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:
Sep. 22, 2026

Filed:

Sep. 21, 2023
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Jangkeun Cho, Daejeon, KR;

Jooyoung Cheon, Daejeon, KR;

Daeheung Choi, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 15/46 (2006.01); C07C 5/32 (2006.01);
U.S. Cl.
CPC ...
C07C 15/46 (2013.01); C07C 5/324 (2013.01);
Abstract

A method for manufacturing alpha-methylstyrene includes dehydrogenating cumene in a reactor under a catalyst to manufacture alpha-methylstyrene, wherein one or more of nitrogen (N) and carbon dioxide (CO) are added during the dehydrogenation reaction of cumene, and wherein the catalyst comprises a carrier, and a metal nitride-based catalyst component supported on the carrier.


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