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Mario P. Bucco and Alvin Van Valkenburg received US Patent No. 4,036,656 on July 19, 1977, filed August 29, 1975.
The patent's abstract:
The invention disclosed is for an improved foamed mastic composition comprising a magnesia cement, building articles coated therewith in light porous foamed form having improved fire resistant and sound insulating properties, and a method of preparing such articles and composition. The foamed mastic composition prepared by the present invention is pumpable and sprayable, and upon setting or drying provides a highly porous, firmly-bonded coating upon metallic building members.
- Author
- Mario P. Bucco; Alvin Van Valkenburg
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 4,036,656
- Date
- July 19, 1977
- Library no.
- ACL Doc 22361 · asbestosclaims.law/library/22361
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 6 pages · 703 KB
Where it was listed
- Asbestos, September 1977, in its patents department (the year's issues)
Cite this document
Mario P. Bucco, Alvin Van Valkenburg. “Foamed mastic composition, building articles coated therewith, and method of preparing same (US Patent 4,036,656, 1977).” July 19, 1977. US Patent No. 4,036,656. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 22361. https://asbestosclaims.law/library/22361.
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