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Jay L. Piersol received US Patent No. 4,002,527 on January 11, 1977, filed April 3, 1975. It was assigned to Armstrong Cork Co.
The patent's abstract:
A beater saturation process wherein a fine powdered chlorinated natural rubber is added to papermaking fibers suspended in water. A synthetic binder in latex form is precipitated onto the fibers carrying with it the fine powdered rubber particles. This slurry is formed into a dry sheet and treated with a solvent which partially dissolves or substantially swells the chlorinated natural rubber but which does not so dissolve the synthetic latex binder. The chlorinated natural rubber is thus further distributed and smeared throughout the sheet by the solvent. The solvent is removed and a stiff strong sheet results.
- Author
- Jay L. Piersol
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 4,002,527
- Date
- January 11, 1977
- Library no.
- ACL Doc 23680 · asbestosclaims.law/library/23680
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 437 KB
Where it was listed
- Asbestos, April 1977, in its patents department (the year's issues)
Cite this document
Jay L. Piersol. “Solvent-distributed, powdered rubber in beater saturated sheets (US Patent 4,002,527, 1977).” January 11, 1977. US Patent No. 4,002,527. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23680. https://asbestosclaims.law/library/23680.
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