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. 11, 2007
Filed:
Dec. 02, 2002
Applicants:
Moo-seok Lee, Seoul, KR;
Sung-hak Choi, Kyunggi-do, KR;
Yong-cheol Shin, Seoul, KR;
Inventors:
Assignee:
Kolon Industries, Inc., Kwacheon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02G 3/00 (2006.01); B32B 15/00 (2006.01); B29D 23/00 (2006.01); B28B 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A braid-reinforced hollow fiber membrane which includes a reinforcing material of a tubular braid and a polymer resinous thin film coated on the surface of the reinforcing material. The polymer resinous thin film has a skin layer with micro pores having a diameter in the range from 0.01 to 1 μm and an inner layer of a sponge structure with micro pores having a diameter less than 10 μm. The hollow fiber membrane exhibits excellent mechanical strength, reliable filtration and simultaneously, good water permeability.