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Martin E. Cupery received US Patent No. 3,314,916 on April 18, 1967, filed July 22, 1963.
The patent's description opens:
This invention relates to a process by which asbestos and other fibrous materials may be intimately and uniformly blended with tetrafiuoroethylene polymer and the composition then converted to essentially nonporous structures which have outstanding properties as packing and gasket materials.
- Author
- Martin E. Cupery
- Published by
- US Patent Office
- Series
- US Patent No. 3,314,916
- Date
- April 18, 1967
- Library no.
- ACL Doc 23433 · asbestosclaims.law/library/23433
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, June 1967, in its patents department (the year's issues)
Cited on this site
Cite this document
Martin E. Cupery. “Process for making fiber-filled polytetrafluoroethylene packing materials (US Patent 3,314,916, 1967).” April 18, 1967. US Patent No. 3,314,916. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23433. https://asbestosclaims.law/library/23433.
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