Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Process of treating scrap or waste product containing solid...
Patent
1993-05-27
1995-01-31
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Process of treating scrap or waste product containing solid...
521 41, 521 46, 521 47, B29B 1700
Patent
active
053859502
ABSTRACT:
A process for the separation of different polymers, by subjecting a molten polymer mixture containing two or more polymers to a gravity field greater than the Earth's gravity field. The process is useful in the recovery of scrap or waste polymers.
REFERENCES:
patent: 4734484 (1988-03-01), Alfes et al.
E. I. Du Pont de Nemours and Company
Schofer Joseph L.
Weber Tom
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