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특허 상세정보

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Highly-absorbent starch-containing polymeric compositions

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C08L-003/00   
미국특허분류(USC) 260/174 ; GC ; 260/174 ; R ; 260/174 ; CL ; 260/174 ; ST
출원번호 US-0611461 (1975-09-08)
발명자 / 주소
  • Weaver Mary Ollidene (Peoria IL) Bagley Edward B. (Morton IL) Fanta George F. (Peoria IL) Doane William M. (Morton IL)
출원인 / 주소
  • The United States of America as represented by the Secretary of Agriculture (Washington DC 06)
인용정보 피인용 횟수 : 58  인용 특허 : 1
초록

Starch-containing polymer compositions are prepared which absorb amounts of water equaling up to more than 1000 times their own weight. The compositions find many applications including their incorporation into products such as disposable diapers, surgical pads and sheets, and paper towels.

대표
청구항

Aqueous fluid-absorbing compositions comprising water-insoluble alkali salts of aqueous alkali saponified gelatinized-starch-polyacrylonitrile graft polymers containing gelatinized starch (GS) and saponified polyacrylonitrile (HPAN) in molar ratios of from about 1:1.5 to 1:9 GS:HPAN, said water-insoluble alkali salts of aqueous alkali saponified gelatinized-starch-polyacrylonitrile graft polymers being further characterized as water-insoluble solids capable of absorbing in excess of 300 parts of water by weight per part of said water-insoluble solids.

인용문헌 (1)

  1. Duchane David V. (Ann Arbor MI), Water absorbing starch-acrylonitrile graft copolymers fumed silica or alumina modified to improve rate of absorption for.

이 특허를 인용한 특허 (58)

  1. Gross James R. (Lake Jackson TX), Absorbent article having enhanced blood absorption.
  2. Melius Mark K. (Appleton WI) Yarbrough Sandra M. (Menasha WI) Putzer Melissa C. (Oshkosh WI) Kellenberger Stanley R. (Appleton WI) Byerly Shannon K. (Appleton WI), Absorbent composite.
  3. Melius, Mark Kevin; Yarbrough, Sandra Marie; Putzer, Melissa Christine; Kellenberger, Stanley Roy; Byerly, Shannon Kathleen, Absorbent composite.
  4. Lissi Heinz (Chur CHX) Geistlich Peter (Stansstad CHX), Absorbent polymer material and its preparation.
  5. Korpman Ralf (Bridgewater NJ), Absorbent products.
  6. Jones Duane A. (Minneapolis MN) Elmquist Lyle F. (St. Paul MN), Absorbent starch graft polymer and method of its preparation.
  7. Wuendisch Karl (Berlin DEX), Agent for the treatment of wounds.
  8. Jones ; Duane A., Agglomeration of starch-hydrolyzed polyacrylonitrile graft copolymer.
  9. Elmquist Lyle F. (St. Paul MN), Aluminum modified water absorbent composition.
  10. Dukes, Charles D.; Shaffer, Donna G., Binding superabsorbent polymers to substrates.
  11. Bucevschi, Mircea Dan; Colt, Monica; Axlerad, Mendy, Biocompatible, biodegradable, water-absorbent hybrid material.
  12. Bucevschi, Mircea Dan; Colt, Monica, Biocompatible, biodegradable, water-absorbent material and methods for its preparation.
  13. Boehmer Edward W. (Bloomington MN) Hanlon Daniel L. (Burnsville MN), Biodegradable expanded foam material.
  14. Frankel Eric (New York NY) Plucinski Andrzej J. (Norwood NJ), Blood sample needle assembly with vein indicator.
  15. Pursell, Taylor; Shirley, Jr., Arthur R.; Cochran, Keith D.; Holt, Timothy G.; Pedeen, Gregory S., Controlled release agricultural products and processes for making same.
  16. Caserio Domenico (Milan ITX) Mignini Elio (Milan ITX) Davot Micheline M. J. (Paris FRX), Cosmetic composition.
  17. Faust, Stephan; Falk, Guido; Lee, Dae-Young, Dehumidifying element and manufacturing method for the same.
  18. Faust,Stephan; Falk,Guido; Lee,Dae Young, Dehumidifying element and manufacturing method for the same.
  19. Aberson, Gerard M.; Ring, Gerard J. F., Delayed-swelling absorbent systems.
  20. Burton,Dewey Edward; Radomyselski,Arseni Valerevich; France,Paul Amaat Raymond Gerald, Filter for removing water and/or surfactants from a lipophilic fluid.
  21. Vallier, Heather, Fossorial animal control product.
  22. Spence Wayman R. (Waco TX), High absorption body powder.
  23. Fanta George F. (Peoria IL) Stout Edward I. (Peoria IL) Doane William M. (Morton IL), Highly absorbent graft copolymers of polyhydroxy polymers, acrylonitrile, and acrylic comonomers.
  24. Simon, Jaime; Strickland, Alan D., In vivo use of water absorbent polymers.
  25. Fanta ; George F. ; Doane ; William M., Increasing absorbency of polymeric compositions by curing.
  26. Berlin,Phillip; Sinkinson,Mark, Irradiated absorbent materials.
  27. Berlin,Phillip; Sinkinson,Mark, Irradiated absorbent materials.
  28. Walker Clarence O. (Richmond TX), Method for controlling lost circulation of drilling fluids with water absorbent polymers.
  29. Sotillo Vidal E. ; Moore Wayne R., Method for producing a cat litter from grain milling byproducts.
  30. Eden Donald A. (Mercer Island WA) Griffin William H. (Bellevue WA), Method for stabilizing soil and for providing a backfill for grounding members.
  31. Ayers William R. (Bement IL), Method of making water removing filter media.
  32. Yeager, Nicholas G.; Hayes, Kathleen C., Methods and devices for humidity control of materials.
  33. Doane,Steven William; Doane,William McKee, Methods of forming superabsorbent polymer products for use in agriculture.
  34. Doane,William McKee; Doane,Steven William; Savich,Milan H., Methods of making and using a superabsorbent polymer product including a bioactive, growth-promoting additive.
  35. Kim, Young-Sam; Stockton, Luther E.; VanSumeren, Mark W., Microcavity-containing resilient, thermoplastic foam; composite of such foam and particles; methods of preparing and articles prepared from same.
  36. Fanta George F. (Peoria IL) Doane William M. (Morton IL) Stout Edward I. (Shawnee Mission KS), Modified starches as extenders for absorbent polymers.
  37. Chen Franklin M. C. (Appleton WI), Process for preparing a disposable absorbent product.
  38. Alexander William (Naperville IL) Anderson Mark (Wheaton IL) Regan Barbara R. (Glenview IL), Process for preparing water-absorbing resins.
  39. Nachtman Thomas J. ; Hull John H., Self-foaming sprayable composition.
  40. Wingard Steve G. (419 Lyndhurst Rd. Columbia SC 29210), Shaped articles for rapid hair drying utilizing polymer blends.
  41. Singletary, Steven, Silica based plant growth medium.
  42. Singletary, Steven, Silica based plant growth medium.
  43. Nachtman Thomas J. ; Hull John H. ; O'Shea Patrick, Sprayable composition and method for forming a foamed outdoor protective cover layer.
  44. Doane, Steven William; Doane, William McKee, Starch graft copolymers and method of making and using starch graft copolymers for agriculture.
  45. Doane,Steven William; Doane,William McKee, Superabsorbent polymer product and use in agriculture.
  46. Savich,Milan H.; Olson,Gary S.; Clark,Eddie W.; Doane,William McKee; Doane,Steven William, Superabsorbent polymer products including a beneficial additive and methods of making and application.
  47. Joseph L. Weir ; Larry R. Wilson, Superabsorbent polymers having a slow rate of absorption.
  48. Wilson, Larry R., Superabsorbent polymers having a slow rate of absorption.
  49. Wilson, Larry R., Superabsorbent polymers having a slow rate of absorption.
  50. Gartner Herbert A.,DEX ; Staples Thomas L. ; Fialkowski Michael A., Superabsorbent polymers having improved processability.
  51. Alexander William (Naperville IL) Anderson Mark (Wheaton IL) Regan Barbara R. (Glenview IL), Surface treated absorbent polymers.
  52. Bergeron, David, Synergistic compositions of polysaccharides as natural and biodegradable absorbent materials or super absorbents.
  53. Mali, Subhash Pandurang; Sarangan, Srinivasan; Gupte, Rajan Vitthal; Deshpande, Jayant Venkatesh; Ranbhan, Kamlesh Jayantilal, Synthetic bulk laxative.
  54. Wallajapet, Palani Raj R.; Burghardt, Dale A.; Hu, Sheng-Hsin, Tissue products having increased absorbency.
  55. Smith ; Theodore, Water absorbing and urine stable step-wise grafted starch-polyacrylonitrile copolymers.
  56. Ayers William R. (Bement IL), Water removing filter media.
  57. Williams Earl P. (Pen Argyl PA) Lorenz Donald H. (Basking Ridge NJ), Water swellable compositions.
  58. 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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