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Roger W. Glass and Richard A. Kuntze received US Patent No. 4,180,433 on December 25, 1979, filed August 15, 1977.
The patent's abstract:
The filtration rate of asbestos-cement slurries formed from chrysotile asbestos fibres is improved by controlled heat treatment of the fibres at a temperature of about 400° to about 600° C. without loss of water of crystallization and fibre strength. The improved filtration rate allows an increased rate of production of asbestos-cement products.
- Author
- Roger W. Glass; Richard A. Kuntze
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 4,180,433
- Date
- December 25, 1979
- Library no.
- ACL Doc 23510 · asbestosclaims.law/library/23510
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, February 1980, in its patents department (the year's issues)
Cited on this site
Cite this document
Roger W. Glass, Richard A. Kuntze. “Production of improved chrysotile asbestos fibres (US Patent 4,180,433, 1979).” December 25, 1979. US Patent No. 4,180,433. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23510. https://asbestosclaims.law/library/23510.
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