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Asphaltic based fire-resistant compositions utilizing vermiculite ore intumescing agent (US Patent 3,556,819, 1971)

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Russell E. Koons received US Patent No. 3,556,819 on January 19, 1971, filed March 14, 1968. It was assigned to Monsanto Co.

The patent's abstract:

FIRE-RESISTANT ASPHATIC COMPOSITIONS ARE MADE BY COMBINING: (A) ASPHALT HAVING A PENETRATION OF FROM 0 TO 50 MM./ 10 AT 77F. AND A SOFTENING POINT OF FROM 150 TO 300F.; (B) A NONCOMBUSTIBLE FIBROUS MATERIAL SUCH AS ASBESTOS OR FIBER GLASS; (C) A FINELY DIVIDED POROUS AGGREGATE SUCH AS PERLITE OR GROUND FOAMED POLYURETHANE; (D) A FINELY DIVIDED HEAT-FUSIBLE MATERIAL SUCH AS BOXAX GLASS OR BORIC ACID; (E) A VERMICULITE ORE INTUMESCING AGENT; AND (F) A SOLVENT FOR THE ASPHALT TO LOWER VISCOSITY OF THE COMPOSITION TO A POINT WHERE IT CAN BE APPLIED TO A SURFACE.

Author
Russell E. Koons
Published by
US Patent Office
Series
US Patent No. 3,556,819
Date
January 19, 1971
Library no.
ACL Doc 21834 · asbestosclaims.law/library/21834
Rights
US government work, in the public domain.

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Where it was listed

Cite this document

Russell E. Koons. “Asphaltic based fire-resistant compositions utilizing vermiculite ore intumescing agent (US Patent 3,556,819, 1971).” January 19, 1971. US Patent No. 3,556,819. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21834. https://asbestosclaims.law/library/21834.

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