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Peter Schaefer, Marcel Capaul, Wolfgang Griehl and Peter Meier received US Patent No. 4,199,366 on April 22, 1980, filed November 20, 1978. It was assigned to Inventa AG fuer Forschung und Patentverwertung.
The patent's abstract:
The present invention provides for a novel fiber-reinforced cement-like material which is characterized by having short polyvinyl alcohol fibers in an amount of at least 2 volume % based on the total volume of said material. These fibers have an elongation at break of between about 4 and 8% and a modulus of more than 130 g/dtex. A process for the preparation of said material is also disclosed.
- Author
- Peter Schaefer; Marcel Capaul; Wolfgang Griehl; Peter Meier
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 4,199,366
- Date
- April 22, 1980
- Library no.
- ACL Doc 22270 · asbestosclaims.law/library/22270
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, December 1980, in its patents department (the year's issues)
Cited on this site
Cite this document
Peter Schaefer, Marcel Capaul, Wolfgang Griehl, Peter Meier. “Fiber-reinforced cement-like material (US Patent 4,199,366, 1980).” April 22, 1980. US Patent No. 4,199,366. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 22270. https://asbestosclaims.law/library/22270.
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