1
John D Hottovy, Frederick C Lawrence, Barry W Lowe, James S Fangmeier: Apparatus and method for producing ethylene polymer. Phillips Petroleum Company, George E Bogatie, October 15, 1996: US05565175 (275 worldwide citation)

An apparatus and method for producing ethylene polymer are provided which employ a conduit in the form of a closed loop (i.e. loop reactor) for receiving a flow of a monomer which includes ethylene, a polymerization catalyst and a diluent therethrough for the polymerization of the monomer to ethylen ...


2
John D Hottovy, Frederick C Lawrence, Nelson T Black: Apparatus for maintaining unreacted monomer concentration in a polymerization reactor. Phillips Petroleum Company, Ryan N Cross, March 28, 2000: US06042790 (31 worldwide citation)

In a polymerization process utilizing a high pressure flash to separate polymer from unreacted monomer contained in the effluent stream from the reactor, the concentration of unreacted monomer in the reaction effluent is determined by withdrawing from the reactor an effective analyzing amount of eff ...


3
John D Hottovy, Frederick C Lawrence, Nelson T Black: Flash gas sampling for polymerization reactions. Phillips Petroleum Company, Ryan N Cross, February 7, 1995: US05387659 (28 worldwide citation)

In a polymerization process utilizing a high pressure flash to separate polymer from unreacted monomer contained in the effluent stream from the reactor, the concentration of unreacted monomer in the reaction effluent is determined by withdrawing from the reactor an effective analyzing amount of eff ...


4
Barry W Lowe, Frederick C Lawrence, John D Hottovy: Apparatus and method for produsing ethylene polymer. Phillips Petroleum Co, DONG JIAYANG, April 29, 1992: CN91105719

An apparatus and method for producing ethylene polymer are provided which employ a conduit means in the form of a closed loop (i.e. loop reactor) for receiving a flow of a monomer which includes ethylene, a polymerization catalyst and a diluent therethrough for the polymerization of the monomer to e ...