Material and method for manufacturing plastic parts

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United States of America Patent

PATENT NO 6632525
SERIAL NO

09685444

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A plastic particle is formed of a plastic material having at least one integral protruding ring disposed on its outer surface. The ring may be continuous or intermittent around a perimeter of the plastic particle. Preferably, the particles have an outer diameter in the range of 0.007 inches to 0.040 inches.

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Patent Owner(s)

Patent OwnerAddress
COVESTRO LLC1 COVESTRO CIRCLE PITTSBURGH PA 15205

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Farrington, Stephen D Kingston, NH 6 60
Mazzochi, Kenneth J Dover, NH 1 2

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