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:
Mar. 17, 2026
Filed:
Nov. 10, 2021
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Ui Seok Chung, Daejeon, KR;
Yoon Jae Min, Daejeon, KR;
Seul Ah Lee, Daejeon, KR;
Gicheul Kim, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 20/06 (2006.01); B01J 20/26 (2006.01); B01J 20/30 (2006.01); B01J 20/32 (2006.01);
U.S. Cl.
CPC ...
C08F 20/06 (2013.01); B01J 20/267 (2013.01); B01J 20/3064 (2013.01); B01J 20/3282 (2013.01); B01J 2220/68 (2013.01);
Abstract
The present disclosure relates to a super absorbent polymer and a preparation method of the same. More specifically, it relates to a super absorbent polymer having a reduced extractable content without deterioration in absorption performance, and to a preparation method of the super absorbent polymer capable of producing the above-described super absorbent polymer by performing a polymerization reaction in the presence of a foaming agent and a carboxylic acid-based additive having a specific structure.