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Yoshiro Harada and William B. Crandall received US Patent No. 3,914,184 on October 21, 1975, filed October 17, 1973.
The patent's abstract:
A method for converting chrysotile asbestos to a magnesium hydroxide rich composition by subjecting the asbestos to repeated cycles of treatment with a 20 to 60 percent solution of potassium hydroxide heated to a temperature of from about 150C to 200C for a predetermined period of time, followed by the intermittent removal of the hot potassium hydroxide and subsequent washing of the treated asbestos between each cycle.
- Author
- Yoshiro Harada; William B. Crandall
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 3,914,184
- Date
- October 21, 1975
- Library no.
- ACL Doc 23018 · asbestosclaims.law/library/23018
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, December 1975, in its patents department (the year's issues)
Cited on this site
Cite this document
Yoshiro Harada, William B. Crandall. “Method for converting crysotile asbestos (US Patent 3,914,184, 1975).” October 21, 1975. US Patent No. 3,914,184. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23018. https://asbestosclaims.law/library/23018.
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