Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1989-10-02
1992-02-11
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524274, 524426, 524575, C08J 000
Patent
active
050876511
ABSTRACT:
A non-toxic rubber-based composition for use in manufacturing toys which contains styrene butadiene rubber, naphthene oil, ester gum, calcium carbonate and a coloring agent, and a method for making same.
REFERENCES:
patent: 4495323 (1985-01-01), Collins
Pop Limited
Reddica J. M.
Schofer Joseph L.
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