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. 22, 2023
Filed:
Jul. 01, 2021
Lg Chem, Ltd., Seoul, KR;
Jong Hun Song, Daejeon, KR;
Jeong Seok Lee, Daejeon, KR;
Hong Min Lee, Daejeon, KR;
Moon Sub Hwang, Daejeon, KR;
Min Ho Sun, Daejeon, KR;
Kyung Seog Youk, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
An apparatus for preparing an oligomer including: a reactor supplied with a monomer stream and a solvent stream to perform an oligomerization reaction; a product discharge line provided on a lower portion of a side surface of the reactor; a washing liquid supply line connected to a first point of the product discharge line; and a washing liquid discharge line extending from a second point of the product discharge line, wherein the product discharge line includes a branch point at which the product discharge line is branched into two or more lines and a junction point at which the respective branched lines are joined, and the product discharge line includes pressure control devices provided in each of the two or more branched lines.