Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Patent
1980-09-17
1983-04-12
Herbert, Jr., Thomas J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Physical dimension specified
428334, 428480, 428483, 428511, 428514, 428515, 428520, 428913, B32B 2308, B32B 2708, B32B 2710, B32B 2736
Patent
active
043798047
ABSTRACT:
Composite, liquid-sorbent media which can be applied to various substrates to provide improved liquid-sorbent materials. The composite media comprise a liquid-sorbent underlayer and, overlying said underlayer, a liquid-permeable surface layer, the liquid sorptivity of said underlayer being greater than the liquid sorptivity of said surface layer. Transparent sheets having the liquid-sorbent composite media coated on the surface are described as a preferred embodiment of the invention.
REFERENCES:
patent: 3661874 (1972-05-01), Olson
patent: 4225652 (1980-09-01), Mercer et al.
Eisele John F.
Mercer Elizabeth A.
Alexander Cruzan
Bovee Warren R.
Herbert, Jr. Thomas J.
Minnesota Mining and Manufacturing Company
Sell Donald M.
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