US Patent Issued to KOLON INDUSTRIES on July 28 for "Hollow fiber membrane and method for producing same" (South Korean Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,415, issued on July 28, was assigned to KOLON INDUSTRIES INC. (Seoul, South Korea).

"Hollow fiber membrane and method for producing same" was invented by Ji Yoon Lee (Seoul, South Korea), Young Seok Oh (Seoul, South Korea) and Ah Reum Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 micr...