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1 result for “Reaction Department”

1. Patent · February 20, 1979

   Process for the preparation of ettringite fibers (US Patent 4,140,540, 1979)

   …No. 4,002,484 but with enough water to assure having a suspension containing a maximum of 25% dry matter at the end of the reaction, and in subjecting said suspension to moderate stirring of 1…