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Helmut G Alt, Syriac J Palackal, M Bruce Welch, David C Rohlfing, Jay Janzen: Method for producing polymer of ethylene. Phillips Petroleum Company, Edward L Bowman, January 20, 1998: US05710224 (60 worldwide citation)

A process for preparing a polymer of ethylene having a flow activation energy higher than that of a substantially linear ethylene polymer of the same molecular weight involving using bridged sandwich-bonded fluorenyl-containing metallocenes and the polymers resulting therefrom.


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G Jay Janzen: Automatic turbidimetric titration. Phillips Petroleum Company, June 13, 1978: US04095272 (15 worldwide citation)

The turbidity of the medium being titrated is continuously measured and an analog signal representative thereof is differentiated. The resulting first derivative signal is compared with a reference signal to produce a control signal when the derivative signal has a predetermined relationship to the ...


3
Helmut G Alt, Syriac J Palackal, Konstantinos Patsidis, M Bruce Welch, Rolf L Geerts, Eric T Hsieh, Max P McDaniel, Gil R Hawley, Paul D Smith, Jay Janzen, Michael Schmid: Unbridged metallocenes of 9-substituted fluorenyl compounds and use thereof. Phillips Petroleum Company, Edward L Bowman, March 11, 1997: US05610247 (15 worldwide citation)

9-substituted fluorenyl-containing metallocenes and their use in the polymerization of olefins is disclosed. In addition, novel 9-cyclohexylfluorenyl or 9-phenylfluorenyl compounds are disclosed. Also methods for preparing such 9-substituted fluorenyl compounds are presented.


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Ashish M Sukhadia, David C Rohlfing, Jay Janzen, Paul J DesLauriers, Jim D Byers, Louis Moore Jr, M Bruce Welch, Syriac J Palackal, William M Whitte, William R Coutant, Kiplin D Cowan: Films comprising metallocene catalyzed polyethylene. Phillips Petroleum Company, Edward L Bowman, April 10, 2001: US06214469 (13 worldwide citation)

A high clarity film containing three layers wherein the polymer of each outer layer is the same or different polyethylene selected from polyethylenes having a density of at least 0.925 g/cc, and a molecular weight distribution of less than 4, and being further characterized by being substantially fr ...


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Jay Janzen: Sample cell. Phillips Petroleum Company, September 1, 1981: US04286881 (11 worldwide citation)

A sample cell with at least one movable lens is provided for spectrophotometric study.


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Ashish M Sukhadia, William R Coutant, Jim D Byers, Louis Moore Jr, M Bruce Welch, Syriac J Palackal, Kiplin D Cowan, David C Rohlfing, Jay Janzen, Paul J DesLauriers, William M Whitte: Polyethylene film. Phillips Petroleum Company, Edward L Bowman, March 12, 2002: US06355359 (7 worldwide citation)

A self supporting film having one or more layers wherein at least one layer has a percent haze of less than 17.8 and the polymer of that layer consists essentially of a polyethylene having a density of at least 0.925 grams per cc, a molecular weight distribution of no more than 4, optionally contain ...


7
Jay Janzen: Process to obtain dynamic shear modulus components of a polymer by using steady-state-flow data. Phillips Petroleum Company, Carl D Corvin, December 8, 1998: US05847267 (4 worldwide citation)

A process to obtain the shear storage modulus G'(.omega.) and/or the shear loss modulus G"(.omega.) of a polymer is provided. This process comprises: (a) producing a viscosity data set by measuring the viscosity of said polymer at various shear rates, while said polymer is in a melted state; (b) pro ...


8
Jay Janzen: Mechanical motion displacement to electrical signal converter. Phillips Petroleum Company, September 4, 1979: US04166950 (1 worldwide citation)

A method and apparatus for converting mechanical motion displacement to an electrical signal is disclosed. A translucent light scattering member is located between a light source and a light sensor capable of generating an electrical signal representative of the intensity of the light received by th ...


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