[12] Patent
[11] Patent No.:GC0011793  
[45] Date of Publishing the Grant of the Patent: 1/Oct /2022                68/2022  
Number of the Decision to Grant the Patent:2022/191725
Date of the Decision to Grant the Patent:06/Oct/2022

[21] Application No.:GC 2012-22391

[22] Filing Date:29/9/2012

[30] Priority:

[33] State [32] Priority date [31] Priority No.
US
28/9/2011
61/540,361

[72] Inventors:1- Lianbin ZHANG،2- Peng WANG

[73] Owner: KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY, P. O. Box 55455, 21534, Jeddah , Saudi Arabia

[74] Agent: Abu-Gazaleh Intellectual Property L.L.C

  

 

  

[51]IPC:
Int. Cl.: B01D 69/02, 71/70, 71/80; C02F 1/40, 1/44; C08J 9/36; C09C 1/30; C09K 3/32; D06M 11/79, 13/513, 15/643 (2006.01)

[56] Cited Documents:

-CN 1569933 A (INSTITUTE OF CHEMISTRY, CHINESE ACADEMY OF SCIENCES) 26 January 2005
-US 3673272 A (GENERAL ELECTRIC COMPANY) 27 June 1972
-US 2004043508 A1 (FRUTOS, Anthony G. et al.) 4 March 2004
 
Examiner: Faisal Abdulla Aljardan

[54] GRAFTED MEMBRANES AND SUBSTRATES HAVING SURFACES WITH SWITCHABLE SUPEROLEOPLICITY AND SUPEROLEOPHOBICITY AND APPLICATIONS THEREOF
[57] Abstract: Disclosed herein are surface-modified membranes and other surface-modified substrates exhibiting switchable oleophobicity and oleophilicity in aqueous media. These membranes and substrates may be used for variety of applications, including controllable oil/water separation processes, oil spill cleanup, and oil/water purification. Also provided are the making and processing of such surface-modified membranes and other surface-modified substrates.
No. of claims: 47     No. of figures: 9


 

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