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:
Sep. 07, 2021
Filed:
Apr. 14, 2020
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Young-In Yang, Daejeon, KR;
Young Sam Kim, Daejeon, KR;
Bo-Hee Park, Daejeon, KR;
Su-Jin Kim, Daejeon, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/228 (2006.01); C08K 3/36 (2006.01); C08K 3/22 (2006.01); A61L 15/18 (2006.01); A61L 15/20 (2006.01); A61L 15/42 (2006.01); A61L 15/60 (2006.01); A61L 15/24 (2006.01); C08J 3/075 (2006.01); C08K 5/053 (2006.01); C08J 3/24 (2006.01); C08K 5/09 (2006.01); C08K 5/092 (2006.01); C08K 3/10 (2018.01); C08K 3/30 (2006.01); C08K 3/04 (2006.01);
U.S. Cl.
CPC ...
C08K 3/36 (2013.01); A61L 15/18 (2013.01); A61L 15/20 (2013.01); A61L 15/24 (2013.01); A61L 15/425 (2013.01); A61L 15/60 (2013.01); C08J 3/075 (2013.01); C08J 3/24 (2013.01); C08J 9/228 (2013.01); C08K 3/10 (2013.01); C08K 3/22 (2013.01); C08K 3/30 (2013.01); C08K 5/053 (2013.01); C08K 5/09 (2013.01); C08K 5/092 (2013.01); C08J 2205/022 (2013.01); C08J 2333/02 (2013.01); C08K 3/04 (2013.01); C08K 2003/2227 (2013.01); C08K 2003/2241 (2013.01); C08K 2003/3081 (2013.01); C08K 2201/002 (2013.01); C08K 2201/005 (2013.01); C08K 2201/006 (2013.01); C08K 2201/014 (2013.01);
Abstract
An attrition-resistant superabsorbent polymer and a preparation method thereof are disclosed herein. In some embodiments, an attrition resistant superabsorbent polymer includes a superabsorbent polymer having a crosslinked surface, water, particles, a multivalent metal salt, an organic acid and a polyhydric alcohol, wherein the particles having a BET specific surface area of 300 to 1500 m/g and a porosity of 50% or more.