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Hermann F. Vieweg, Arthur B. Cummins and Thomas C. Pond received US Patent No. 2,338,886 on January 11, 1944, filed August 13, 1941. It was assigned to Johns Manville.
The patent's description opens (from the scanned text):
This invention relates to basic magnesium carbonate compositions of the type suitable for insulating purposes in the form of pipe coverings, blocks or the like, and particularly to magnesia products containing reclaimed magnesium.A ser Mm-1111s obtained from Waste magnesia ma' mais.
- Author
- Hermann F. Vieweg; Arthur B. Cummins; Thomas C. Pond
- Published by
- US Patent Office
- Series
- US Patent No. 2,338,886
- Date
- January 11, 1944
- Library no.
- ACL Doc 22001 · asbestosclaims.law/library/22001
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 6 pages · 548 KB
Where it was listed
- Asbestos, February 1944, in its patents department (the year's issues)
Cite this document
Hermann F. Vieweg, Arthur B. Cummins, Thomas C. Pond. “Causticizing of Waste Magnesia Products (US Patent 2,338,886, 1944).” January 11, 1944. US Patent No. 2,338,886. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22001. https://asbestosclaims.law/library/22001.
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