Cation exchange fibers

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United States of America Patent

PATENT NO 5109028
SERIAL NO

07312054

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides cation exchange fibers having a high capacity of ion exchange and a high utilization rate of ion exchange radicals. The fibers are produced so as to have 3 m eq/g or more of carboxyl groups introduced by simultaneous crosslinking and hydrolyzing treatments of acrylic fibers, and to have tensile strength 1 g/d or more and a degree of water-swellability less than 100%, while maintaining fiber properties without problems in practical use.

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Patent Owner(s)

Patent OwnerAddress
JAPAN EXLAN COMPANY LIMITED3-1 KANAOKA-HIGASHIMACHI 3-CHOME HIGASHI-KU OKAYAMA-SHI OKAYAMA 7048510 ?7048510

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ohno, Hiroshi Hiroshima, JP 278 2274
Takahashi, Tomomi Okayama, JP 25 303
Tanaka, Koji Okayama, JP 376 3502

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