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Styrene-butadiene-acrylonitrile interpolymer latex based cement additives
What is claimed is: 1. A cement additive consisting of (1) an interpolymer latex, said interpolymer consisting of from about 30 to about 70 parts by weight styrene, from ...
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Method and apparatus for burning cement clinker
The present invention seeks to overcome the difficulties and technical limitations described above, to provide for rapid burning of cement clinker and to exploit the ...
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Building for cold districts
This invention has been developed in the light of the above features of the prior art, and its primary object is to provide a building for cold districts, the inside of ...
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Odoriferous cycloalkyl acetals
We claim: 1. An odoriferous acetal having the formula ##EQU2## wherein R is a cycloalkyl having from 8 to 12 carbon atoms, R.sub.1 is a member selected from the group ...
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Integral skin microcellular polyester base polyurethane elastomers
What is claimed is: 1. In a process of preparing an integral-skin microcellular polyester base polyurethane elastomer, the improvement comprising reacting a hydroxyl-...
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Rigid, non-cellular polyurethane modified with reaction product of an isocyanate and an alcohol
The embodiments of the invention in which an exclusive privilege or property is claimed are defined as follows: 1. In the process for the preparation of a noncellular, ...
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High modulus polyethylene fiber bundles as reinforcement for brittle matrices
The present invention comprises the use of bundles of parallel or slightly twisted high modulus polyethylene fibers as reinforcement in composites wherein the matrix is ...
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Temperature and/or relative humidity control system
OF INVENTION With particular reference to FIG. 1 of the drawings, the device 10 forming the subject of the present invention is generally illustrated. It will be noted ...
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Side wall guide for adjustable width continuous casting mold
The continuous mold 10 is similar to the mold described and illustrated in my prior U.S. Pat. No. 3,964,727 issued June 22, 1976. Such mold comprises a front wall 11, a ...
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Modified rotary compressor yielding sinusoidal pressure wave outputs
I claim: 1. In a rotary compressor device in which substantially trochoidal curves form the inner surface of the working chambers and the configuration of the internally ...
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