Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1983-12-23
1985-05-28
Lusignan, Michael R.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
427221, 427370, 427377, 427387, 428407, 252378P, B05D 302, B05D 304, B05D 700
Patent
active
045200734
ABSTRACT:
Mineral filler materials are provided with improved hydrophobic 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.
REFERENCES:
patent: 4183980 (1980-01-01), Nielsen
patent: 4255489 (1981-03-01), Nielsen
Randolph Donald A.
Watkins Kenneth R.
Kurlandksy Samuel
Lusignan Michael R.
Roberts Kenneth E.
Robinson Robert H.
USG Corporation
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