US 12,220,684 B2
Eco-friendly sorbent material for removing oil
Myoung Ku Lee, Gangwon-do (KR); Jeong Yong Ryu, Gangwon-do (KR); Kwang Seob Lee, Gangwon-do (KR); Jae Hoon Lee, Gangwon-do (KR); Han Je Cho, Seoul (KR); Hyeok Jun Kwon, Gyeonggi-do (KR); David Guerin, Grenoble (FR); and Philippe Martinez, Grenoble (FR)
Assigned to KANGWON NATIONAL UNIVERSITY University-Industry Cooperation Foundation, Gangwon-do (KR); Daehan Paper Co., Ltd., Chungcheongbuk-do (KR); Taekyung Polymer Co., Ltd., Gyeonggi-do (KR); and CENTRE TECHNIQUE DE L'INDUSTRIE DES PAPIERS, CARTONS ET CELLULOSES, Grenoble (FR)
Appl. No. 17/273,007
Filed by KANGWON NATIONAL UNIVERSITY University-Industry Cooperation Foundation, Gangwon-do (KR); Daehan Paper Co., Ltd., Chungcheongbuk-do (KR); Taekyung Polymer Co., Ltd., Gyeonggi-do (KR); and CENTRE TECHNIQUE DE L'INDUSTRIE DES PAPIERS, CARTONS ET CELLULOSES, Grenoble (FR)
PCT Filed Jul. 26, 2018, PCT No. PCT/KR2018/008483
§ 371(c)(1), (2) Date Mar. 3, 2021,
PCT Pub. No. WO2019/022540, PCT Pub. Date Jan. 31, 2019.
Claims priority of application No. 10-2017-0095862 (KR), filed on Jul. 28, 2017.
Prior Publication US 2021/0322952 A1, Oct. 21, 2021
Int. Cl. B01J 20/24 (2006.01); B01J 2/30 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); B32B 23/04 (2006.01); B32B 37/10 (2006.01); C08B 3/10 (2006.01); C09K 3/32 (2006.01); E02B 15/10 (2006.01)
CPC B01J 20/24 (2013.01) [B01J 2/30 (2013.01); B01J 20/28035 (2013.01); B01J 20/28038 (2013.01); B01J 20/2804 (2013.01); B01J 20/3085 (2013.01); B32B 23/04 (2013.01); B32B 37/10 (2013.01); C08B 3/10 (2013.01); C09K 3/32 (2013.01); B32B 2307/73 (2013.01); E02B 15/101 (2013.01)] 7 Claims
 
1. An eco-friendly oil sorbent comprising a hydrophobized cellulose substrate,
wherein the cellulose substrate has fine wrinkles at intervals of 0.1 to 3 mm to increase a surface area.