Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2007-11-20
2007-11-20
Cain, Edward J. (Department: 1714)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S168000
Reexamination Certificate
active
10915624
ABSTRACT:
A process for producing plasticized polyamide blends containing additives such as tougheners, reinforcing agents, and/or filler. High average molecular weight plasticized blends containing additives may be made using the process of the invention. Pipes and tubing may be made from the blends prepared using the process of the invention.
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patent: 4174358 (1979-11-01), Epstein
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patent: 0 052 944 (1982-06-01), None
Fish, Jr. Robert B.
Mestemacher Steven A.
Cain Edward J.
E.I. du Pont de Nemours and Company
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