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:
Jun. 08, 2021
Filed:
Jun. 21, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Taehee Kim, Daejeon, KR;
Sewoo Yang, Daejeon, KR;
Ji Young Hwang, Daejeon, KR;
Gi Cheul Kim, Daejeon, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/075 (2006.01); B01J 20/26 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); C08J 3/12 (2006.01); C08J 3/24 (2006.01);
U.S. Cl.
CPC ...
C08J 3/075 (2013.01); B01J 20/267 (2013.01); B01J 20/28047 (2013.01); B01J 20/3028 (2013.01); B01J 20/3042 (2013.01); B01J 20/3085 (2013.01); C08J 3/12 (2013.01); C08J 3/245 (2013.01); B01J 2220/68 (2013.01); C08J 2333/14 (2013.01); C08J 2471/02 (2013.01);
Abstract
The present invention relates to a method for preparing a superabsorbent polymer that progresses dry mixing of fine powders and a specific powder type of polymer binder when reassembling fine powders generated during the preparation process of a superabsorbent polymer, and thus obviates the necessity for a moisture drying process after reassembling fine powders, thereby reducing thermal losses, improving productivity, and obtaining a superabsorbent polymer having excellent basic absorption properties, and a superabsorbent polymer prepared by the method.