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Structural material (US Patent 4,022,626, 1977)

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William C. McBee, Thomas A. Sullivan and Oliver B. Patrick received US Patent No. 4,022,626 on May 10, 1977, filed August 22, 1975. It was assigned to United States Department of the Interior.

The patent's abstract:

A composite structural material is prepared by admixing (1) sulfur plasticized by reaction with dicyclopentadiene, or dicyclopentadiene and styrene, (2) asbestos fibers wetted with dipentene and (3) silica flour, maintaining the mixture at about 120 to 150 DEG C for about 0.5 to 5 minutes and casting the resulting product under a pressure of about 500 to 1500 psi. Additional strength is obtained by curing at elevated temperature prior to casting.

Author
William C. McBee; Thomas A. Sullivan; Oliver B. Patrick
Published by
US Patent and Trademark Office
Series
US Patent No. 4,022,626
Date
May 10, 1977
Library no.
ACL Doc 23718 · asbestosclaims.law/library/23718
Rights
US government work, in the public domain.

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William C. McBee, Thomas A. Sullivan, Oliver B. Patrick. “Structural material (US Patent 4,022,626, 1977).” May 10, 1977. US Patent No. 4,022,626. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23718. https://asbestosclaims.law/library/23718.

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