1
Marc L DeChellis, John R Griffin: Process for polymerizing monomers in fluidized beds. Exxon Chemical Patents, Jaimes Sher, October 4, 1994: US05352749 (502 worldwide citation)

The invention is directed toward polymerizing or copolymerizing alpha-olefins either alone or in combination with one or more other alpha-olefins in a gas phase reactor having a fluidized bed and a fluidizing medium such that the fluidizing medium entering the reactor comprises a gas and a liquid ph ...


2
John R Griffin, Marc L DeChellis: Process for polymerizing monomers in fluidized beds. Exxon Chemical Patents, Jaimes Sher, July 25, 1995: US05436304 (409 worldwide citation)

The invention is directed toward polymerizing or copolymerizing alpha-olefins either alone or in combination with one or more other alpha-olefins in a gas phase reactor having a fluidized bed and a fluidizing medium such that the fluidizing medium entering the reactor comprises a gas and a liquid ph ...


3
Marc L DeChellis, John R Griffin, Michael E Muhle: Process for polymerizing monomers in fluidized beds. Exxon Chemical Patents, Jaimes Sher, April 11, 1995: US05405922 (254 worldwide citation)

The invention is directed toward polymerizing alpha-olefins either alone or in combination with one or more other alpha-olefins utilizing a bulky ligand transition metal catalyst in a gas phase fluidized bed polymerization reactor operating in condensed mode.


4
John R Griffin, Marc L DeChellis, Michael E Muhle: Process for polymerizing monomers in fluidized beds. Exxon Chemical Patents, Jaimes Sher, October 31, 1995: US05462999 (195 worldwide citation)

The invention is directed toward polymerizing or copolymerizing alpha-olefins either alone or in combination with one or more other alpha-olefins in the presence of a metallocene catalyst in a gas phase reactor having a fluidized bed and a fluidizing medium such that the fluidizing medium entering t ...


5
Patrick Brant, John R Griffin, Michael Elroy Muhle, Dwayne Lee Litteer, Agapios Kyriacos Agapiou, Gary Thomas Renola: Polymerization process. Exxon Chemical Patents, Jaimes Sher, January 27, 1998: US05712352 (31 worldwide citation)

The present invention relates to a continuous process for the polymerization of olefin(s) utilizing a metallocene catalyst or catalyst system in a continuous slurry or gas phase polymerization process. The invention is more particularly drawn to a gas phase polymerization process for polymerizing on ...


6
Raymond H Martin, Ugo S Garganese, John R Griffin: Plasterless articulator. June 29, 1982: US04337039 (14 worldwide citation)

A dental articulator for mounting stone models without the need of plaster, by the use of a flexible model former with a rim around its edge and a square raised nipple, a ferromagnetic disc, magnets and a square keying device on the articulator. This method permits rapid articulation. The models may ...


7
Raymond H Martin, Ugo S Garganese, John R Griffin: Custom denture fabrication technic. May 14, 1985: US04517043 (4 worldwide citation)

A method of fabricating a custom denture using a preformed tooth arch and a custom formed denture base, attaching these units with a self polymerizing plastic, using a plasterless keying articulator in conjuction with an occlusal translator thereby completing the entire fabrication of a custom dentu ...


8
Ugo S Garganese, John R Griffin, Raymond H Martin: Denture occlusal mounting translator. February 19, 1985: US04500289 (4 worldwide citation)

A denture occlusal mounting translator to transfer the patient's occlusal measurements in the exact location by the positioning of the model to set artificial teeth to the patient's interoral plane, eliminating the need of a wax occlusal rim.


9
Marc L Dechellis, John R Griffin, Marc L Dechellis, John R Griffin: Process for polymerizing monomers in fluidized beds. Exxon Chemical Patents Exxon Chemical Patents, WU DAJIAN, November 30, 1994: CN93105791

A method for determining stable operation region in gas-phase fluidized bed polymerization and a gas-phase polymerization process are disclosed. The determining method for gas-phase fluidized bed polymerization reactor in condensing mode includes to view the FBD variation relative to the change in c ...


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