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:
Sep. 22, 2026
Filed:
May. 27, 2020
Applicant:
Tongji University, Shanghai, CN;
Inventors:
Assignee:
TONGJI UNIVERSITY, Shanghai, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/02 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 35/30 (2024.01); B01J 35/45 (2024.01); B01J 35/61 (2024.01); B01J 35/64 (2024.01); C07C 29/60 (2006.01);
U.S. Cl.
CPC ...
B01J 23/02 (2013.01); B01J 23/42 (2013.01); B01J 23/44 (2013.01); B01J 23/464 (2013.01); B01J 35/393 (2024.01); B01J 35/45 (2024.01); B01J 35/613 (2024.01); B01J 35/615 (2024.01); B01J 35/617 (2024.01); B01J 35/643 (2024.01); B01J 35/647 (2024.01); B01J 35/651 (2024.01); C07C 29/60 (2013.01); B01J 2235/30 (2024.01);
Abstract
The present application provides a composite catalyst and use thereof in preparing propylene glycol, where the composite catalyst includes: a main catalyst; and an assistant catalyst, forming on the main catalyst; the assistant catalyst is a magnesium hydroxide shell with a cage-like shape forming on the surface of the main catalyst, and the main catalyst is located inside the magnesium hydroxide shell.