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"" 따옴표 내의 구문과 완전히 일치하는 문서만 검색 예) "Transform and Quantization"

특허 상세정보

Stabilized slurry composition and method of making the same

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C09C-001/02   
미국특허분류(USC) 106/469; 106/486
출원번호 US-0931280 (2004-08-30)
등록번호 US-7258732 (2007-08-21)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 3  인용 특허 : 22
초록

The present invention provides a high solids mineral slurry having long term stability and a method for producing the same. Specifically, the present invention provides a talc slurry having a solids content of up to 65% and a stability against sedimentation for up to 100 days. The talc slurry of the present invention comprises a phyllosilicate mineral, a chelating agent and multivalent ions, wherein the slurry has a pH of between about 10.2 and about 11.8.

대표
청구항

What is claimed is: 1. A stable talc slurry, comprising: water; between about 50% and about 80% talc by weight; sodium hydroxide; between about 50 ppm and about 850 ppm citric acid; between about 700 ppm and about 1300 ppm magnesium sulfate heptahydrate; wherein the slurry has a pH of between about 10.2 and about 11.8 and the slurry is stable without agitation for at least about 25 days. 2. A method of making a phyllosilicate mineral mineral slurry, comprising: adding a phyllosilicate mineral to a solvent to produce a substantially homogeneous high s...

이 특허에 인용된 특허 (22)

  1. Sekutowski Dennis G. ; Puterka Gary J. ; Glenn David Michael. Aqueous dispersion of a particulate solid having a hydrophobic outer surface and films produced thereby. USP1999065908708.
  2. Tanaka, Shinji; Shiraki, Yasushi; Tamura, Takao; Kuramoto, Masahiko; Sato, Haruhito; Watanabe, Masami. Catalysts for α-olefin production and processes for producing α-olefin. USP2003046555633.
  3. Johnson ; Jr. David W. (Pluckemin NJ) Vogel Eva M. (Berkeley Heights NJ). Dispersants for a ceramic slurry. USP1981054267065.
  4. Jones Keith A. (Yardley PA). Environmentally safe pesticide compositions. USP1994085342630.
  5. Yordan Jorge L. (Sandersville GA) Collins David R. (Sandersville GA). High solids slurries of structured kaolin clay materials having improved high shear rheology and process for the manufac. USP1995065424259.
  6. Hoyt ; 4th Hazen L. (Niantic CT). Kaolin clay slurries of reduced viscosity. USP1982014309222.
  7. Nichols Carl W. ; Cooner Robert G.. Low viscosity, high solids content slurry. USP2000066074473.
  8. Yamashita Thomas T.. Method and composition for promoting and controlling growth of plants. USP2001106309440.
  9. Abercrombie ; Jr. William F. (Macon GA). Method for controlling the viscosity of dispersed clay slurries. USP1979034144083.
  10. Glenn David Michael ; Sekutowski Dennis G. ; Puterka Gary J.. Method for preventing physiological disorders without diminishing photosynthesis. USP2000056069112.
  11. Puterka Gary J. ; Sekutowski Dennis G. ; Glenn David Michael. Method for protecting surfaces from arthropod infestation. USP2000026027740.
  12. Glenn, David Michael; Sekutowski, Dennis G.. Method of weed control. USP2005046877275.
  13. Jones Thomas Richard,GBX ; Paynter Christopher Derek,GBX. Porous inorganic particulate material. USP2000106136740.
  14. Horzepa ; John P. ; Potts ; David E.. Process for producing clay slurries. USP1978104118246.
  15. Lowe Robert A. ; Malla Prakash B.. Process for the treatment of clay materials to provide slurries having improved rheological properties. USP1998015707912.
  16. Bell David G. (St. Austell GB2) Gibson Keith R. (St. Austell GB2). Processing of kaolinitic clays at high solids. USP1980014186027.
  17. Koppelman Mitchell H. (North Plainfield NJ) Migliorini Ingrid K. (Linden NJ). Processing of kaolinitic clays at high solids under acidic conditions. USP1987034650521.
  18. Peutherer Peter,GBX ; Waring Ian Mark,GBX ; Collett Lesley,GBX. Sizing of paper. USP2001096284099.
  19. Thompson Thomas D. (Flemington NJ) Gergel John F. (Perth Amboy NJ) Economou Peter (Millington NJ). Stable clay slurries. USP1983024374203.
  20. Shi Joseph C. S. (Bartow GA) Blue William H. (Wrightsville GA) Bruns Jeffrey C. (Sandersville GA). Stable high solids slurries of structured clay materials and process for the manufacture thereof. USP1996085543372.
  21. Sekutowski Dennis G. ; Puterka Gary J. ; Glenn David Michael. Treated horticultural substrates. USP2000126156327.
  22. Ou Chia-Chih (Lexington MA) Crawford Albert N. (Milford MA). Vermiculite dispersions and method of preparing same. USP1988104780147.