C - Chemistry – Metallurgy – 09 – C
Patent
C - Chemistry, Metallurgy
09
C
117/47.7
C09C 3/12 (2006.01) B01J 2/00 (2006.01) C04B 20/10 (2006.01) C08K 9/04 (2006.01) C08K 9/08 (2006.01) C09C 1/00 (2006.01) C09C 3/00 (2006.01) C09C 3/08 (2006.01) C09C 3/10 (2006.01) C09D 7/12 (2006.01)
Patent
CA 1221277
PRESSURE COATING OF MINERAL FILLERS Abstract of the Disclosure Mineral filler materials are provided with improved hydro- phobic coatings by pressure coating of porous minerals using steam as a carrier for the coating material. Thereby more complete sealing of fissures and cracks in the porous filler materials' surface is provided, resulting in very water-resistant coated particles useful in filling polymeric substrates such as paints, plastics and joint compounds.
468811
Randolph Donald A.
Watkins Kenneth R.
Company United States Gypsum
Macrae & Co.
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