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US Patent 10513570 Methods of preparing a catalyst

Patent 10513570 was granted and assigned to Chevron Phillips Chemical on December, 2019 by the United States Patent and Trademark Office.

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Is a
Patent
Patent
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Patent attributes

Patent Applicant
Chevron Phillips Chemical
Chevron Phillips Chemical
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Current Assignee
Chevron Phillips Chemical
Chevron Phillips Chemical
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
105135700
Patent Inventor Names
Kathy S. Clear0
Max P. McDaniel0
Eric D. Schwerdtfeger0
Jeremy M. Praetorius0
Date of Patent
December 24, 2019
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Patent Application Number
158161450
Date Filed
November 17, 2017
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Patent Citations
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US Patent 10323109 Methods of preparing a catalyst utilizing hydrated reagents
Patent Citations Received
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US Patent 12077627 Aqueous methods for titanating a chromium/silica catalyst with an alkali metal
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US Patent 11801490 Methods of preparing a catalyst
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US Patent 11383222 Methods of preparing a catalyst with low HRVOC emissions
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US Patent 11384179 Methods of preparing a catalyst
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US Patent 11976142 Methods of preparing a catalyst
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US Patent 12005425 Methods of preparing a catalyst with low HRVOC emissions
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US Patent 11472897 Methods of preparing a catalyst
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Patent Primary Examiner
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Catherine S Branch
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Patent abstract

A method of preparing a catalyst comprising a) contacting a non-aqueous solvent, a carboxylic acid, and a chromium-containing compound to form an acidic mixture; b) contacting a titanium-containing compound with the acidic mixture to form a titanium treatment solution; c) contacting a pre-formed silica-support comprising from about 0.1 wt. % to about 20 wt. % water with the titanium treatment solution to form a pre-catalyst; and d) thermally treating the pre-catalyst to form the catalyst. A method of preparing a catalyst comprising a) contacting a non-aqueous solvent and a carboxylic acid to form an acidic mixture; b) contacting a titanium-containing compound with the acidic mixture to form a titanium treatment solution; c) contacting a pre-formed chrominated silica-support comprising from about 0.1 wt. % to about 20 wt. % water with the titanium treatment solution to form a pre-catalyst; and d) thermally treating the pre-catalyst to form the catalyst.

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