.01); B01J 27/18 (2006.01); B01J 10/00 (2006.01); C07C 51/04 (2006.01); C07C 59/08 (2006.01); C07C 67/31 (2006.01); C07C 45/72 (2006.01); A61B 90/00 (2016.01); A61B 18/18 (2006.01); A61N 5/06 (2006.01);
U.S. Cl.
CPC ...
C07C 51/377 (2013.01); B01J 10/00 (2013.01); B01J 27/1802 (2013.01); C07C 45/66 (2013.01); C07C 45/72 (2013.01); C07C 51/04 (2013.01); C07C 59/08 (2013.01); C07C 67/31 (2013.01); A61B 18/18 (2013.01); A61B 2090/0814 (2016.02); A61N 2005/0644 (2013.01); B01J 2219/02 (2013.01); B01J 2219/0204 (2013.01); B01J 2219/0245 (2013.01);
Abstract
Methods for making acrylic acid, acrylic acid derivatives, or mixtures thereof by contacting a stream containing hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof with either an active catalyst containing an amorphous and partially-dehydrated phosphate salt or a precursor catalyst containing a crystalline phosphate salt in a reactor with a low corrosion rate are provided.