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US 12,691,415 B2Granted
Hollow fiber membrane and method for producing same
AssigneeKolon Industries, Inc.
InventorsJi Yoon Lee, Young Seok Oh, Ah Reum Lee
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Abstract
The present invention relates to a hollow fiber membrane including, sequentially from the center: a first layer having a high-density sponge structure including pores with a size of 1 nm or less; a second layer including a finger-shaped structure; and a third layer having a low-density sponge structure including pores with a size of 10 to 1,000 μm, and to a method for producing the hollow fiber membrane.
Claims8
A hollow fiber membrane comprising, sequentially from the center:
- a first layer having a high-density sponge structure including pores with a size of 1 nm or less;
- a second layer including a finger-shaped structure;
- and
- a third layer having a low-density sponge structure including pores with a size of 10 to 1,000 μm.
1 more element
Dependencies are inferred from the claim text.