Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing
Reexamination Certificate
2003-04-15
2010-02-09
Marcantoni, Paul (Department: 1793)
Compositions: coating or plastic
Coating or plastic compositions
Inorganic settable ingredient containing
C106S644000, C106S676000, C106S705000, C106S713000, C106S714000, C106S730000, C106S737000, C264S333000
Reexamination Certificate
active
07658794
ABSTRACT:
This invention relates to a formulation with the addition of low density additives of volcanic ash, hollow ceramic microspheres or a combination of microspheres and volcanic ash or other low density additives into cementitious cellulose fiber reinforced building materials. This formulation is advantageously lightweight or low density compared as compared to current fiber cement products without the increased moisture expansion and freeze-thaw degradation usually associated with the addition of lightweight inorganic materials to fiber cement mixes. The low density additives also give the material improved thermal dimensional stability.
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Gleeson James A.
Melmeth David L.
Paradis Kalynne H.
Seligman Dean M.
Sloane Brian P.
James Hardie Technology Limited
Marcantoni Paul
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