Coating processes – Foraminous product produced – Filter – sponge – or foam
Patent
1990-10-24
1993-03-30
Lawrence, Evan
Coating processes
Foraminous product produced
Filter, sponge, or foam
427373, B05D 302, B05D 500
Patent
active
051982714
ABSTRACT:
A method for producing a polyolefin foam sheet which includes heating a foamable base sheet comprising a polyolefin resin, a foaming agent, and a resin varnish. The resin of the varnish is selected from the group consisting of rosin, cumarone-indene resin, phenolic resin, alkyd resin, and shellac resin.
REFERENCES:
patent: 4663361 (1987-05-01), Park
Fukuda Hiroya
Ishii Seiji
Kondo Osamu
Ohashi Takashi
Ohta Hiroshi
Bridgestone Corporation
Lawrence Evan
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