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Superabsorbent polymers having a slow rate of absorption 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C08K-003/18
출원번호 US-0455927 (1999-12-07)
발명자 / 주소
  • Joseph L. Weir
  • Larry R. Wilson
출원인 / 주소
  • Dow Global Technologies Inc.
인용정보 피인용 횟수 : 22  인용 특허 : 64

초록 ▼

Superabsorbent polymers having a slow rate of absorption, and a process for their preparation. The superabsorbent polymer has a slow rate of absorption, is crosslinked with a covalent crosslinking agent and the metal of a polyvalent metal salt and has an Absorption Rate Index of at least about 5 min

대표청구항 ▼

1. A process for the preparation of water-swellable, water-insoluble polymer particles having a slow rate of water absorption, the process comprising contacting a polyvalent metal salt solution with water-swellable, water-insoluble polymer particles under conditions such that the metal salt diffuses

이 특허에 인용된 특허 (64)

  1. Tsubakimoto Tsuneo (Toyonaka JPX) Shimomura Tadao (Toyonaka JPX) Irie Yoshio (Nishinomiya JPX), Absorbent article.
    상세보기
  2. Sherrod Earle H. (Appleton WI) Lassen Frederich O. (Neenah WI), Absorbent article having a fluid transfer member.
    상세보기
  3. Meyer Stephen C. (Cobb County GA) Lance Roger L. (Gwinnet County GA) Hetzler Connie L. (Winnebago County WI) Dunkerly ; II Cedric A. (Outagamie County WI) Roessler Thomas H. (Winnebago County WI) Zen, Absorbent article having a hydrophobic transport layer.
    상세보기
  4. Yarbrough Sandra M. (Menasha WI) Robinson Mark L. (Appleton WI) Flaherty Michael P. (Massillon OH), Absorbent article incorporating high porosity tissue with superabsorbent containment capabilities.
    상세보기
  5. Steger Christina,SEX ; Guidotti Edward,SEX ; Osterdahl Eje,SEX ; Widlund Urban,SEX, Absorbent articles containing superabsorbent material which has a delayed activation time.
    상세보기
  6. Weisman Paul T. (Fairfield OH) Houghton Dawn I. (Fairfield OH) Gellert Dale A. (Aurora IN), Absorbent articles with dual-layered cores.
    상세보기
  7. Gustafsson Lars,SEX ; Areskoug Stefan,SEX ; Qvist Magnus,SEX, Absorbent body with two different superabsorbents.
    상세보기
  8. Ahr Nicholas A., Absorbent composites and absorbent articles containing the same.
    상세보기
  9. Ganslaw ; Stuart H. ; Katz ; Howard G., Absorbent composition of matter.
    상세보기
  10. Goldman Stephen A. (Cincinnati OH) Retzsch Herbert L. (Cincinnati OH) Mansfield Todd L. (Cincinnati OH), Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absor.
    상세보기
  11. Mackey Larry N. (Fairfield OH) Seyed-Rezai Seyed E. (Fairfield OH), Absorbent paper comprising polymer-modified fibrous pulps and wet-laying process for the production thereof.
    상세보기
  12. Dawn Frederic S. (Houston NY) Correale James V. (Seabrook NY), Absorbent product to absorb fluids.
    상세보기
  13. Kellenberger Stanley R. (Appleton WI), Absorbent products containing hydrogels with ability to swell against pressure.
    상세보기
  14. Tsubakimoto Tsuneo (Toyonaka JPX) Shimomura Tadao (Toyonaka JPX) Irie Yoshio (Ashiya JPX) Masuda Yoshihiko (Suita JPX), Absorbent resin composition and process for producing same.
    상세보기
  15. Kellenberger Stanley R. (Appleton WI) Shih-Schroeder Wen-Huey (Little Chute WI) Wisneski Anthony J. (Kimberly WI), Absorbent structure.
    상세보기
  16. Latimer Margaret G. (Roswell GA) Matthews Billie J. (Woodstock GA) Shershin Ann M. (Kansas City MO), Absorbent structure having improved fluid surge management and product incorporating same.
    상세보기
  17. Latimer Margaret G. (Roswell GA) Matthews Billie J. (Woodstock GA) Shershin Ann M. (Roswell GA), Absorbent structure having improved fluid surge management and product incorporating same.
    상세보기
  18. Lash Glen R. (Cincinnati OH), Absorbent structures containing thermally-bonded stiffened fibers and superabsorbent material.
    상세보기
  19. Goldman Stephen A. (Wyoming OH) Horney James C. (Cincinnati OH) Retzsch Herbert L. (Cincinnati OH), Absorbent structures with gelling agent and absorbent articles containing such structures.
    상세보기
  20. Chmelir Miroslav (Grnkesdyk 36 4150 Krefeld DEX) Dahmen Kurt (von-Velsen.str.6 MDEX) Hoffman Georg (Westwall 165 4150 Krefeld DEX) Werner Georg (Dresdner Str.7 4154 Tnisvorst 1 DEX), Absorbents for blood and serous body fluids.
    상세보기
  21. Obayashi Shigeji (Akashi JPX) Nakamura Morio (Kakogawa JPX) Fujiki Koichi (Kakogawa JPX) Yamamoto Takushi (Kobe JPX), Alkali metal acrylate or ammonium acrylate polymer excellent in salt solution-absorbency and process for producing same.
    상세보기
  22. Salek Joann E. (Somerville NJ), Auxiliary absorbent article.
    상세보기
  23. Honeycutt Travis W. (Gainesville GA), Consumable product containing absorbent composition.
    상세보기
  24. Aberson, Gerard M.; Ring, Gerard J. F., Delayed-swelling absorbent systems.
    상세보기
  25. Repke Virginia L. (Oak Forest IL), Disposable diaper with improved body conformity and liquid retention.
    상세보기
  26. Bishop David F. (Dunwoody GA) Ellis Clifford J. (Woodstock GA), Fibrous nonwoven web surge layer for personal care absorbent articles and the like.
    상세보기
  27. Kopolow Steven L. (Plainsboro NJ), Flexible absorbent boards.
    상세보기
  28. Fujiura Yoji (Kyoto JPX) Sumiya Takashi (Kyoto JPX), Fluid absorbent compositions and process for their preparation.
    상세보기
  29. Weisman Paul T. (P.O. Box 39175 Cincinnati OH 45247) Goldman Stephen A. (P.O. Box 39175 Cincinnati OH 45247), High-density absorbent structures.
    상세보기
  30. Weaver Mary Ollidene (Peoria IL) Bagley Edward B. (Morton IL) Fanta George F. (Peoria IL) Doane William M. (Morton IL), Highly-absorbent starch-containing polymeric compositions.
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  31. Brandt Kerryn A. (Cincinnati OH) Goldman Stephen A. (Cincinnati OH) Inglin Thomas A. (Cincinnati OH), Hydrogel-forming polymer compositions for use in absorbent structures.
    상세보기
  32. Westerman Ira J. (Strongsville OH), Improved water absorbent copolymers of copolymerizable carboxylic acids and acrylic or methacrylic esters.
    상세보기
  33. Giacobello ; Bartolo J., Method for drying water-absorbent compositions.
    상세보기
  34. Staal Philip W. (Elkhart IN), Method for the preparation of liquid aluminum citrate.
    상세보기
  35. Stevens Robert A. (Appleton WI) Boland Leona G. (Neenah WI) Chiatalas John L. (Appleton WI), Method of integrating an absorbent insert into an elastomeric outer cover of a diaper garment.
    상세보기
  36. Weaver Mary Ollidene (Peoria IL) Bagley Edward B. (Morton IL) Fanta George F. (Peoria IL) Doane William M. (Morton IL), Method of reducing water content of emulsions, suspensions, and dispersions with highly absorbent starch-containing poly.
    상세보기
  37. Hansen Michael R. (515 N. 149th Seattle WA 98133) Young ; Sr. Richard H. (13910 147th Pl. SE. Renton WA 98059), Non-polymeric organic binders for binding particles to fibers.
    상세보기
  38. Hansen Michael R. (Seattle WA) Young ; Sr. Richard H. (Renton WA), Particle binders for high bulk fibers.
    상세보기
  39. Iskra Michael J. (Flemington NJ), Perf-embossed absorbent structure.
    상세보기
  40. Hansen Michael R. (Seattle WA) Young ; Sr. Richard H. (Renton WA), Polymeric binders for binding particles to fibers.
    상세보기
  41. Euripides Joanne M. ; Phillips Lessie C. ; Nielsen Steven F., Process for making a non-woven, wet-laid, superabsorbent polymer-impregnated structure.
    상세보기
  42. Yamasaki Harumasa (Wakayama JPX) Harada Shoichiro (Wakayama JPX), Process for preparation of high water-absorbent polymer beads.
    상세보기
  43. Aoki ; Shuzo ; Yamasaki ; Harumasa, Process for preparation of spontaneously-crosslinked alkali metal acrylate polymers.
    상세보기
  44. Alexander William (Naperville IL) Anderson Mark (Wheaton IL) Regan Barbara R. (Glenview IL), Process for preparing water-absorbing resins.
    상세보기
  45. Nakamura Morio (Kakogawa JPX) Obayashi Shigeji (Akashi JPX) Yamamoto Takushi (Himeji JPX) Nakanishi Toshikazu (Kyoto JPX) Tanaka Hitoshi (Himeji JPX) Sakamoto Yuji (Himeji JPX), Process for producing a water-absorbent resin.
    상세보기
  46. Nambu Hiromi,JPX ; Umada Akira,JPX ; Watanabe Yoshihiko,JPX ; Igarashi Tadashi,JPX ; Amiya Takayuki,JPX, Process for producing improved super absorbent polymer.
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  47. Harada Nobuyuki (Osaka JPX) Okuno Toshihiro (Osaka JPX) Shimomura Tadao (Osaka JPX), Process for producing quality-improved water-absorbent polymers and products.
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  48. Yamasaki Harumasa (Wakayama JPX) Sumida Yuzo (Wakayama JPX) Harada Shoichiro (Wakayama JPX), Process for producing water-absorbent materials having excellent water absorption properties.
    상세보기
  49. Chmelir Miroslav (Krefeld DEX) Pauen Josef (Willich DEX), Process for the continuous production of polymers and copolymers of water-soluble monomers.
    상세보기
  50. Erdman Edward P. (Cranbury NJ) Pieniak Heinz A. (North Brunswick NJ), Stable disposable absorbent structure.
    상세보기
  51. Chambers Douglas R. (Chesapeake VA) Fowler ; Jr. Hubert H. (Chesapeake VA) Fujiura Yoji (Kyoto JPX) Masuda Fusayoshi (Kyoto JPX), Super-absorbent polymer having improved absorbency properties.
    상세보기
  52. Pieniak Heinz A. (North Brunswick NJ) Iskra Michael J. (Flemington NJ), Superthin absorbent product.
    상세보기
  53. Pieniak, Heinz A.; Iskra, Michael J., Superthin absorbent product.
    상세보기
  54. Ganslaw Stuart H. (Piscataway NJ) Katz Howard G. (East Windsor NJ), Surface treatment process for improving dispersibility of an absorbent composition, and product thereof.
    상세보기
  55. Stanley ; Jr. Frederick W. (Midland MI) Lamphere Jack C. (Midland MI) Chonde Yohannes (Midland MI), Suspending agent for the suspension polymerization of water-soluble monomers.
    상세보기
  56. Lash Glen R. (Cincinnati OH) Thompson Leonard R. (Fairfield OH), Thin absorbent articles containing gelling agent.
    상세보기
  57. Nielsen Steven F. (Charlotte NC) Kim Dai W. (Chatham NJ), Water absorbent latex polymer foams.
    상세보기
  58. Anderson Mark (Wheaton IL), Water absorbent resins.
    상세보기
  59. Tsubakimoto Tsuneo (Toyonaka JPX) Shimomura Tadao (Toyonaka JPX) Irie Yoshio (Nishinomiya JPX) Masuda Yoshihiko (Suita JPX) Kimura Kazumasa (Osaka JPX) Hatsuda Takumi (Suita JPX), Water absorbing agent.
    상세보기
  60. Masuda ; Fusayoshi ; Nishida ; Kazuo ; Nakamura ; Akira, Water absorbing starch resins.
    상세보기
  61. Graham Andrew T. (Midland MI), Water-absorbent polymer having improved properties.
    상세보기
  62. Hansen Michael R. (Seattle WA) Young ; Sr. Richard H. (Federal Way WA), Wet laid fiber sheet manufacturing with reactivatable binders for binding particles to fibers.
    상세보기
  63. Anderson Richard Allen (Roswell GA) Schmidt Richard John (Roswell GA), Wet-formed absorbent composite.
    상세보기
  64. Stanley ; Jr. ; deceased Frederick W. ; Lamphere Jack C. ; Wilson Larry R., Wrinkled absorbent particles of high effective surface area having fast absorption rate.
    상세보기

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  1. Kainth, Arvinder P. Singh; Dodge, II, Richard N; Zenker, David L, Absorbent composites exhibiting stepped capacity behavior.
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  2. Singh Kainth, Arvinder P.; Dodge, II, Richard N.; Zenker, David L., Absorbent composites exhibiting stepped capacity behavior.
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  3. Qin, Jian; Wiley, James H.; Stevenson, Paul B.; Bryant, Jr., Stanley L., Absorbent composites having improved fluid wicking and web integrity.
    상세보기
  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.
    상세보기
  5. Egan, Luke S.; Calhoun, Robert Michael; Burghart, Armin; Petrie, Randall; Brennan, Randall, Acrylic dispersion-based coating compositions.
    상세보기
  6. 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.
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  7. 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.
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  8. 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.
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  9. 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
  10. Inger, Waldemar; Hose, Rudiger; Bohlmann, Heinz-Peter, Pulverulent polymers crosslinked on the surface.
    상세보기
  11. Inger,Waldemar; Hose,Rudiger; Bohlmann,Heinz Peter, Pulverulent polymers crosslinked on the surface.
    상세보기
  12. Inger,Waldemar; Hose,Rudiger; Bohlmann,Heinz Peter, Pulverulent polymers crosslinked on the surface.
    상세보기
  13. Kalayci, Veli E.; Doyle, James; Jones, Derek O.; Babcock, Brian; Hebert, Michael J.; Johnson, Philip E.; Mehta, Ketan C., Super absorbent containing web that can act as a filter, absorbent, reactive layer or fuel fuse.
    상세보기
  14. 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.
    상세보기
  15. Ahmed, Iqbal; Jones, Angela Marie; Smith, Scott J., Superabsorbent polymer having delayed free water absorption.
    상세보기
  16. Torii, Kazushi; Shibata, Hirofumi; Iwamura, Taku; Irie, Yoshio; Dairoku, Yorimichi; Mitsukami, Yoshiro; Machida, Sayaka, Water absorbent and producing method of same.
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  17. Torii, Kazushi; Shibata, Hirofumi; Iwamura, Taku; Irie, Yoshio; Dairoku, Yorimichi; Mitsukami, Yoshiro; Machida, Sayaka, Water absorbent and producing method of same.
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  18. Nakamura, Masatoshi; Miyake, Koji; Shibata, Hirofumi, Water absorbing agent and production method thereof.
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  19. Nakamura, Masatoshi; Miyake, Koji; Iwamura, Taku; Watanabe, Yusuke, Water-absorbent resin composition, method of manufacturing the same, and absorbent article.
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  20. Torii,Kazushi; Iwamura,Taku; Ikeuchi,Hiroyuki; Machida,Sayaka, Water-absorbent resin having treated surface and process for producing the same.
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  21. Torii, Kazushi; Mitsukami, Yoshiro; Imura, Motohiro; Iwamura, Taku, Water-absorbing agent.
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  22. Sakamoto, Shigeru; Ikeuchi, Hiroyuki; Machida, Sayaka, Water-absorbing resin and method for manufacturing the same.
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