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Crosslinked, hydrophilic, highly swellable hydrogels, production thereof and use thereof 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C08F-222/02
  • C08F-222/38
  • C08F-220/04
  • C08F-220/06
출원번호 US-0245298 (1999-02-05)
발명자 / 주소
  • Funk Rudiger,DEX
  • Herfert Norbert,DEX
  • Wanior Mariola,DEX
  • Brown Patricia D.
  • Engelhardt Fritz
  • Woodrum Guy T.
출원인 / 주소
  • BASF Aktiengesellschaft, DEX
대리인 / 주소
    Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
인용정보 피인용 횟수 : 40  인용 특허 : 5

초록

optionally in the presence of at least one grafting base to form a crosslinked, hydrophilic base polymer, comminuting said base polymer and postcrosslinking the surface of the particles of said base polymer, and are useful as absorbents for water and aqueous fluids.

대표청구항

[ We claim:] [1.]1. A crosslinked, hydrophilic, swellable hydrogel comprising polymerized monomers or a graft polymer, wherein said hydrogel has a Pressure Absorbency Index <100 and a Vertical Absorption of not less than 12 g/g under a pressure of 1922.8 Pa.

이 특허에 인용된 특허 (5)

  1. Katakura Kazunori,JPX ; Tsuboyama Akira,JPX ; Iwasaki Manabu,JPX, Driving method for liquid crystal device.
    상세보기
  2. Yoshinaga Kenji (Yokkaichi JPX) Nakamura Toshiko (Yokkaichi JPX) Itoh Kiichi (Yokkaichi JPX), Process for producing highly water-absortive polymers.
    상세보기
  3. Harada Nobuyuki (Osaka JPX) Okuno Toshihiro (Osaka JPX) Shimomura Tadao (Osaka JPX), Process for producing quality-improved water-absorbent polymers and products.
    상세보기
  4. Harada Nobuyuki,JPX ; Miyake Koji,JPX ; Motono Yoshihiro,JPX ; Tahara Hideyuki,JPX ; Hatsuda Takumi,JPX ; Kanto Teruyuki,JPX ; Yano Akito,JPX ; Dairoku Yorimichi,JPX ; Kimura Kazuki,JPX ; Fujita Yasu, Water-absorbent resin and method for production thereof.
    상세보기
  5. Wada Katsuyuki,JPX ; Nagasuna Kinya,JPX, Water-absorbing agent and production process therefor.
    상세보기

이 특허를 인용한 특허 (40)

  1. Hyde,Patrick D.; Menzies,Robert H., Absorbent polymer compositions, medical articles, and methods.
    상세보기
  2. Ikeuchi, Hiroyuki; Torii, Kazushi; Sakamoto, Shigeru; Iwamura, Taku; Machida, Sayaka, Aqueous-liquid-absorbing agent and its production process.
    상세보기
  3. Kraus, Alexander; Mitkina, Tatiana; Dierschke, Frank; Pulkin, Maxim; Nicoleau, Luc, Cationic copolymers.
    상세보기
  4. Chen, Ron; Goldwasser, Moshe D.; Kellenberger, Stanley R., Combination of two disposable waste containment articles worn simultaneously.
    상세보기
  5. Nakamura, Shin-ichiro; Shimizu, Yasumi; Matsutomi, Tohru, Crosslinking agent based on polyallyl ether compound.
    상세보기
  6. Smith, Scott J.; McIntosh, Stan; Bergman, Jr., David L., High permeability superabsorbent polymer compositions.
    상세보기
  7. Smith, Scott J.; McIntosh, Stan; Bergman, Jr., David L., High permeability superabsorbent polymer compositions.
    상세보기
  8. Smith, Scott J.; McIntosh, Stan; Bergman, Jr., David L., High permeability superabsorbent polymer compositions.
    상세보기
  9. Liao, Chun-Jen; Wang, Wen-Hsi; Yang, Ming-Chia; Liao, Wei-Ju, Method for crosslinking a colloid, and crosslinked colloid therefrom.
    상세보기
  10. Nogi, Kozo; Nakamura, Masatoshi; Shibata, Hirofumi; Honda, Koji; Watanabe, Yusuke; Matsumoto, Satoshi; Nakatsuru, Reiko; Ishizaki, Kunihiko; Kimura, Kazuki; Machida, Sayaka, Method for producing polyacrylic acid (salt)-based water absorbent resin powder.
    상세보기
  11. Kimura, Kazuki; Watanabe, Yusuke; Machida, Sayaka; Fujimoto, Taku; Kadonaga, Kenji, Method for producing polyacrylic acid (salt)-based water absorbing agent, and water absorbing agent.
    상세보기
  12. Kimura, Kazuki; Watanabe, Yusuke; Machida, Sayaka; Fujimoto, Taku; Kadonaga, Kenji, Method for producing polyacrylic acid (salt)-based water absorbing agent, and water absorbing agent.
    상세보기
  13. Takaai, Toshihiro; Fujino, Shinichi; Wada, Hidenori, Method for producing water absorbent resin.
    상세보기
  14. Sakamoto, Shigeru; Irie, Yoshio; Ikeuchi, Hiroyuki; Nagasawa, Makoto; Ishizaki, Kunihiko; Machida, Sayaka, Method for producing water absorbent resin particle.
    상세보기
  15. Riegel, Ulrich; Weismantel, Matthias; Frenz, Volker; Daniel, Thomas; Engelhardt, Fritz, Method for the secondary cross-linking of hydrogels with N-acyl-2-oxazolidinones.
    상세보기
  16. Kobayashi, Taishi; Imura, Motohiro; Iwamura, Taku; Wada, Katsuyuki; Nogi, Kozo; Mitsukami, Yoshiro; Abe, Masato; Ueda, Hiroko; Honda, Koji, Particulate water absorbent and process for production thereof.
    상세보기
  17. Kobayashi, Taishi; Imura, Motohiro; Iwamura, Taku; Wada, Katsuyuki; Nogi, Kozo; Mitsukami, Yoshiro; Abe, Masato; Ueda, Hiroko; Honda, Koji, Particulate water absorbent and process for production thereof.
    상세보기
  18. Adachi,Yoshifumi; Kitano,Takahiro; Fujimaru,Hirotama; Ikeuchi,Hiroyuki; Wada,Katsuyuki, Particulate water absorbent containing water absorbent resin as a main component.
    상세보기
  19. Ishizaki,Kunihiko; Kitano,Takahiro; Adachi,Yoshifumi; Ueda,Hiroko; Wada,Katsuyuki, Particulate water absorbing agent with irregularly pulverized shape.
    상세보기
  20. Wada,Katsuyuki; Ueda,Hiroko; Kimura,Kazuki; Ishizaki,Kunihiko, Particulate water-absorbing agent containing water-absorbent resin as a main component.
    상세보기
  21. Ikeuchi, Yoshitaka; Adachi, Yoshifumi, Poly(meth)acrylic acid (salt)-based particulate absorbent.
    상세보기
  22. Fujimaru, Hirotama; Ishizaki, Kunihiko; Nakahara, Sei, Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin.
    상세보기
  23. Burton, Scott A.; Hyde, Patrick D.; Rao, Prabhakara S.; Ylitalo, Caroline M., Polymer compositions with bioactive agent, medical articles, and methods.
    상세보기
  24. Burton, Scott A.; Hyde, Patrick D.; Rao, Prabhakara S.; Ylitalo, Caroline M., Polymer compositions with bioactive agent, medical articles, and methods.
    상세보기
  25. Hood, David K.; Tallon, Michael; Mc Kittrick, John, Post-treatment of a polymeric composition.
    상세보기
  26. Mertens, Richard; Harren, Jörg, Powdery, cross-linked absorbent polymers, method for the production thereof, and their use.
    상세보기
  27. Ishizaki, Kunihiko; Kajikawa, Katsuhiro, Process for continuous production of water-absorbent resin product.
    상세보기
  28. Ishizaki,Kunihiko; Kajikawa,Katsuhiro, Process for continuous production of water-absorbent resin product.
    상세보기
  29. Rudiger Funk DE; Volker Frenz DE; Ulrich Riegel DE; Matthias Weismantel DE; Fritz Engelhardt ; Thomas Daniel, Process for crosslinking hydrogels with bis- and poly-2- oxazolidinones.
    상세보기
  30. Burton, Scott A.; Holm, David R., Silver coatings and methods of manufacture.
    상세보기
  31. Burton, Scott A.; Holm, David R., Silver-containing antimicrobial articles and methods of manufacture.
    상세보기
  32. Burton, Scott A.; Holm, David R., Silver-containing antimicrobial articles and methods of manufacture.
    상세보기
  33. Mark A. Schubert, Solvent-free method for synthesizing superabsorbent polymers.
    상세보기
  34. Smith, Scott J.; Joy, Mark C.; Hsu, Whei-Neen; Frank, Markus; Azad, Michael M., Superabsorbent polymer with high permeability.
    상세보기
  35. Smith,Scott J.; Joy,Mark C.; Hsu,Whei Neen; Frank,Markus, Superabsorbent polymer with high permeability.
    상세보기
  36. Wada, Katsuyuki; Nakamura, Masatoshi; Kimura, Kazuki; Ishizaki, Kunihiko, Water-absorbent resin and its production process.
    상세보기
  37. Nakamura, Masatoshi; Miyake, Koji; Iwamura, Taku; Watanabe, Yusuke, Water-absorbent resin composition, method of manufacturing the same, and absorbent article.
    상세보기
  38. Nakashima,Yasuhisa; Ikeuchi,Hiroyuki; Fujita,Yasuhiro; Nagasawa,Makoto; Sakamoto,Shigeru; Dairoku,Yorimichi; Wada,Katsuyuki; Fujino,Shinichi; Kitayama,Toshimasa; Hitomi,Kazuhisa, Water-absorbing agent and production process therefor, and sanitary material.
    상세보기
  39. Wada, Katsuyuki; Nagasawa, Makoto; Ishizaki, Kunihiko, Water-absorbing agent, manufacture method thereof, and absorbent and absorbent article made therefrom.
    상세보기
  40. Sakamoto, Shigeru; Ikeuchi, Hiroyuki; Machida, Sayaka, Water-absorbing resin and method for manufacturing the same.
    상세보기

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