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US Patent 8703886 Dual activator-support catalyst systems

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Edits on 6 Nov, 2024

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US Patent 12134591 Methanol production from methane utilizing a supported chromium catalyst

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US Patent 12122857 Controlling long-chain branch content with dual activator-supports

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US Patent 12059672 Modified supported chromium catalysts and ethylene-based polymers produced therefrom

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US Patent 12017970 Transition metal-catalyzed production of alcohol and carbonyl compounds from hydrocarbons

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US Patent 11999679 Chromium-catalyzed production of alcohols from hydrocarbons

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US Patent 11998902 Processes for producing fluorided solid oxides and uses thereof in metallocene-based catalyst systems

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US Patent 11993667 Catalyst composition and method for preparing polyethylene

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US Patent 11969718 Modified supported chromium catalysts and ethylene-based polymers produced therefrom

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US Patent 11945938 Bimodal polyethylene copolymers

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US Patent 11945897 Processes for preparing metallocene-based catalyst systems for the control of long chain branch content

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US Patent 11920089 Solid oxide and chemically-treated solid oxide catalysts for the pyrolysis of polyethylene

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US Patent 11865528 Modified supported chromium catalysts and ethylene-based polymers produced therefrom

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Edits on 13 Dec, 2023

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US Patent 11839870 Modified supported chromium catalysts and ethylene-based polymers produced therefrom

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Edits on 1 Dec, 2023

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Patent abstract

Disclosed herein are polymerization processes for the production of olefin polymers. These polymerization processes use a catalyst system containing at least two activator-supports. One activator-support is a halided solid oxide, and the other activator-support is a sulfated solid oxide and/or phosphated solid oxide.

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Patent Citations Received

US Patent 11801502 Hydrocyclone modification of catalyst system components for use in olefin polymerization

Edits on 11 Oct, 2023

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US Patent 11780786 Transition metal-catalyzed production of alcohol and carbonyl compounds from hydrocarbons

Edits on 27 Sep, 2023

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US Patent 11767279 Chromium-catalyzed production of alcohols from hydrocarbons

Edits on 25 Sep, 2023

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Patent Inventor Names

Kathy S. Collins0

Max P. McDaniel0

Qing Yang0

Tony R. Crain0

Edits on 13 Sep, 2023

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Patent Citations Received

US Patent 11753358 Chromium-catalyzed production of alcohols from hydrocarbons

Edits on 7 Jun, 2023

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Patent Citations Received

US Patent 11667777 Bimodal polyethylene copolymers

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