Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1983-09-01
1984-09-25
Lieberman, Allan
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
128 90, 128156, 523111, 524456, A61F 1300, C08K 334, C08L 7504
Patent
active
044736711
ABSTRACT:
A cast material comprising a filled crystalline polyurethane is disclosed. The filler is present in an amount of from 30% to 60% by weight composition. The filler comprises from 20% to 60% by weight of calcium metasilicate fibers and from 40.degree. C. to 85.degree. C. by weight of silica.
REFERENCES:
patent: 4105025 (1978-08-01), Wang et al.
patent: 4143655 (1979-03-01), Custer et al.
patent: 4156067 (1979-05-01), Gould
patent: 4233969 (1980-11-01), Lock et al.
patent: 4316457 (1982-02-01), Liegeois
Johnson & Johnson Products Inc.
Lieberman Allan
Tatlow Michael Q.
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