Birch, Stewart, Kolasch & Birch, LLP
Composite semipermeable membrane
The purpose of the present invention is to provide a composite semipermeable membrane having achieved both strength and water-permeable properties. This composite semipermeable membrane is provided with a substrate, a porous support body disposed on the substrate, and a separation function layer provided on the porous support body. The substrate has a structure provided with a crimped portion and a non-crimped portion. The porous support body is impregnated inside a crimped portion and inside a non-crimped portion of the substrate.
TORAY INDUSTRIES, INC.
B B Y B C C
B01D B01D Y02A B01D C02F C02F
inventional inventional additional inventional additional inventional
Hiroho Hiroyuki Takao Yoshiki Shuji
Hirozawa Yamada Sasaki Okamoto Furuno