Coating processes – Immersion or partial immersion – Cellulosic base
Patent
1973-08-22
1976-04-27
Smith, Ronald H.
Coating processes
Immersion or partial immersion
Cellulosic base
106280, 106281R, 138146, 138177, 427296, 427443, 428 36, 428468, 428490, B05D 118
Patent
active
039536289
ABSTRACT:
Disclosed is a pitch impregnant composition comprising coal tar pitch, oxidized, or unoxidized petroleum pitch with stearic acid, and particulated metallic pigments including copper, aluminum, steel, silver, iron, tin, nickel and zinc metals and copper-zinc alloys. The process comprises forcing the molten impregnant composition into the surface of the porous article preferably by imposing pressure on the impregnant composition while the article to be treated is immersed therein. Articles so treated exhibit a metallic surface appearance.
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Ashland Oil Inc.
Frenkel Stuart D.
Smith Ronald H.
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