C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/78
C04B 11/00 (2006.01) C04B 28/14 (2006.01)
Patent
CA 1098136
IMPROVEMENTS RELATING TO GYPSUM PRODUCTS Abstract of the Disclosure THIS INVENTION relates to a method of making a gypsum product wherein a hot homogeneous mixture of pitch and a suitable organic material are mixed with gypsum and water to form a slurry. This slurry is then formed, allowed to set and then heated to a temperature above the melting points of both constituents of the mixture but below the temperature at which there is any significant detericration of the product.
302237
Lamprecht Adriaan J.h.
Maier Simbert W.
Gypsum Industries Limited
Mccarthy Tetrault Llp
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