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Cross-linked sodium polyacrylate absorbent

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01J-020/04
  • D21D-003/00
  • B01J-020/10
  • B01J-020/26
출원번호 US-0106958 (1979-12-26)
발명자 / 주소
  • Parks Lawrence R. (Cincinnati OH)
출원인 / 주소
  • The Procter & Gamble Company (Cincinnati OH 02)
인용정보 피인용 횟수 : 45  인용 특허 : 1

초록

The present invention involves compositions of super absorbent polymers which absorb many times their weight in water and aqueous fluids. Super absorbent polymers in the prior art have effectively absorbed many times their weight of water, however, they become slimy to the touch or become so fluid a

대표청구항

An absorbent composition comprising a copolymer of acrylic acid cross-linked with a first cross-linking component comprising a monomer having at least two vinyl groups and a second cross-linking component comprising an ionic divalent cation.

이 특허에 인용된 특허 (1)

  1. Ganslaw ; Stuart H. ; Katz ; Howard G., Absorbent composition of matter.

이 특허를 인용한 특허 (45)

  1. Bernardin Leo J. (Appleton WI), Absorbent structure designed for absorbing body fluids.
  2. Bernardin Leo J. (Appleton WI), Absorbent structure designed for absorbing body fluids.
  3. Bernardin Leo J. (Appleton WI), Absorbent structure designed for absorbing body fluids.
  4. Cook, Jeffery T.; Bell, Robert Irvin; Fields, Sonja McNeil; Huff, Byron Jerry Lee; Morton, Gerald Hunt; Schoggen, Howard Leon; Smith, David Jay, Absorbent structures of chemically treated cellulose fibers.
  5. Cook, Jeffery T.; Bell, Robert Irvin; Fields, Sonja McNeil; Huff, Byron Jerry Lee; Morton, Gerald Hunt; Schoggen, Howard Leon; Smith, David Jay, Absorbent structures of chemically treated cellulose fibers.
  6. Rzechula Michael J. (Elizabethtown IL), Additive composition for treating water used to form ice and methods.
  7. Kiser, Patrick F.; Thomas, Allen A., Biodegradable cross-linkers having a polyacid connected to reactive groups for cross-linking polymer filaments.
  8. Dentler, Joachim; Herfert, Norbert; Klotzsche, Helmut; Schliwa, Rudolf; Stuven, Uwe, Complete drying method for hydrogels.
  9. Aberson, Gerard M.; Ring, Gerard J. F., Delayed-swelling absorbent systems.
  10. Holt, Jason, Dispersions of superabsorbent polymers, processing thereof and articles formed from the dispersions.
  11. Barcus Robert Lee (Springfield Township OH) Bjorkquist David William (Wyoming OH), Fibers and pulps for papermaking based on chemical combination of poly (acrylate-co-itaconate), polyol and cellulosic fi.
  12. Dutkiewicz, Jacek K.; Skirius, Stephen A.; Fields, Sonja McNeil; Rushing, Lynn Hung; Smith, David Jay; Kalmon, Michael; Moose, Ronald Timothy; Fryczkowski, Ryszard; Fryczkowska, Beata; Rom, Monika, Fibers of variable wettability and materials containing the fibers.
  13. Barnholtz, Steven Lee; Trokhan, Paul Dennis; Suer, Michael Donald, Fibrous structures and methods for making same.
  14. Fujiura Yoji (Kyoto JPX) Sumiya Takashi (Kyoto JPX), Fluid absorbent compositions and process for their preparation.
  15. Rovaniemi, Rolf, Fluid absorption mat.
  16. Tsuchimoto, Yasushi; Takahata, Shiro; Shimada, Kiyotaka; Tanaka, Koji; Aoki, Susumu; Yamamoto, Tsutomu; Ashizawa, Masaaki; Nishimoto, Kazuo, Gasket sheet.
  17. Murata Michihiro (Kyoto JPX) Kumada Akira (Ootsu JPX), Humidity sensitive device.
  18. Gregory R. Ley ; Larry L. Hum, Mannitol/hydrogel cap for tissue-insertable connections.
  19. Jaworek,Thomas; Daniel,Thomas; Wolf,Lothar; Koeniger,Rainer; Schwalm,Reinhold; Hartmann,Gabriele; Wickel,Stefan, Method for the production of esters of polyalcohols.
  20. Riegel, Ulrich; Weismantel, Matthias; Frenz, Volker; Daniel, Thomas; Engelhardt, Fritz, Method for the secondary cross-linking of hydrogels with 2-oxotetrahydro-1,3-oxazines.
  21. Yeager, Nicholas G.; Hayes, Kathleen C., Methods and devices for humidity control of materials.
  22. Payzant, John Donald; Zhou, Zhihong, Networked polymer/clay alloy.
  23. Ban, Weiping, Papermaking and products made thereby with ionic crosslinked polymeric microparticle.
  24. Itoh Kiichi (Yokkaichi JPX) Shibano Takeshi (Yokkaichi JPX), Process for preparation of water absorptive composite.
  25. Alexander William (Naperville IL) Anderson Mark (Wheaton IL) Regan Barbara R. (Glenview IL), Process for preparing water-absorbing resins.
  26. Wilk, Bogdan Kazimierz; Rubezhov, Arkadiy Zinoviy; Hadfield, Anthony Francis; Helom, Jean Louise, Purification of progesterone receptor modulators.
  27. Wilk, Bogdan Kazimierz; Rubezhov, Arkadiy Zinoviy; Hadfield, Anthony Francis; Helom, Jean Louise, Purification of progesterone receptor modulators.
  28. Wilk, Bogdan Kazimierz; Rubezhov, Arkadiy Zinoviy; Hadfield, Anthony Francis; Helom, Jean Louise, Purification of progesterone receptor modulators.
  29. Zhou, Zhihong; Payzant, John Donald; Van Woudenberg, Walter, Reinforced networked polymer/clay alloy composite.
  30. Zhou, Zhihong; Payzant, John Donald; Woudenberg, Walter Van, Reinforced networked polymer/clay alloy composite.
  31. Kim,Young Sam, Superabsorbent carboxyl-containing polymers with odor control properties and method for preparation.
  32. Alexander William (Naperville IL) Anderson Mark (Wheaton IL) Regan Barbara R. (Glenview IL), Surface treated absorbent polymers.
  33. Wilk, Bogdan Kazimierz, Thioamide derivatives as progesterone receptor modulators.
  34. Wilk, Bogdan Kazimierz, Thioamide derivatives as progesterone receptor modulators.
  35. Wilk,Bogdan Kazimierz, Thioamide derivatives as progesterone receptor modulators.
  36. Wilk,Bogdan Kazimierz, Thioamide derivatives as progesterone receptor modulators.
  37. Wallajapet, Palani Raj R.; Burghardt, Dale A.; Hu, Sheng-Hsin, Tissue products having increased absorbency.
  38. Nakamura Kenji (3-7 Higashiyodogawa-ku ; Osaka JPX), Toilet article.
  39. Daniel Thomas ; Herfert Norbert,DEX ; Remmel Gustav,DEX ; Riegel Ulrich,DEX ; Stuven Uwe,DEX ; Engelhardt Fritz, Use of surfactants in the drying of hydrophilic highly swellable hydrogels.
  40. Burgert Josef H. (Achern DEX) Christensen Stephen B. (Midland MI) Gartner Herbert A. (Baden-Baden DEX) Buchholz Fredric L. (Midland MI) Johnson Thomas C. (Midland MI) Graham Andrew T. (Midland MI), Water absorbent resin particles of crosslinked carboxyl containing polymers and method of preparation.
  41. Kim, Young-Sam, Water absorbent resin particles of crosslinked carboxyl-containing polymers with low monomer content.
  42. Freeman, Clarence S.; Freeman, Katherine M., Water detection and removal for instruments.
  43. Yanase Toru,JPX ; Kimura Kazuki,JPX ; Fujino Shin-ichi,JPX ; Nagasuna Kinya,JPX ; Ishizaki Kunihiko,JPX ; Fujimaru Hirotama,JPX ; Harada Nobuyuki,JPX, Water-absorbent agent and method for manufacturing the same.
  44. Kim,Young Sam, Water-absorbent carboxyl-containing polymers with low monomer content.
  45. Wallajapet, Palani Raj Ramaswami; Edens, Ronald Lee; Mocadlo, Cheryl Ann; Hu, Sheng-Hsin; Yavich, Dmitry; Kale, David Michael, Wet-formed composite defining latent voids and macro-cavities.
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