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Frances S. De Lisle and William Courtland Kinnon received US Patent No. 3,372,803 on March 12, 1968, filed July 30, 1964.
The patent's description opens:
This invention relates to a means and method for removing iron from asbestos ore, and, more particularly, to a means and method for removing iron from asbestos ore which is particularly efficient and economical for use in processing asbestos ore to reduce the iron content there in sufliciently so that asbestos so processed may readily be used in the production of electrical insulation components and which may be used for other purposes involving refined asbestos having a very low iron content.
- Author
- Frances S. De Lisle; William Courtland Kinnon
- Published by
- US Patent Office
- Series
- US Patent No. 3,372,803
- Date
- March 12, 1968
- Library no.
- ACL Doc 22981 · asbestosclaims.law/library/22981
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 12 pages · 1.3 MB
Where it was listed
- Asbestos, May 1968, in its patents department (the year's issues)
Cited on this site
Cite this document
Frances S. De Lisle, William Courtland Kinnon. “Means and method for removing iron from asbestos ore (US Patent 3,372,803, 1968).” March 12, 1968. US Patent No. 3,372,803. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22981. https://asbestosclaims.law/library/22981.
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