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Harold W. Greider and Roger A. Macarthur received US Patent No. 2,275,032 on March 3, 1942, filed August 16, 1938. It was assigned to Philip Carey Manufacturing Co.
The patent's description opens (from the scanned text):
This invention relates to the manufacture of basic magnesium carbonate and heat insulation material comprising basic magnesium carbonate.
- Author
- Harold W. Greider; Roger A. Macarthur
- Published by
- US Patent Office
- Series
- US Patent No. 2,275,032
- Date
- March 3, 1942
- Library no.
- ACL Doc 22967 · asbestosclaims.law/library/22967
- 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:
- Chapter 6 (Alternatives to Asbestos Insulation), p. 373, note 13
Cited on this site
Cite this document
Harold W. Greider, Roger A. Macarthur. “Manufacture of basic magnesium carbonate and heat insulation material comprising same (US Patent 2,275,032, 1942).” March 3, 1942. US Patent No. 2,275,032. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22967. https://asbestosclaims.law/library/22967.
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