Coating apparatus – With cutting – punching or tearing of work – Web or sheet work
Patent
1974-12-17
1977-05-10
Stein, Mervin
Coating apparatus
With cutting, punching or tearing of work
Web or sheet work
23260, 427220, C23C 1308
Patent
active
040221520
ABSTRACT:
An apparatus for making particulate materials hydrophobic has means for activating the material, means for charging the material with a substance capable of imparting hydrophobic characteristics thereto, means for causing reaction between the material and the substance with which it is charged and means for treating the material subsequent to the reaction so as to remove excess of the substance therefrom.
REFERENCES:
patent: 3069243 (1962-12-01), Brooks et al.
patent: 3551098 (1970-12-01), Flemmert
patent: 3560166 (1971-02-01), Walles
Laufer Siegmar
Roy Waldemar
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Stein Mervin
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