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1979-05-03 |
1981-01-27 |
Phillips Petroleum Company |
Activation of supported chromium oxide catalysts
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1979-12-21 |
1983-01-18 |
Phillips Petroleum Company |
Impregnated second valence chromium compound in supported catalyst
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1979-12-21 |
1982-04-20 |
Phillips Petroleum Company |
Impregnated second valence chromium compound in supported catalyst
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1980-02-06 |
1981-11-10 |
Phillips Petroleum Company |
Large pore volume olefin polymerization catalysts
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1980-02-06 |
1982-01-26 |
Phillips Petroleum Co. |
Polymerization catalyst and process
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1980-02-06 |
1981-10-20 |
Phillips Petroleum Company |
Titanium impregnated silica-chromium catalysts
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1980-02-06 |
1981-10-13 |
Phillips Petroleum Company |
Titanium impregnated silica-chromium catalysts
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1980-03-14 |
1982-05-25 |
Phillips Petroleum Company |
Polymerization using a selenium or tellurium treated catalyst
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1980-03-14 |
1981-10-20 |
Phillips Petroleum Company |
Selenium or tellurium treated silica
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1981-04-02 |
1984-07-17 |
Phillips Petroleum Company |
Olefin polymerization method
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1981-04-02 |
1983-08-09 |
Phillips Petroleum Company |
Olefin polymerization catalyst
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1981-07-31 |
1983-05-24 |
Phillips Petroleum Company |
Supported chromium oxide polymerization catalyst
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1981-11-20 |
1984-06-12 |
Phillips Petroleum Company |
Polymerization using partially hydrolyzed silicate treatment of catalyst support
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1981-11-20 |
1983-12-06 |
Phillips Petroleum Company |
Partially hydrolyzed silicate treatment of catalyst support
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1982-01-20 |
1983-07-12 |
Phillips Petroleum Company |
Heating silica gel in inert atmosphere before activation
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1982-01-20 |
1984-03-13 |
Phillips Petroleum Company |
Polymerization using a support formed by heating silica gel in inert atmosphere
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1983-04-04 |
1993-04-06 |
Solvay S.A. |
Method for activating supported chromium oxide catalysts and olefin polymerization process carried out therewith
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1983-04-04 |
1992-03-03 |
Solvay & Cie (Societe Anonyme) |
Method for activating a chromium-containing catalyst supported on a silica-containing base
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1983-06-03 |
1985-12-17 |
Phillips Petroleum Company |
Olefin polymerization using activated chromium catalyst treated with tertiary alcohol
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1984-12-24 |
1992-10-13 |
Phillips Petroleum Company |
Ethylene homopolymer and copolymer polymerization process and the products produced therefrom
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1984-12-24 |
1989-09-26 |
John P. Hogan |
Ethylene homopolymer and copolymer polymerization process and the products produced therefrom
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1986-06-16 |
1988-04-05 |
Phillips Petroleum Company |
In situ comonomer generation in olefin polymerization
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1987-06-12 |
1989-03-15 |
Bcs Spa |
Dispositivo falciante anti-intasamento,dinamicamente compensato
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1987-09-18 |
1992-11-03 |
Elizabeth A. Boggs |
Process for olefin polymerization
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1989-06-01 |
1990-12-06 |
Steinbach Friedrich |
Traegergestuetzte katalysatoren zum entfernen von stickoxiden, kohlenmonoxid und organischen verbindungen aus abgasen
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1989-08-10 |
1995-09-19 |
Phillips Petroleum Company |
Process for olefin polymerization
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1989-10-06 |
1992-12-15 |
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Process for olefin polymerization
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1989-10-06 |
1991-01-29 |
Phillips Petroleum Company |
Process for olefin polymerization
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1990-10-09 |
1991-12-10 |
Phillips Petroleum Company |
High-temperature slurry polymerization of ethylene
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1991-12-18 |
1997-06-12 |
Phillips Petroleum Co |
Verfahren zur Herstellung von Polymerisationskatalysator
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1993-05-24 |
1994-12-13 |
W. R. Grace & Co.-Conn. |
Preparation of catalysts and supports
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1994-05-12 |
1995-11-13 |
Kenneth W. Willcox |
Polymer stabilization
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1997-02-07 |
1998-08-12 |
Fina Research S.A. |
Production of polyethylene having impact resistance
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1997-03-26 |
1998-10-01 |
Beiersdorf Ag |
Duschzubereitungen mit hohem Ölgehalt
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1998-12-18 |
2006-02-28 |
Chevron Phillips Chemical Company Lp |
Process for producing polyolefins
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1998-12-18 |
2005-11-22 |
Chevron Phillips Chemical Company Lp |
Process for producing polyolefins
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1999-03-23 |
2000-12-05 |
Solvay |
Procede pour la production de polymeres de l'ethylene.
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2000-01-24 |
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E. I. Du Pont De Nemours And Company |
Gel catalysts and process for preparing thereof
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E.I. Dupont De Nemours And Company |
Gel catalysts and methods for their use in catalytic dehydrogenation processes
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2004-04-22 |
2005-12-20 |
Chevron Phillips Chemical Company, Lp |
Catalyst systems comprising a calcined chromium catalyst and a non-transition metal cyclopentadienyl cocatalyst
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2004-04-22 |
2007-12-11 |
Chevron Phillips Chemical Company Lp |
Polymers having broad molecular weight distributions and methods of making the same
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2004-04-22 |
2011-04-07 |
Chevron Phillips Chemical Company Lp |
Chromium based polymerization catalyst, the method to prepare it and polymers prepared therewith
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2004-05-12 |
2009-11-10 |
Chevron Phillips Chemical Company Lp |
Methods of activating chromium catalysts
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2007-10-02 |
2009-09-15 |
Chevron Phillips Chemical Company Lp |
Methods of preparing a polymerization catalyst
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2007-12-20 |
2012-02-14 |
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Continuous catalyst activator
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2012-05-22 |
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Fast activating catalyst
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2011-03-22 |
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Methods of preparing a polymerization catalyst
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2009-06-23 |
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Continuous preparation of calcined chemically-treated solid oxides
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System and method for catalyst activation
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2013-03-19 |
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Additives to chromium catalyst mix tank
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2011-04-28 |
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Methods for terminating olefin polymerizations
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2011-11-30 |
2013-07-16 |
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Methods for removing polymer skins from reactor walls
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2011-12-19 |
2013-08-06 |
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Use of hydrogen and an organozinc compound for polymerization and polymer property control
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2012-02-20 |
2014-04-22 |
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Systems and methods for real-time catalyst particle size control in a polymerization reactor
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2012-06-20 |
2019-04-30 |
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Methods for terminating olefin polymerizations
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2012-08-27 |
2014-12-23 |
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Vapor phase preparation of fluorided solid oxides
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2012-09-24 |
2015-01-27 |
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Methods for controlling dual catalyst olefin polymerizations
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2020-05-19 |
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Radically coupled resins and methods of making and using same
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2016-06-28 |
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Polymerization catalysts and polymers
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2013-03-13 |
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Radically coupled resins and methods of making and using same
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2017-07-18 |
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Liquid-solid sampling system for a loop slurry reactor
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2017-05-11 |
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Radically coupled resins and methods of making and using same
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2016-06-09 |
2018-06-26 |
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Methods for increasing polymer production rates with halogenated hydrocarbon compounds
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2020-02-04 |
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Bimodal PE resins with improved melt strength
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2018-09-25 |
2021-10-19 |
Chevron Phillips Chemical Company Lp |
Rapid activation process and activation treatments for chromium catalysts for producing high melt index polyethylenes
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2020-09-15 |
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Systems and methods for polyethylene recovery with low volatile content
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2020-10-15 |
2023-06-13 |
Chevron Phillips Chemical Company Lp |
Polymer composition and methods of making and using same
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2021-02-19 |
2023-02-21 |
Chevron Phillips Chemical Company Lp |
Methods for chromium catalyst activation using oxygen-enriched fluidization gas
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2023-06-15 |
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Production of polyethylene and ethylene oligomers from ethanol and the use of biomass and waste streams as feedstocks to produce the ethanol
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2023-12-19 |
Chevron Phillips Chemical Company Lp |
Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
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Loop slurry periodogram control to prevent reactor fouling and reactor shutdowns
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