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US2945768A
|
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Vitreous refractory composition and method for making same
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|
US2948632A
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Surface modified kaolin clay
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US2941923A
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Toxicant carrier
|
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US2941906A
|
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Tobacco composition and smoking unit containing material for eliminating deleterious matter
|
|
US2933420A
|
|
Tobacco composition and smoking unit containing material for eliminating deleterious matter
|
|
US2920832A
|
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Improving clay brightness by flotation and fine grinding
|
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US2938818A
|
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Tobacco composition and smoking unit containing material for eliminating deleterious matter
|
|
US2895873A
|
|
Inorganic animal litter and method for making the same
|
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US2925393A
|
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Activation of clay by acid treatment, aging in inhibited oil, and calcination
|
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US2894848A
|
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Joint sealing compounds containing attapulgite
|
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US2894628A
|
|
Clay brightness by flotation
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|
US2944986A
|
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Apparatus for forming spherical masses
|
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DE1088034B
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Process for converting kaolin clay into technically usable, adsorptive contact masses
|
|
GB812010A
|
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Improvements in activation of clay by acid treatment, oil aging and calcination
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|
US2941959A
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Activation of clay by acid treatment, sand aging and calcination
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|
US2898304A
|
|
Preparation of spherical contact masses
|
|
GB793393A
|
|
Improvements relating to activation of clay by acid treatment and calcination
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|
US2892731A
|
|
Adhesives containing kaolin
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US2865731A
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Iron ore briquette with paper pulp binder
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US2750036A
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Process for concentrating phosphate ores
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