Cement-shrinkage-reducing agent and cement composition
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United States of America Patent
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Oct 15, 1985
Grant Date -
N/A
app pub date -
May 4, 1982
filing date -
Mar 2, 1981
priority date (Note) -
Expired
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Abstract
This invention relates to a cement-shrinkage-reducing agent and a cement composition comprising a compound of the general formula RO(AO).sub.n H (in which R represents a C.sub.1-7 alkyl or C.sub.5-6 cycloalkyl radical, A represents one or more C.sub.2-3 alkylene radicals, and n has a value of 1-10) for use in making cement mortar and concrete.
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