Patents by Inventor David Eugene Slivensky
David Eugene Slivensky 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: 20230070315Abstract: Methods and systems are provided for the conversion of waste plastics into various useful downstream recycle-content products. More particularly, the present system and method involves pyrolyzing one or more waste plastics into various pyrolysis products, including a carbon solids-containing pyrolysis residue, and then subjecting the pyrolysis residue to partial oxidation gasification to thereby form a syngas composition.Type: ApplicationFiled: February 10, 2021Publication date: March 9, 2023Applicant: Eastman Chemical CompanyInventors: William Lewis Trapp, Daryl Bitting, David Eugene Slivensky, Xianchun Wu, Bruce Roger DeBruin
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Publication number: 20230072869Abstract: Methods and systems are provided for the conversion of waste plastics into various useful downstream recycle-content products. More particularly, the present system and method involves integrating a pyrolysis facility with a cracker facility by introducing at least a stream of r-pyrolysis gas into the cracker facility. In the cracker facility, the r-pyrolysis gas may be separated to form one or more recycle content products, and can enhance the operation of the facility.Type: ApplicationFiled: February 10, 2021Publication date: March 9, 2023Applicant: Eastman Chemical CompanyInventors: Daryl Bitting, David Eugene Slivensky, Xianchun Wu, Bruce Roger DeBruin, Damon Ray Billodeaux
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Publication number: 20230068710Abstract: Chemical recycling facilities for processing mixed plastic waste are provided herein. Such facilities have the capability of processing mixed plastic waste streams and utilize a variety of recycling facilities, such as, for example, solvolysis facility, a pyrolysis facility, a cracker facility, a partial oxidation gasification facility, an energy generation/energy production facility, and a solidification facility. Streams from one or more of these individual facilities may be used as feed to one or more of the other facilities, thereby maximizing recovery of valuable chemical components and minimizing unusable waste streams.Type: ApplicationFiled: February 10, 2021Publication date: March 2, 2023Applicant: Eastman Chemical CompanyInventors: Bruce Roger DeBruin, Daryl Bitting, David Eugene Slivensky, Xianchun Wu, William Lewis Trapp, Travis Wynn Keever, Michael Paul Ekart, Jaclyn Erin Shuman, Timothy Glenn Schaefer, Justin William Murphy, David Milton Lange, Aaron Nathaniel Edens
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Publication number: 20230067427Abstract: Chemical recycling facilities for processing mixed plastic waste are provided herein. Such facilities have the capability of processing mixed plastic waste streams and utilize a variety of recycling facilities, such as, for example, solvolysis facility, a pyrolysis facility, a cracker facility, a partial oxidation gasification facility, an energy generation/energy production facility, and a solidification facility. Streams from one or more of these individual facilities may be used as feed to one or more of the other facilities, thereby maximizing recovery of valuable chemical components and minimizing unusable waste streams.Type: ApplicationFiled: February 10, 2021Publication date: March 2, 2023Applicant: Eastman Chemical CompanyInventors: Bruce Roger DeBruin, Daryl Bitting, David Eugene Slivensky, Xianchun Wu, William Lewis Trapp, Travis Wynn Keever, Michael Paul Ekart, Jaclyn Erin Shuman, Timothy Glenn Schaefer, Justin William Murphy, David Milton Lange, Aaron Nathaniel Edens
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Publication number: 20230066496Abstract: Chemical recycling facilities for processing mixed plastic waste are provided herein. Such facilities have the capability of processing mixed plastic waste streams and utilize a variety of recycling facilities, such as, for example, solvolysis facility, a pyrolysis facility, a cracker facility, a partial oxidation gasification facility, an energy generation/energy production facility, and a solidification facility. Streams from one or more of these individual facilities may be used as feed to one or more of the other facilities, thereby maximizing recovery of valuable chemical components and minimizing unusable waste streams.Type: ApplicationFiled: February 10, 2021Publication date: March 2, 2023Applicant: Eastman Chemical CompanyInventors: Bruce Roger DeBruin, Daryl Bitting, David Eugene Slivensky, Xianchun Wu, Travis Wynn Keever, Michael Paul Ekart, Jaclyn Erin Shuman, Timothy Glenn Schaefer, Justin William Murphy, David Milton Lange, Aaron Nathaniel Edens
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Publication number: 20230002524Abstract: A poly(vinyl acetal) composition, such as a poly(vinyl butyral) composition or resin, can be made containing recycle content by the use of a recycle content aldehyde composition as a feedstock to make the PVA or by application of a recycle allotment, such as an allocation or credit, applied to either the aldehyde composition or to the PVA composition. The recycle content is obtained by cracking a recycle content pyrolysis oil to make a variety of olefins, such as propylene or ethylene.Type: ApplicationFiled: November 6, 2020Publication date: January 5, 2023Applicant: 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: 20220402845Abstract: A composition having a recycle content value is obtained by reacting a recycle content feedstock to make a recycle content oxo alcohol or oxo plasticizer or by deducting from a recycle inventory a recycle content value applied to an oxo alcohol or oxo plasticizer composition. At least a portion of the recycle content value in the feedstock or in an allotment obtained by an oxo alcohol or oxo plasticizer 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 22, 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: 20220403259Abstract: 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 deethanizer and ethylene fractionator.Type: ApplicationFiled: October 29, 2020Publication date: December 22, 2022Applicant: Eastman Chemical CompanyInventors: Daryl Bitting, Xianchun Wu, David Eugene Slivensky, Michael Gary Polasek
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Publication number: 20220403053Abstract: A recycle content cellulose ester and method of making a recycle content cellulose 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 22, 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: 20220403260Abstract: 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. The presence of recycle content hydrocarbons may facilitate more efficient operation of one or more distillation columns in the separation zone, including the propylene fractionator.Type: ApplicationFiled: October 29, 2020Publication date: December 22, 2022Applicant: Eastman Chemical CompanyInventors: Daryl Bitting, Xianchun Wu, David Eugene Slivensky, Michael Gary Polasek
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Publication number: 20220402006Abstract: A pyrolysis method and system are provided that may utilize a recycled plastic feedstock that comprises various types of waste plastics or a feedstock that comprises various types of waste plastics and at least one crude post-industrial liquid waste. The disclosed pyrolysis method and system may be configured to convert various types of waste plastics, including post-customer and post-industrial wastes, and/or crude post-industrial liquid wastes into useful pyrolysis oils.Type: ApplicationFiled: October 29, 2020Publication date: December 22, 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: 20220402860Abstract: An alkanolamine composition having a recycle content value is obtained by reacting a recycle content feedstock to make a recycle content alkanolamine or by deducting from a recycle inventory a recycle content value applied to an alkanolamine composition. At least a portion of the recycle content value in the feedstock or m an allotment obtained by an alkanolamine 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 22, 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: 20220403254Abstract: 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 debutanizer.Type: ApplicationFiled: October 29, 2020Publication date: December 22, 2022Applicant: Eastman Chemical CompanyInventors: Michael Gary Polasek, Daryl Bitting, David Eugene Slivensky, Xianchun Wu, Carey Dan Ashcroft, Jerome Leonard Stavinoha, Jr.
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Publication number: 20220403255Abstract: Processes and systems for making recycle content hydrocarbons, including olefins, using a cracker furnace having enhanced coil design. In some cases, the design of the furnace may prevent coking, so that the run length of the furnace is longer than conventional cracking furnaces. Cracker feed streams to the furnace can include recycle content pyrolysis oil and may be used to form olefin-containing effluent stream having recycle content.Type: ApplicationFiled: October 29, 2020Publication date: December 22, 2022Applicant: Eastman Chemical CompanyInventors: Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, David Eugene Slivensky, Xianchun Wu
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Publication number: 20220396736Abstract: A pyrolysis method and system are provided that utilizes a hydrogen gas or steam in order to enhance the pyrolysis oils produced from recycled plastic wastes. More particularly, the disclosed pyrolysis method and system may be configured to co-feed a hydrogen gas or steam and various types of waste plastics, including post-customer and post-industrial wastes, into a pyrolysis unit and thereby produce desirable pyrolysis oils.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
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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: 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: 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