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US 4,049,465 AGranted
Concrete additive and method of applying stucco cement
OwnerRichard E. Dwyerinventor
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Abstract
A composition of lime-nitrogen and protein which when mixed together with portland cement improves the final cement products for use in construction whereby, concrete provides greater insulation, improved workability, lighter weight, high early strength, increased compressive strength, and improved finish, and when used as a stucco over plywood, which has been treated with a sealer material such as contact cement produces a superior flame retardent stucco finish of minimal thickness.
Claims6
A concrete additive comprising, by dry volume approximately,
- four parts protein, and
- one part calcium cyanamide.
Dependencies are inferred from the claim text.