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Richard F. Shannon received US Patent No. 3,923,674 on December 2, 1975, filed January 2, 1970. It was assigned to Owens Corning Fiberglas Corp.
The patent's abstract:
A strong light weight insulation material having a calcium silicate binder and which inhibits corrosion of stainless steel. The insulation material is substantially devoid of the usual soluble chloride impurities, and includes from 1 to approximately 15 percent of sodium or potassium silicate, and preferably has no more than 1000 parts of chloride ion in 1 million parts of the insulation material. The disclosure also teaches a method of forming the insulation wherein a slurry substantially devoid of soluble silicates is molded into a desired shape. A solution of sodium silicate is then filtered through the shape following which formation of the calcium silicate binder is completed.
- Author
- Richard F. Shannon
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 3,923,674
- Date
- December 2, 1975
- Library no.
- ACL Doc 23759 · asbestosclaims.law/library/23759
- 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. 379, note 62
Cited on this site
Cite this document
Richard F. Shannon. “Thermal insulation materials and methods of making same (US Patent 3,923,674, 1975).” December 2, 1975. US Patent No. 3,923,674. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23759. https://asbestosclaims.law/library/23759.
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