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:
Jul. 01, 2025
Filed:
Jul. 25, 2022
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Kyung Seog Youk, Daejeon, KR;
Jong Hun Song, Daejeon, KR;
Hong Min Lee, Daejeon, KR;
Moon Sub Hwang, Daejeon, KR;
Jeong Seok Lee, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B 9/08 (2006.01); B01J 19/24 (2006.01); B08B 9/093 (2006.01);
U.S. Cl.
CPC ...
B08B 9/08 (2013.01); B01J 19/24 (2013.01); B08B 9/0813 (2013.01); B08B 9/093 (2013.01); B08B 2209/08 (2013.01); C11D 2111/20 (2024.01);
Abstract
A reactor cleaning method includes pressurizing a washing solvent container to 5 kg/cm·g to 40 kg/cm·g using pressurized gas; supplying a washing solvent stream from the washing solvent container to one or more of a lower portion or a side portion of the reactor to fill an inside of the reactor; and circulating the washing solvent stream between the washing solvent container and the reactor while maintaining a temperature of the reactor at 115° C. to 200° C.