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.

Date of Patent:
Jan. 31, 2023

Filed:

Nov. 19, 2018
Applicant:

Korea Research Institute of Chemical Technology, Daejeon, KR;

Inventors:

Ji Hoon Park, Daejeon, KR;

Tae Sun Chang, Daejeon, KR;

Young Woo You, Daejeon, KR;

Iljeong Heo, Daejeon, KR;

Jin Hee Lee, Daejeon, KR;

Seul Gi Han, Daejeon, KR;

Kwan Yong Jeong, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 269/04 (2006.01); B01J 23/10 (2006.01); B01J 23/44 (2006.01);
U.S. Cl.
CPC ...
C07C 269/04 (2013.01); B01J 23/10 (2013.01); B01J 23/44 (2013.01);
Abstract

The present invention relates to a method of directly preparing a dicarbamate compound from a diamine compound, and more particularly to a method of directly preparing a dicarbamate compound by reacting a diamine compound with an alcohol compound in the presence of a mixed gas of carbon monoxide (CO) and oxygen (O) using a Pd/MOcatalyst configured such that a palladium (Pd) active metal is supported on a metal oxide or metalloid oxide carrier.


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