Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1991-11-21
1992-10-20
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524 56, 524503, C08L 500
Patent
active
051570637
ABSTRACT:
The present invention relates to a modeling paste intended particularly for children, characterized by the fact that it consists of expanded polystyrene beads, said beads being uniformly immersed in a synthetic resin which constitutes a binder, by the fact that said paste does not flow, and by the fact that it has sufficient elasticity to provide suitable rebound when used as a ball. It also relates to a process for manufacturing said paste.
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DeWitt LaVonda R.
Michl Paul R.
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