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Thomas F. Lagess and Valroy Henry Maudlin received US Patent No. 3,887,462 on June 3, 1975, filed June 7, 1974. It was assigned to Dow Chemical Co.
The patent's abstract:
Aqueous waste streams containing asbestos are pumped into underground cavities, such as brine wells, and the asbestos is caused to sink to the bottom of the cavities by being contacted with a relatively dense, finely divided insoluble settling agent, such as limestone. This provides safe disposal of waste asbestos, which otherwise could create a health or environmental problem.
- Author
- Thomas F. Lagess; Valroy Henry Maudlin
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 3,887,462
- Date
- June 3, 1975
- Library no.
- ACL Doc 22201 · asbestosclaims.law/library/22201
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 362 KB
Where it was listed
- Asbestos, September 1975, in its patents department (the year's issues)
Cite this document
Thomas F. Lagess, Valroy Henry Maudlin. “Disposal of waste streams containing asbestos (US Patent 3,887,462, 1975).” June 3, 1975. US Patent No. 3,887,462. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 22201. https://asbestosclaims.law/library/22201.
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