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:
Jul. 14, 2015
Filed:
Sep. 13, 2013
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Hye-Jin Kwon, Daejeon, KR;
Seung-Yup Lee, Daejeon, KR;
Seung-Pyo Jeong, Daejeon, KR;
Phill Lee, Daejeon, KR;
Chong-Kyu Shin, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/00 (2006.01); B01D 39/14 (2006.01); B01D 71/68 (2006.01); B01D 69/02 (2006.01); B01D 69/12 (2006.01); B01D 71/56 (2006.01); B01D 69/10 (2006.01); B01D 61/02 (2006.01);
U.S. Cl.
CPC ...
B01D 71/68 (2013.01); B01D 69/02 (2013.01); B01D 69/10 (2013.01); B01D 69/12 (2013.01); B01D 69/125 (2013.01); B01D 71/56 (2013.01); B01D 61/025 (2013.01); B01D 2325/02 (2013.01);
Abstract
There is provided a reverse osmosis membrane including a porous support; a polysulfone layer formed on the porous support and having pores formed in a surface thereof, pores having a diameter of 40 nm or greater accounting for less than 0.5% of total pores; and an active layer.