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Lawrence Vincent Gagin received US Patent No. 4,118,239 on October 3, 1978, filed September 6, 1977. It was assigned to Johns Manville Corp.
The patent's abstract:
An alkali-resistant fiberizable glass composition is disclosed, comprising, in parts by weight, SiO 2 , 50-60 parts; Al 2 O 3 , 1-11 parts; ZrO 2 , 4-10 parts; ZnO, 0.5-7 parts; at least one Group IA oxide, 10-19 parts; and at least one Group IIA oxide, 3-15 parts. Glass fiber of this composition is also disclosed, as is a Portland cement matrix reinforced with a plurality of such fibers.
- Author
- Lawrence Vincent Gagin
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 4,118,239
- Date
- October 3, 1978
- Library no.
- ACL Doc 21662 · asbestosclaims.law/library/21662
- 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:
Cited on this site
Cite this document
Lawrence Vincent Gagin. “Alkali-resistant glass fiber composition (US Patent 4,118,239, 1978).” October 3, 1978. US Patent No. 4,118,239. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 21662. https://asbestosclaims.law/library/21662.
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