Stock material or miscellaneous articles – Hollow or container type article – Cellular material derived from plant or animal source
Patent
1983-08-09
1984-11-13
Thomas, Alexander S.
Stock material or miscellaneous articles
Hollow or container type article
Cellular material derived from plant or animal source
4283044, 4283135, 4283166, 428327, 428402, B32B 326, B32B 516
Patent
active
044825900
ABSTRACT:
Novel macrospheres having improved resistance to implosion under hydrostatic pressure. The macrospheres are useful in buoyancy materials and devices.
REFERENCES:
patent: 3622437 (1971-11-01), Hobaica et al.
Bouley Robert W.
Kovar Robert F.
Syncom International, Inc.
Thomas Alexander S.
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