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:
May. 16, 2023
Filed:
Aug. 16, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Yoon Jae Min, Daejeon, KR;
Jong Hun Song, Daejeon, KR;
Gicheul Kim, Daejeon, KR;
Jae Yul Kim, Daejeon, KR;
Heechang Woo, Daejeon, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/26 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); C08F 120/06 (2006.01); C08F 2/16 (2006.01);
U.S. Cl.
CPC ...
B01J 20/261 (2013.01); B01J 20/267 (2013.01); B01J 20/28004 (2013.01); B01J 20/28047 (2013.01); B01J 20/3021 (2013.01); C08F 2/16 (2013.01); C08F 120/06 (2013.01); B01J 2220/68 (2013.01);
Abstract
The method for preparing a super absorbent polymer according to the present disclosure reduces the generating amount of a fine powder while realizing the same particle size distribution in the process of pulverizing the dried polymer, thereby reducing the load of the fine powder reassembly, drying, pulverizing and classifying steps.