Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1974-09-26
1976-04-27
Van Balen, William J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
260 25F, 428313, 428314, B32B 326
Patent
active
039536459
ABSTRACT:
Phenolic polymers which can be produced by reacting ortho-cresol with other phenolic materials, such as phenol, are described. Phenolic compositions comprising these phenolic polymers mixed with other phenolic materials, cellular materials produced from these phenolic polymers having low friability, and related processes and products are also described.
REFERENCES:
patent: 3081269 (1963-03-01), Shannon et al.
patent: 3835208 (1974-09-01), Koutitonsky
Grace James W.
Murphy David R.
The Celotex Corporation
Van Balen William J.
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