Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1988-06-17
1991-06-04
Bleutge, John C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521145, 521146, 521149, 523171, 523346, 523351, C08J 322
Patent
active
050214632
ABSTRACT:
A batch process for making a resin includes adding at least one portion of colored resin material to a resin base material of another color and mixing the combination including the colored material only sufficiently to incomplete blend the colored material into the base mix so that the colored material is only partially dispersed in the resin base. The multicolored product may be foamed or unfoamed material.
REFERENCES:
patent: 3239474 (1966-03-01), Cwik
patent: 3275591 (1966-09-01), Tomlinson
patent: 3413249 (1968-11-01), Luftglass et al.
patent: 4153762 (1979-05-01), Lauterberg et al.
patent: 4510271 (1985-04-01), Muhle et al.
patent: 4720514 (1988-01-01), Needham
Bleutge John C.
Packaging Industries Group, Inc.
Woodward David W.
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