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John Paul Nicol received US Patent No. 3,661,603 on May 9, 1972, filed April 7, 1970. It was assigned to Asbestos Corp Ltd.
The patent's abstract:
A lightweight, rigid composition is prepared by a process comprising mixing water, a cementitious material, asbestos fibers and an anionic surfactant capable of chemically opening the fiber and resistant to alkalis and saponification. The product may be cellular, in which case it may additionally include a different surfactant, a sequestering agent or a colloidal dispersion.
- Author
- John Paul Nicol
- Published by
- US Patent Office
- Series
- US Patent No. 3,661,603
- Date
- May 9, 1972
- Library no.
- ACL Doc 23242 · asbestosclaims.law/library/23242
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, November 1972, in its patents department (the year's issues)
Cited on this site
Cite this document
John Paul Nicol. “Novel lightweight asbestos containing cementitious material and process for producing the same (US Patent 3,661,603, 1972).” May 9, 1972. US Patent No. 3,661,603. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23242. https://asbestosclaims.law/library/23242.
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