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Frank J. Connelly received US Patent No. 3,863,758 on February 4, 1975, filed November 29, 1973. It was assigned to Hercules Llc.
The patent's abstract:
Thermoplastic molding compositions in a lightweight, flexible form are described. The compositions are produced by sandwiching a pulverulent thermoplastic polymer and preferably a mixture of polypropylene flake with glass fibers, between two films of a thermoplastic polymer compatible with the pulverulent polymer and then heat sealing the resulting sandwich at least along the open edges to encapsulate the pulverulent polymer between the films.
- Author
- Frank J. Connelly
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 3,863,758
- Date
- February 4, 1975
- Library no.
- ACL Doc 23215 · asbestosclaims.law/library/23215
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 437 KB
Where it was listed
- Asbestos, July 1975, in its patents department (the year's issues)
Cite this document
Frank J. Connelly. “Molding compositions (US Patent 3,863,758, 1975).” February 4, 1975. US Patent No. 3,863,758. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23215. https://asbestosclaims.law/library/23215.
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