Concrete containing sparingly soluble barium compounds
OwnerHans Jaklininventor
Life of this patent
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Abstract
In a concrete or mortar composition comprising cement or mortar, calcium sulfate and water, the improvement which comprises at least about 0.5% by weight of the cement or mortar of at least one sparingly soluble barium compound having a solubility product between 6.1 .times. 10.sup..sup.-5 and 1.08 .times. 10.sup..sup.-10, e.g., barium oxalate, barium fluoride and/or barium silicate hydrate having a BaO:SiO.sub.2 mole ratio of about 0.5 to 1.2.
Claims5
In a concrete composition comprising cement, calcium sulfate and water, the improvement which comprises including at least about 0.5% by weight of the cement of at least one spraingly soluble barium compound selected from the group consisting of barium oxalate, barium fluoride and barium silicate hydrate.
Dependencies are inferred from the claim text.