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Union Carbide Chemicals & Plastics Technology Corporation

Roy E Craddock, Iii

John M Jenkins, Iii

Michael T Tighe

A method of terminating, under emergency conditions, an olefin polymerization reaction conducted in the presence of a transitioned metal based catalyst in a gas phase reactor by using a recycle gas from the reactor or a feed stream to the reactor to operate an expander associated with a circulator which maintains fluidized conditions in the reactor while introducing a kill gas into the reactor to terminate the reaction.

Method and apparatus for stopping reaction in a gas phase polymerization

A method of terminating, under emergency conditions, an olefin Polymerization reaction conducted in the presence of a transitioned metal based catalyst in a gas phase reactor by using a recycle gas from the reactor or a feed stream to the reactor to operate an expander associated with a circulator which maintains fluidized conditions in the reactor while introducing a kill gas into the reactor to terminate the reaction.

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So. Charleston, WV, United States of America

Roy E Craddock, Iii