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Seymour Hartman and Catherine M. Sheridan received US Patent No. 4,176,115 on November 27, 1979, filed May 6, 1977. It was assigned to Champion International Corp.
The patent's abstract:
A fire-resistant construction material is disclosed. This construction material is composed of an incombustible component, ordinarily including flame-retardant and intumescent agents, intimately dispersed and fixed into a rigid panel by a binder of melamine formaldehyde resin.
- Author
- Seymour Hartman; Catherine M. Sheridan
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 4,176,115
- Date
- November 27, 1979
- Library no.
- ACL Doc 22318 · asbestosclaims.law/library/22318
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 389 KB
Where it was listed
- Asbestos, February 1980, in its patents department (the year's issues)
Cite this document
Seymour Hartman, Catherine M. Sheridan. “Fire-resistant construction material (US Patent 4,176,115, 1979).” November 27, 1979. US Patent No. 4,176,115. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 22318. https://asbestosclaims.law/library/22318.
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