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Highly absorbent graft copolymers of polyhydroxy polymers, acrylonitrile, and acrylic comonomers 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C08L-003/02
출원번호 US-0748032 (1976-12-06)
발명자 / 주소
  • Fanta George F. (Peoria IL) Stout Edward I. (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 : 39  인용 특허 : 6

초록 ▼

Absorbent compositions comprising graft copolymers of acrylonitrile and starch, or related polyhydroxy polymers, are prepared by improved methods of synthesis. Mixing the acrylonitrile with selected water-soluble acrylic comonomers enables unexpected improvements including reduction of the saponific

대표청구항 ▼

A method of preparing water-insoluble, aqueous fluid-absorbing compositions comprising the following steps: a. graft polymerizing acrylonitrile and at least one water-soluble acrylic comonomer selected from the group consisting of 2-acrylamido-2-methylpropanesulfonic acid, acrylamide, acrylic acid,

이 특허에 인용된 특허 (6)

  1. Sosa ; Jose M., Copolymerization of vinyl monomers with cellulose and starch in copper ammonium solutions.
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  2. Reid Albert R. (Hockessin DE), Highly absorbent modified polysaccharides.
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  3. 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.
    상세보기
  4. Gugliemelli Lewis A. (Pekin IL) Swanson Charles L. (Dunlap IL) Russell Charles R. (Peoria IL), Preparation of graft polymer latexes by sonification.
    상세보기
  5. Lepoutre Pierre (Pointe Claire CA), Process for drying polymer-modified cellulose fibres and products produced thereby.
    상세보기
  6. Masuda ; Fusayoshi ; Nishida ; Kazuo ; Nakamura ; Akira, Water absorbing starch resins.
    상세보기

이 특허를 인용한 특허 (39)

  1. Richman Edward (Ambler PA) Thorn Mark A. (North Brunswick NJ), Absorbent composition of matter, process for preparing same and article prepared therefrom.
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  2. Antholz Phillip (Paris IL) Swarthout E. Jack (Paris IL), Absorbent polymeric compositions derived from corn flour and starch.
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  3. Korpman Ralf (Bridgewater NJ), Absorbent products, process and compositions for immobilization of particulate absorbents.
    상세보기
  4. Jones Duane A. (Minneapolis MN) Elmquist Lyle F. (St. Paul MN), Absorbent starch graft polymer and method of its preparation.
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  5. Frankel Eric (New York NY) Plucinski Andrzej J. (Norwood NJ), Blood sample needle assembly with vein indicator.
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  6. Holubka Joseph W. (Livonia MI) Dickie Ray A. (Birmingham MI), Coating composition comprising chain-extendable crosslinkable polyol and diblocked diisocyanate diurethane oligomer.
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  7. Levy Richard, Compositions and methods for reducing the amount of contaminants in aquatic and terrestrial environments.
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  8. Levy Richard (Fort Myers FL), Compositions and methods for reducing the amount of contaminants in aquatic and terrestrial environments.
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  9. Kaczmarzyk Leonard M. (Neenah WI) Hlaban James J. (Neenah WI) Jackson David M. (Appleton WI), Easily removable tampon.
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  10. Kaczmarzyk Leonard M. (Neenah WI) Hlaban James J. (Neenah WI) Jackson David M. (Appleton WI), Easily removable tampon.
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  11. Fanta George (Peoria IL) Slininger Patricia J. (Metamora IL), Enzyme immobilization with a hydrolyzed polysaccharide graft copolymer.
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  12. Levy Richard (Fort Meyers FL), Flowable insecticidal delivery compositions and methods for controlling insect populations in an aquatic environment.
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  13. Levy Richard (Fort Myers FL), Herbicidal delivery compositions and methods for controlling plant populations in aquatic and wetland environments.
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  14. Allen Thomas C. (Asheville NC), Highly absorbent fibers of rayon with sulfonic acid polymer incorporated.
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  15. Fanta George F. (Peoria IL) Stout Edward I. (Waco TX) Doane William M. (Morton IL), Highly absorbent polyhydroxy polymer graft copolymers without saponification.
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  16. Levy Richard, Insecticidal delivery compositions and methods for controlling a population of insects in an aquatic environment.
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  17. Levy Richard (Fort Myers FL), Insecticidal delivery compositions and methods for controlling a population of insects in an aquatic environment.
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  18. Ayers William R. (Bement IL), Method of making water removing filter media.
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  19. Koboshi Shigeharu (Sagamihara JPX) Kobayashi Kazuhiro (Tokyo JPX) Aoki Syozo (Tokyo JPX) Takabayashi Naoki (Tokyo JPX), Method of treating photographic waste.
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  20. Doane,Steven William; Doane,William McKee, Methods of forming superabsorbent polymer products for use in agriculture.
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  21. Doane,William McKee; Doane,Steven William; Savich,Milan H., Methods of making and using a superabsorbent polymer product including a bioactive, growth-promoting additive.
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  22. Hou Kenneth C. (14 Hunting Ridge Rd. S. Glastonbury CT 06073) Liao Tung-Ping D. (109 Vernwood Dr. Vernon CT 06066), Modified polysaccharide supports.
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  23. Bezman Susan A. (Point Richmond CA), Oxygenated fuel dehydration.
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  24. Levy Richard, Process for the persistence control of chemicals released into the environment.
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  25. McKinley Mark J. (Linwood MI) Sanner Jim W. (Midland MI), Process of using water-absorbent agents for low pH applications.
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  26. McClure Alan D. ; Noma Yuji, Solidification of aqueous waste.
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  27. Doane, Steven William; Doane, William McKee, Starch graft copolymers and method of making and using starch graft copolymers for agriculture.
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  28. Doane,Steven William; Doane,William McKee, Superabsorbent polymer product and use in agriculture.
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  29. 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.
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  30. Savich, Milan H., Superabsorbent polymer root dip.
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  31. Olson, Gary; Walsh, John Francis, Superabsorbent polymer seed coatings and associated methods.
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  32. Olson, Gary; Walsh, John Francis, Superabsorbent polymer seed coatings and associated methods.
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  33. Doane, William McKee; Doane, Steven William; Savich, Milan H., Superabsorbent polymers in agricultural applications.
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  34. Doane,William McKee; Doane,Steven William; Savich,Milan H., Superabsorbent polymers in agricultural applications.
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  35. Levy Richard (Fort Myers FL), Terrestrial delivery compositions and methods for controlling insect and habitat-associated pest populations in terrestr.
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  36. Hamunen Antti (Raisio FIX) Anttila Mika (Turku FIX) Nurmi Kari (Raisio FIX), Thickening agent comprising aqueous dispersion of graft-copolymerized starch.
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  37. Ayers William R. (Bement IL), Water removing filter media.
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  38. Diamantoglou Michael (Erlenbach DEX) Josefiak Christoph (Erlenbach DEX) Magerlein Helmut (Obernburg DEX), Water-swellable composition, synthesis and use thereof.
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  39. Pardikes Dennis G. (Chicago IL) Flowers William F. (Bollingbrook IL) Huff Al S. (Country Club Hills IL) Young Andrew J. (Barrington IL), Weir skimmer.
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