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Porous absorbent materials having modified surface characteristics and methods for making the same 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B32B-005/18
출원번호 US-0779725 (1997-01-06)
발명자 / 주소
  • Wang Lin
  • Rezai Ebrahim
  • Hayashi Yumiko
출원인 / 주소
  • The Procter & Gamble Company
대리인 / 주소
    Roof
인용정보 피인용 횟수 : 22  인용 특허 : 67

초록 ▼

A porous absorbent material that comprises a water-insoluble, water-swellable absorbent polymer. The absorbent material comprises a polyether and/or a polycation bonded to the absorbent polymer whereby the contact angle of blood on a surface of the absorbent material attains from about 0 degree to a

대표청구항 ▼

[ What is claimed is:] [1.] A porous absorbent material having walls surrounding and defining cellular voids, and having modified surface characteristics, said material comprising:a water-insoluble, water-swellable polymer;a positive-charge supplying compound bonded to the water-insoluble, water-swe

이 특허에 인용된 특허 (67)

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이 특허를 인용한 특허 (22)

  1. Beruda, Holger; Nakagawa, Yasue; Link, Andrea Lieselotte; Schmidt, Mattias, Absorbent articles comprising fluid acquisition zones with superabsorbent polymers.
    상세보기
  2. Beruda,Holger; Nakagawa,Yasue; Link,Andrea Lieselotte; Meyer,Axel, Absorbent articles comprising super absorbent polymer having a substantially non-convalently bonded surface coating.
    상세보기
  3. Ehrnsperger,Bruno Johannes; Schoenborn,Udo Friedel, Absorbent cores for absorbent diapers having reduced thickness and improved liquid handling and retention performance and comprising a super absorbent polymer.
    상세보기
  4. Ehrnsperger,Bruno; Schoenborn,Udo Friedel, Absorbent cores for absorbent diapers having reduced thickness and improved liquid handling and retention performance and comprising a super absorbent polymer.
    상세보기
  5. Qin, Jian; Zhang, Xiaomin; Ranganathan, Sridhar; Li, Yong, Absorbent materials having improved absorbent properties.
    상세보기
  6. Dodge, II, Richard Norris; Lange, Nancy Birbiglia; Chakravarty, Jayant; Qin, Jian; Ranganathan, Sridhar; Tsai, Fu-Jya Daniel; Uttecht, Cathleen M.; Zhang, Xiaomin, Absorbent materials having improved fluid intake and lock-up properties.
    상세보기
  7. Isaac Goldhirsch IL; Steven A. Orszag, Composite absorbent structure and method.
    상세보기
  8. Mitchell, Michael A.; Anderson, Mark; Beihoffer, Thomas W., Continuous manufacture of superabsorbent/ion exchange sheet material.
    상세보기
  9. Azad,Michael M.; Herfert,Norbert; Mitchell,Michael; Robinson,Jim, Crosslinked polyamine coating on superabsorbent hydrogels.
    상세보기
  10. Hen, John, Hemostatic compositions for arresting blood flow from an open wound or surgical site.
    상세보기
  11. Smith, Scott J.; McIntosh, Stan; Bergman, Jr., David L., High permeability superabsorbent polymer compositions.
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  12. Smith, Scott J.; McIntosh, Stan; Bergman, Jr., David L., High permeability superabsorbent polymer compositions.
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  13. Smith, Scott J.; McIntosh, Stan; Bergman, Jr., David L., High permeability superabsorbent polymer compositions.
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  14. Qin, Jian; Dodge, II, Richard Norris; Ranganathan, Sridhar; Uttecht, Cathleen M.; Zhang, Xiaomin, High stiffness absorbent polymers having improved absorbency rates and method for making the same.
    상세보기
  15. Song, Xuedong, Method for extending the dynamic detection range of assay devices.
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  16. Jackson, David Martin; Fairbanks, Jason Sybren; MacDonald, John Gavin, Method for making fibrous web materials.
    상세보기
  17. Mitchell Michael A. ; Beihoffer Thomas W. ; Trzupek Leticia L ; Darlington ; Jr. Jerald W. ; Anderson Mark, Poly (vinylamine)-based superabsorbent gels and method of manufacturing the same.
    상세보기
  18. Song, Xuedong; Wei, Ning; Sayre, Curt, Polyelectrolytic internal calibration system of a flow-through assay.
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  19. Song, Xuedong; Wei, Ning; Sayre, Curtis N., Polyelectrolytic internal calibration system of a flow-through assay.
    상세보기
  20. Mertens, Richard; Harren, Jörg, Powdery, cross-linked absorbent polymers, method for the production thereof, and their use.
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  21. Kainth,Arvinder Pal Singh; Dodge, II,Richard Norris; Feldkamp,Joseph Raymond; Mundschau,Stacy Averic; Ostgard,Estelle Anne, Superabsorbent materials having low, controlled gel-bed friction angles and composites made from the same.
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  22. Bergeron, David, Synergistic compositions of polysaccharides as natural and biodegradable absorbent materials or super absorbents.
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