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:
Aug. 26, 2025
Filed:
Dec. 05, 2021
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Sa Eun Park, Daejeon, KR;
Byung Woo Choi, Daejeon, KR;
Sung Kyu Lee, Daejeon, KR;
Sung Kyun Kim, Daejeon, KR;
Tae Woo Kim, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/17 (2006.01); C07C 29/80 (2006.01);
U.S. Cl.
CPC ...
C07C 29/172 (2013.01); C07C 29/80 (2013.01);
Abstract
A method of preparing isopropyl alcohol, where a propylene monomer and water are reacted in a reactor to produce a reaction product including isopropyl alcohol, and the reaction product stream is separated into unreacted propylene monomer and isopropyl alcohol with high purity using an absorption column, a first gas purification column, a second gas purification column, and an inert gas removal column.