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:
Mar. 21, 2017
Filed:
Nov. 20, 2014
Samsung Electronics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;
Bok Soon Kwon, Seoul, KR;
Sung Soo Han, Hwaseong-si, KR;
No Won Kim, Busan-si, KR;
Bo Ram Jung, Busan-si, KR;
Samsung Electronics Co., Ltd., Gyeonggi-Do, KR;
Dong-Eui University Industry-Academic Cooperation Foundation, Busan, KR;
Abstract
A semi-permeable membrane may include a support layer and an active layer in contact with the support layer. The support layer includes a porous structure including a polymer and at least one metal (or metalloid) oxide in the porous structure. In the support layer, the amount of the metal (or metalloid) oxide present in a portion adjacent to the active layer is higher than the amount of the metal (or metalloid) oxide present in a portion farther from the active layer.