Patents by Inventor Xianchun Wu
Xianchun Wu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220396546Abstract: A composition having a recycle content value is obtained by reacting a recycle content feedstock to make a recycle content glycol ester by deducting from a recycle inventory a recycle content value applied to a glycol ester composition. At least a portion of the recycle content value in the feedstock or in an allotment obtained by a glycol ester manufacturer has its origin in recycled waste and/or pyrolysis of recycled waste and/or in thermal steam cracking of recycle content pyoil.Type: ApplicationFiled: November 6, 2020Publication date: December 15, 2022Applicant: Eastman Chemical CompanyInventors: David Eugene Slivensky, Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, William Lewis Trapp, Xianchun Wu
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Publication number: 20220396735Abstract: A pyrolysis method and system are provided that utilizes a multistage dehalogenation method to effectively remove halogen-containing compounds that are present in an initial recycled plastic feedstock. More particularly, the multistage dehalogenation system and process may involve physical sorting the plastic feedstock, melting and separating the feedstock, and subjecting the feedstock a two-stage pyrolysis with intermediate HCl removal.Type: ApplicationFiled: October 29, 2020Publication date: December 15, 2022Applicant: Eastman Chemical CompanyInventors: Xianchun Wu, Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, David Eugene Slivensky, Damon Ray Billodeaux
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Publication number: 20220380685Abstract: Processes and systems for making recycle content hydrocarbons, including olefins, are provided that integrate a cracker unit with one or more other processing units. For example, in some cases, a pyrolysis unit and cracking unit may share a common energy exchange zone so that energy from one unit may be transferred to the other. The energy exchange may be direct or indirect and may be present at one or more locations between the units.Type: ApplicationFiled: October 29, 2020Publication date: December 1, 2022Applicant: Eastman Chemical CompanyInventors: Xianchun Wu, Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, David Eugene Slivensky, William Lewis Trapp
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Publication number: 20220380683Abstract: A composition having a recycle content value is obtained by reacting a recycle content feedstock to make a recycle content alpha olefin or by deducting from a recycle inventory a recycle content value applied to an alpha olefin composition. At least a portion of the recycle content value in the feedstock or in an allotment obtained by an alpha olefin manufacturer has its origin in recycled waste and/or pyrolysis of recycled waste and/or in thermal steam cracking of recycle content pyoil.Type: ApplicationFiled: November 6, 2020Publication date: December 1, 2022Applicant: Eastman Chemical CompanyInventors: David Eugene Slivensky, Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, William Lewis Trapp, Xianchun Wu
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Publication number: 20220380692Abstract: Processes and systems for making recycle content hydrocarbons, including olefins, from recycled waste material. Recycle waste material may be pyrolyzed to form recycle content pyrolysis oil composition (r-pyoil), at least a portion of which may then be cracked to form a recycle content olefin composition (r-olefin). The r- olefin may then be further separated into product streams in a separation zone downstream of the cracker furnace. In some cases, presence of recycle content hydrocarbons may facilitate more efficient operation of one or more distillation columns in the separation zone, including the demethanizer.Type: ApplicationFiled: October 29, 2020Publication date: December 1, 2022Applicant: Eastman Chemical CompanyInventors: Michael Gary Polasek, Daryl Bitting, David Eugene Slivensky, Xianchun Wu
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Publication number: 20220380679Abstract: Processes and systems for making recycle content hydrocarbons, including olefins, from recycled waste material. Recycle waste material may be pyrolyzed to form recycle content pyrolysis oil composition (r-pyoil), at least a portion of which may then be cracked to form a recycle content olefin composition (r-olefin). In some cases, a heavy fraction from the cracker effluent may be used to form a recycle content pyrolysis gasoline composition (r-pyrolysis gasoline).Type: ApplicationFiled: October 29, 2020Publication date: December 1, 2022Applicant: Eastman Chemical CompanyInventors: Michael Gary Polasek, Daryl Bitting, David Eugene Slivensky, Xianchun Wu
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Publication number: 20220380283Abstract: A recycle content glycol ether or glycol ether ester and method of making a recycle content glycol ether or glycol ether ester wherein the recycle content is derived directly or indirectly from the cracking of recycle content pyrolysis oil and/or gas. The cracking of the pyrolysis oil can be conducted in a gas furnace or a split furnace.Type: ApplicationFiled: November 6, 2020Publication date: December 1, 2022Applicant: Eastman Chemical CompanyInventors: David Eugene Slivensky, Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, William Lewis Trapp, Xianchun Wu
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Publication number: 20220380680Abstract: A mixed ester composition having a recycle content value is obtained by reacting a recycle content feedstock to make a recycle content mixed ester or by deducting from a recycle inventory a recycle content value applied to a mixed ester composition. At least a portion of the recycle content value in the feedstock or in an allotment obtained by a mixed ester manufacturer has its origin in recycled waste and/or pyrolysis of recycled waste and/or in thermal steam cracking of recycle content pyoil.Type: ApplicationFiled: November 6, 2020Publication date: December 1, 2022Applicant: Eastman Chemical CompanyInventors: David Eugene Slivensky, Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, William Lewis Trapp, Xianchun Wu
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Publication number: 20220380328Abstract: Ethylene oxide composition having a recycle content value is obtained by reacting an ethylene stream containing recycle content ethylene to make a recycle content ethylene oxide or by deducting from a recycle inventory a recycle content value applied to ethylene oxide composition. At least a portion of the recycle content value in the feedstock or in an allotment obtained by ethylene oxide M manufacturer has its origin in recycled waste and/or pyrolysis of recycled waste and/or in thermal steam cracking of recycle content pyoil. An alkylene diol composition and/or an alkylene diol polyester composition having a recycle content value that is obtained by reacting a recycle content feedstock to make a recycle content alkylene diol or alkylene diol polyester or by deducting from a recycle inventory a recycle content value applied to an alkylene diol composition and/or alkylene diol polyester.Type: ApplicationFiled: November 6, 2020Publication date: December 1, 2022Applicant: Eastman Chemical CompanyInventors: David Eugene Slivensky, Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, William Lewis Trapp, Xianchun Wu
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Publication number: 20220371980Abstract: A recycle content oxo glycol and method of making a recycle content oxo glycol wherein the recycle content is derived directly or indirectly from the cracking of recycle content pyrolysis oil and/or gas. The cracking of the pyrolysis oil can be conducted in a gas furnace or a split furnace.Type: ApplicationFiled: November 6, 2020Publication date: November 24, 2022Applicant: Eastman Chemical CompanyInventors: David Eugene Slivensky, Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, William Lewis Trapp, Xianchun Wu
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Publication number: 20220363996Abstract: A pyrolysis method and system are provided that enhances the production of C3 and C4 alkanes in the resulting pyrolysis effluent. More particularly, the disclosed pyrolysis method and system may be configured to enhance the production of C3 and C4 alkanes due to the use of certain pyrolysis catalysts and more intense pyrolysis conditions.Type: ApplicationFiled: October 29, 2020Publication date: November 17, 2022Applicant: Eastman Chemical CompanyInventors: Xianchun Wu, Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, David Eugene Slivensky, Carey Dan Ashcroft, Damon Ray Billodeaux
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Publication number: 20220363862Abstract: A process for preparing a recycle content polyester and a recycle content polyester composition comprising at least one polyester having at least one residue in the polyester derived from a recycle propylene composition are provided.Type: ApplicationFiled: July 29, 2020Publication date: November 17, 2022Applicant: Eastman Chemical CompanyInventors: David Eugene Slivensky, Kenny Randolph Parker, William Lewis Trapp, Daryl Bitting, Michael Gary Polasek, Xianchun Wu
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Publication number: 20220363616Abstract: A recycle content propanol and method of making a recycle content propanol wherein the recycle content is derived directly or indirectly from the cracking of recycle content pyrolysis oil and/or gas. The cracking of the pyrolysis oil can be conducted in a gas furnace or a split furnace.Type: ApplicationFiled: November 6, 2020Publication date: November 17, 2022Applicant: Eastman Chemical CompanyInventors: David Eugene Slivensky, Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, William Lewis Trapp, Xianchun Wu
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Publication number: 20220340821Abstract: A predominantly C2 to C4 hydrocarbon cracker stream is combined with recycle content pyrolysis oil to form a combined cracker stream and the combined cracker stream is cracked in a cracker furnace to provide an olefin-containing effluent. The r-pyoil can be fed to a first coil while a second cracker feed with none of the r-pyoil or less of the r-pyoil is fed to a second coil, and both are cracked in a cracker furnace to form an olefin-containing effluent stream. Alternatively, the r-pyoil can be fed and distributed across multiple coils along with the non-recycle cracker feed. The furnace can be a gas fed furnace, or split cracker furnace. Further, a first cracker stream with r-pyoil in a first coil can have a lower total molar flow rate than a second cracker stream in a second coil in the same furnace.Type: ApplicationFiled: May 22, 2020Publication date: October 27, 2022Applicant: Eastman Chemical CompanyInventors: Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, David Eugene Slivensky, Xianchun Wu, Jerome Leonard Stavinoha, Jr.
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Publication number: 20220325036Abstract: A process for producing recycle polyesters made from organic compounds, e.g., acids and alcohols, derived from recycled, reused or other environmentally favored raw materials by obtaining a recycle monomer composition derived directly or indirectly from cracking a recycle content pyrolysis oil composition and reacting the recycle monomer with recycle DMT obtained directly or indirectly from the depolymerization of terephthalate polyesters to prepare a recycle polyester.Type: ApplicationFiled: July 29, 2020Publication date: October 13, 2022Applicant: Eastman Chemical CompanyInventors: Michael Paul Ekart, Travis Wynn Keever, David Eugene Slivensky, Kenny Randolph Parker, William Lewis Trapp, Daryl Bitting, Michael Gary Polasek, Xianchun Wu
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Publication number: 20220289655Abstract: A recycle content ethylene is fed to a reactor to make propionaldehyde having recycle content. The recycle ethylene feedstock is derived directly or indirectly from the cracking of recycle content pyrolysis oil. The cracking of the pyrolysis oil can be conducted in a gas furnace or a split furnace.Type: ApplicationFiled: May 22, 2020Publication date: September 15, 2022Applicant: Eastman Chemical CompanyInventors: David Eugene Slivensky, Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, William Lewis Trapp, Xianchun Wu
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Publication number: 20220281796Abstract: A process for preparing a recycle content (C4)alkanoic acid (i.e., butyric acid and/or isobutyric acid) derived from a recycle propylene composition, a recycle (C4)alkanal are provided.Type: ApplicationFiled: July 29, 2020Publication date: September 8, 2022Applicant: Eastman Chemical CompanyInventors: David Eugene Slivensky, Kenny Randolph Parker, William Lewis Trapp, Daryl Bitting, Michael Gary Polasek, Xianchun Wu
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Publication number: 20220282163Abstract: A hydrocarbon cracker stream is combined with recycle content pyrolysis oil to form a combined cracker stream and the combined cracker stream is cracked in a cracker furnace to provide an olefin-containing effluent. The r-pyoil can be fed to the cracker feed. Alternatively, the r-pyoil with a predominantly c8+ fraction can be fed to the cracker feed. The furnace can be a gas fed furnace, or split cracker furnace.Type: ApplicationFiled: May 13, 2022Publication date: September 8, 2022Applicant: Eastman Chemical CompanyInventors: Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, David Eugene Slivensky, Xianchun Wu, Jerome Leonard Stavinoha, Jr.
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Publication number: 20220281793Abstract: A recycle content ethylene is fed to a reactor to make propionaldehyde having recycle content. The recycle ethylene feedstock is derived directly or indirectly from the cracking of recycle content pyrolysis oil. The cracking of the pyrolysis oil can be conducted in a gas furnace or a split furnace.Type: ApplicationFiled: July 29, 2020Publication date: September 8, 2022Applicant: Eastman Chemical CompanyInventors: David Eugene Slivensky, Kenny Randolph Parker, William Lewis Trapp, Daryl Bitting, Michael Gary Polasek, Xianchun Wu
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Publication number: 20220267679Abstract: A hydrocarbon cracker stream is combined with recycle content pyrolysis oil to form a combined cracker stream and the combined cracker stream is cracked in a cracker furnace to provide an olefin-containing effluent. The r-pyoil can be fed to the cracker feed. More specifically the-pyoil is present in said feedstock in an amount of not more than 20% by weight, based on the total weight of the feedstock.Type: ApplicationFiled: May 22, 2020Publication date: August 25, 2022Applicant: Eastman Chemical CompanyInventors: Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, David Eugene Slivensky, Xianchun Wu, Jerome Leonard Stavinoha, Jr.