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Relja Tomic, Ulf Aberg and Elis Karlsson received US Patent No. 4,153,439 on May 8, 1979, filed June 7, 1977.
The patent's abstract:
A method of producing alkali-resistant mineral wool. The starting material is melted and formed into fibers and the fibers are cooled and collected. The raw material has the following composition: }SiO2 40-60 wt. % }Al2O3 1-15 wt. % }CaO 1-6 wt. % }MgO 30-45 wt. % }Iron oxides 1-8 wt. % }Alkali oxides maximum 2 wt. % }Other oxides maximum 2 wt. %. } The raw material preferably includes olivine.
- Author
- Relja Tomic; Ulf Aberg; Elis Karlsson
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 4,153,439
- Date
- May 8, 1979
- Library no.
- ACL Doc 23040 · asbestosclaims.law/library/23040
- Rights
- US government work, in the public domain.
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Where it was listed
- Barry Castleman, Asbestos: Medical and Legal Aspects (5th edition, 2005)
Cited by Barry Castleman
In Asbestos: Medical and Legal Aspects (5th edition, 2005), which cites it in:
Cited on this site
Cite this document
Relja Tomic, Ulf Aberg, Elis Karlsson. “Method for the production of mineral wool, especially for use in basic milieu (US Patent 4,153,439, 1979).” May 8, 1979. US Patent No. 4,153,439. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23040. https://asbestosclaims.law/library/23040.
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