Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1984-03-22
1985-09-03
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521 92, 521 93, 521 94, 521 95, 521138, 525444, C08J 910
Patent
active
045393370
ABSTRACT:
A backing material consisting essentially of a two part phthalallic polyester resin including an expansion agent and a filler in an amount to offset shrinking during curing.
REFERENCES:
patent: 4011195 (1977-03-01), Self
patent: 4314036 (1982-02-01), Throne
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