Building material compositions

Details Building material compositions Building material compositions

2005-09-13

2005-09-13

Marcantoni, Paul (Department: 1755)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

C536S085000, C536S086000, C536S090000, C536S123100

Reexamination Certificate

active

06943247

ABSTRACT:
Described is a building material composition prepared from or having added thereto a particulate material selected from particulate polysaccharides or particulate polysaccharide derivatives. The particulate material of the building material composition is prepared by a method comprising: (a) forming a feed composition comprising a member selected from the group consisting of polysaccharides and polysaccharide derivatives, and 35 wt. % to 99 wt. % of water, based on the total weight of the feed composition, wherein said member is at least one of swelled and dissolved in the feed composition; (b) contacting, in a mill, the feed composition with a gas stream, thereby converting simultaneously the water of said feed composition into water vapor, and said member of said feed composition into a solid state form of finely particulate material; (c) separating the particulate material from the gas stream; and (d) optionally drying the particulate material. Examples of building material compositions according to the present invention include tile adhesives and joint fillers.

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