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특허 상세정보

Agglomerates for use in making cellulosic products

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C09C-001/02   
미국특허분류(USC) 106/465 ; 106/416 ; 106/419 ; 106/437
출원번호 US-0419890 (1995-04-11)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 17  인용 특허 : 34
초록

A process is provided for the selective aggregation of the fine and ultrafine particles present in an anionically or cationically dispersed mineral pigment slurry, such that an aggregated structure is formed which contains within it a labyrinth of internal voids or pores, which collectively function as light scattering centers. The aggregates are formed from an assemblage of fine mineral particles, interconnected or bonded together with small quantities of a cationic or anionic polymer or agent of low molecular weight. The resultant aggregates are of lar...

대표
청구항

A method for producing pigments for filling paper and paper board, comprising the steps of: (a) providing an aqueous ionically dispersed slurry comprising from about 0.1 percent to about 10 percent mineral particles by weight, the slurry containing fine and ultra-fine particles; and (b) adding at least 5 pounds of a low molecular weight ionically charged agent per ton of mineral particle to the slurry to selectively aggregate the fine and ultra-fine particles present in the slurry, wherein the ionically charged agent is of opposite charge to the slurry.

이 특허에 인용된 특허 (34)

  1. Davidson ; Richard Robertson. Agglomerated fillers used in paper. USP1978094115187.
  2. Brown Alan J. (Milledgeville GA) Shurling ; Jr. Dickey S. (Sandersville GA) Carswell Jenny S. (Milledgeville GA). Aggregated composite mineral pigments. USP1992015082887.
  3. Brown Alan J. (Milledgeville GA) Shurling ; Jr. Dickey S. (Sandersville GA) Carswell Jenny S. (Milledgeville GA). Aggregated composite mineral pigments. USP1993085236989.
  4. Malden Peter J. (Lostwithiel GBX). Alkaline earth metal carbonates. USP1990024900533.
  5. McConnell, Anthony D.; Garner, Robert H.. Anhydrous kaolin clay pigment and method of preparation. USP1983054381948.
  6. Whalen-Shaw, Michael. Associatively dispersed pigments and coatings containing said pigments. USP1994065320672.
  7. Sennett Paul (Colonia NJ) Brown Steven A. (New Brunswick NJ). Cationcally dispersed slurries of calcined kaolin clay. USP1991045006574.
  8. Lauzon Rodrigue V. (Hockessin DE). Cationic dispersion and process for cationizing finely divided particulate matter. USP1992125169441.
  9. Husband John C. (St. Austell GB3) Bown Richard (St. Austell GB3) Drage Pamela G. (Par GB3). Cationic pigment-containing paper coating composition. USP1995015384013.
  10. Curtis Jerry L. (Milledgeville GA) Johnson Kenneth A. (Fayetteville NY) House Lester W. (Macon GA). Cationic pigments. USP1994085336311.
  11. Brown Steven A. (New Brunswick NJ) Sennett Paul (Colonia NJ). Cationically processed calcined kaolin clay. USP1992055112782.
  12. Suitch Paul R. (Milledgeville GA) Coppage A. Taylor (Macon GA) Brown Alan J. (Milledgeville GA). Chemically aggregated mineral pigments. USP1991115068276.
  13. Matthews Kenneth B. (Swanscombe GB2) Beckett Christine A. (Higham GB2) Smith David E. (New Barn GB2) Davidson Richard R. (Cambridge GB2). Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith. USP1986094610801.
  14. Stewart Robert D. (Yorba Linda CA) Clark Norman O. (Par CA GB2) Chang Yew C. (Westlake Village CA). Finely divided calcium carbonate compositions. USP1988034732748.
  15. Bundy ; Wayne M. ; Thompson ; Thomas D.. High bulking calcined clay pigments and methods of making the same. USP1978034078941.
  16. Bundy ; Wayne M. ; Berberich ; Joseph P. ; Sastre ; David. High bulking clay pigments and method of making the same. USP1978024076548.
  17. Bundy Wayne M. (Lebanon NJ) Manasso John A. (Belle Mead NJ) Berberich Joseph P. (Barnegat NJ). High performance paper filler and method of producing same. USP1990074943324.
  18. Buri Matthias (Rothrist CHX) Frey Daniel (Aarburg CHX). Highly concentrated aqueous suspension of minerals and/or fillers and/or pigments, stabilized with one or more polyampho. USP1991125076846.
  19. Kaliski Adam F. (East Windsor NJ). Low-refractive-index aggregate pigments products. USP1994015279663.
  20. Rice C. Arlyn (Sandersville GA). Method for forming aggregated kaolin pigment. USP1993045203918.
  21. Dunaway Weyman H. (Sandersville GA) Suitch Paul R. (Milledgeville GA) Bokor David S. (Sandersville GA) McNeeley Raymond B. (Davisboro GA) Smith Michael D. (Sandersville GA) May Tony (Sandersville GA). Method for improving the rheology of calcined kaolin clay products. USP1993115261956.
  22. Brown Alan J. (Milledgeville GA) Darsillo Michael S. (Milledgeville GA) Bentley ; Jr. O. Wayne (Gordon GA). Method for production of high solid aqueous calcium carbonate suspensions. USP1994055317053.
  23. Shurling ; Jr. Dickey S. (Sandersville GA) Brown Alan J. (Vancouver WA) Andrews E. Wayne (Sandersville GA). Method of producing aggregated kaolinite pigment using organic silicon compounds. USP1994035298066.
  24. Olson Robert A. (York New Salem PA). Methods of making combined titanium dioxide and calcium carbonate and opaque paper containing the resulting combination. USP1977064028173.
  25. Clark Norman O. (Cornwall GB2) Jones Thomas R. (Cornwall GB2). Mineral fillers. USP1979114174279.
  26. Gill Robert A. (Bethlehem PA) Sanders Nigel D. (Somerville NJ). Precipitated calcium carbonate-cationic starch binder as retention aid system for papermaking. USP1990014892590.
  27. Linden Heinrich (Dusseldorf DEX) Rutzen Horst (Langenfeld DEX) Wegemund Bernd (Haan DEX). Process for dispersing pigments and fillers using aminoalkanols and salt, alkoxylation and quaternization derivatives th. USP1979094167421.
  28. Linden Heinrich (Dusseldorf DEX) Rutzen Horst (Langenfeld DEX) Wegemund Bernd (Haan DEX). Process for dispersing pigments and fillers using aminoalkanols and salt, alkoxylation and quaternization derivatives th. USP1979094167420.
  29. Kosin John A. (Bel Air MD) Andrews Claude R. (Pasadena MD). Process for producing calcium carbonate and products thereof. USP1989124888160.
  30. Ota Yoshio (Ogaki JPX) Goto Norifumi (Ogaki JPX) Motoyama Iwao (Ogaki JPX) Iwashita Tetsushi (Ogaki JPX) Nomura Kunio (Ogaki JPX). Process of producing needle-shaped calcium carbonate particles. USP1989044824654.
  31. Vanderheiden Dennis B. (Easton PA). Spherically shaped precipitated calcium carbonate, its preparation and use. USP1987124714603.
  32. Manasso John A. (Macon GA) Mueller Kenneth (North Wales PA) Di Donato Susan (Springfield NJ). Synergistic filler blends for wood-containing papers. USP1993055207822.
  33. Pratt Richard J. (Thornton NH) Slepetys Richard A. (Brick Township ; Ocean County NJ) Nemeh Saad (West Long Branch NJ) Willis Mitchell J. (Macon GA). Treatment of clays with cationic polymers to prepare high bulking pigments. USP1988044738726.
  34. Bauman Harry D. (Glen Rock PA). Use of ground limestone as a filler in paper. USP1977054026762.

이 특허를 인용한 특허 피인용횟수: 17

  1. Cheng, Weiguo; Broadus, Katherine M; Smoron, Dorota; Wilson, Shawnee M. Anionic preflocculation of fillers used in papermaking. USP2017099752283.
  2. Haskins William John ; Osterhuber Edward Joseph. Aragonitic precipitated calcium carbonate pigment for coating rotogravure printing papers. USP1999015861209.
  3. Sutman, Frank J.; Mahoney, Joseph M.; Gill, Robert Anthony; Evans, Daniel Bruce. Copolymer blend compositions for use to increase paper filler content. USP2012048163134.
  4. Gane, Patrick A. C.; Buri, Matthias; Blum, Rene Vinzenz; Karth, Beat. Filler or pigment or processed mineral for paper, in particular a pigment containing natural CaCO, its manufacturing process, preparations containing it and their applications. USP2009127638017.
  5. Romano, Jr., Charles E.. Glossy recording medium for inkjet printing. USP2014058727528.
  6. Romano, Jr., Charles E.; Justice, Rhonda G.. Inkjet recording medium. USP2013078480225.
  7. Romano, Jr., Charles E.; Schliesman, Jr., Leonard J.; Niemiec, James P.. Inkjet recording medium. USP2013048431193.
  8. Nichols Carl W. ; Cooner Robert G.. Low viscosity, high solids content slurry. USP2000066074473.
  9. Zhao, Yulin; Li, Jun; Rao, Qing Long; Ashton, Stephen; Cheng, Weiguo; Todorovic, Aleksandar; Smith, Alan. Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking. USP20181210145067.
  10. Zhao, Yulin; Li, Jun; Rao, Qing Long; Ashton, Stephen; Cheng, Weiguo; Todorovic, Aleksandar; Smith, Alan. Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking. USP2016119487916.
  11. Zhao, Yulin; Li, Jun; Rao, Qing Long; Cheng, Weiguo. Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking. USP2013068465623.
  12. Schliesman, Leonard J.; Niemiec, James P.; Kaya, Fikret; Van Helden, Robert S.. Paper and coating medium for multifunctional printing. USP2010097803224.
  13. Gary M. Freeman ; Sung-Tsuen Liu. Paper or paper board coating composition containing a structured clay pigment. USP2002066402827.
  14. Freeman Gary M. ; Liu Sung-Tsuen. Polymer structured clay pigment and method of preparing the same. USP2000126156117.
  15. Münchow, Dieter. Process for the preparation of paper, paperboard and cardboard. USP2011027887629.
  16. Romano, Charles E.. Recording medium for inkjet printing. USP2014098821998.
  17. Romano, Jr., Charles E.; Niemiec, James P.; Schliesman, Jr., Leonard J.. Recording medium for inkjet printing. USP2014098821997.