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Walter G. Pusch received US Patent No. 4,150,189 on April 17, 1979, filed December 30, 1974. It was assigned to Johns Manville Corp.
The patent's abstract:
A composition is described for formation of shaped insulating articles compatible with and resistant to molten aluminum. The composition comprises calcium aluminate cement, chrysotile fibers, cryolite, inorganic filler, and, preferably, refractory fiber. Shaped articles, especially elongated troughs and flat boards, made from the composition are also described. In addition, extrusion, press molding, and similar shaping processes for formation of the articles are described.
- Author
- Walter G. Pusch
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 4,150,189
- Date
- April 17, 1979
- Library no.
- ACL Doc 23627 · asbestosclaims.law/library/23627
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 377 KB
Where it was listed
- Asbestos, August 1979, in its patents department (the year's issues)
Cited on this site
Cite this document
Walter G. Pusch. “Shapeable insulating material for use with molten aluminum (US Patent 4,150,189, 1979).” April 17, 1979. US Patent No. 4,150,189. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23627. https://asbestosclaims.law/library/23627.
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