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:
May. 03, 2022
Filed:
Sep. 24, 2020
Applicant:
Iowa Corn Promotion Board, Johnston, IA (US);
Inventors:
David James Schreck, Lake City, MN (US);
Mark Nunley, Charleston, WV (US);
Donald Bunning, South Charleston, WV (US);
Brooke Albin, Charleston, WV (US);
Louis A. Kapicak, Cross Lanes, WV (US);
Michael Bradford, Charleston, WV (US);
Assignee:
Iowa Corn Promotion Board, Johnston, IA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/136 (2006.01); C07C 29/74 (2006.01); B01J 23/755 (2006.01); B01J 35/00 (2006.01); B01J 23/30 (2006.01); B01J 8/18 (2006.01); B01J 19/00 (2006.01); C07C 31/20 (2006.01);
U.S. Cl.
CPC ...
C07C 29/136 (2013.01); B01J 8/1854 (2013.01); B01J 19/0066 (2013.01); B01J 23/30 (2013.01); B01J 23/755 (2013.01); B01J 35/006 (2013.01); B01J 35/0093 (2013.01); C07C 29/74 (2013.01); B01J 2219/00033 (2013.01); C07C 31/202 (2013.01);
Abstract
Retro-aldol processes are disclosed that use very low concentrations of retro-aldol catalyst in combination with hydrogenation catalyst of certain activities, sizes and spatial dispersions to obtain the high selectivities to ethylene glycol.