Patents Assigned to Eastman Chemical Company
  • CHEMICAL RECYCLING OF SOLVOLYSIS COPRODUCT STREAMS
    Publication number: 20230211394
    Abstract: Chemical recycling facilities for processing mixed waste plastic 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 recovery 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: Application
    Filed: April 13, 2021
    Publication date: July 6, 2023
    Applicant: Eastman Chemical Company
    Inventors: Bruce Roger DeBruin, Michael Paul Ekart, William Lewis Trapp
  • LIQUEFYING AND DEHALOGENATING WASTE PLASTICS
    Publication number: 20230212367
    Abstract: A process and system for liquefying and dehalogenating a waste plastic are provided. Generally, the process comprises: (a) liquefying solid waste plastic to produce a liquefied waste plastic; (b) heating at least a portion of the molten waste plastic in a heat exchanger to thereby provide a heated liquefied waste plastic; (c) sparging a stripping gas into the heated liquefied waste plastic to produce a multi-phase mixture; and (d) disengaging a gaseous phase from a liquid phase of the multi-phase mixture to thereby provide a halogen-enriched gaseous material and a halogen-depleted liquefied waste plastic.
    Type: Application
    Filed: April 13, 2021
    Publication date: July 6, 2023
    Applicant: Eastman Chemical Company
    Inventors: Bruce Roger DeBruin, Daryl Bitting, David Eugene Slivensky, Xianchun Wu, Michael Paul Ekart, David Milton Lange, Aaron Nathaniel Edens
  • CHEMICAL RECYCLING OF WASTE PLASTIC MATERIALS WITH IMPROVED SOLVOLYSIS CATALYST
    Publication number: 20230203270
    Abstract: Chemical recycling facilities for processing mixed waste plastic 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 recovery 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: Application
    Filed: April 13, 2021
    Publication date: June 29, 2023
    Applicant: Eastman Chemical Company
    Inventors: Bruce Roger DeBruin, Michael Paul Ekart, Anne-Martine Sherbeck Jackson, Nathan Mitchell West, Zhufang Liu
  • ENHANCED SEPARATION OF SOLVOLYSIS COPRODUCT STREAMS FOR CHEMICAL RECYCLING
    Publication number: 20230203268
    Abstract: Chemical recycling facilities for processing mixed waste plastic 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 recovery 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: Application
    Filed: April 13, 2021
    Publication date: June 29, 2023
    Applicant: Eastman Chemical Company
    Inventors: Bruce Roger DeBruin, Michael Paul Ekart, Xianchun Wu, David Eugene Slivensky, Daryl Bitting, Anne-Martine Sherbeck Jackson, Nathan Mitchell West, Zhufang Liu
  • CELLULOSE ESTER-BASED COMPOSITIONS AND ARTICLES FORMED THEREFROM
    Publication number: 20230203281
    Abstract: Disclosed is a cellulose ester-based composition, The cellulose ester-based composition of the present invention includes comprising at least 51% by weight cellulose ester based on the total weight of polymer in the composition and polyvinyl acetal. Related calendered articles and flooring articles are also described.
    Type: Application
    Filed: June 3, 2021
    Publication date: June 29, 2023
    Applicant: Eastman Chemical Company
    Inventors: Michael Eugene Donelson, Robert Erik Young
  • CHEMICAL RECYCLING OF METAL-CONTAINING PLASTICS MIXTURES
    Publication number: 20230183439
    Abstract: Processes and facilities for using one or more PET-containing materials as a feedstock to a chemical recycling facility, and in particular a solvolysis facility, are provided herein. The PET-containing materials used as feedstock may comprise a quantity of PET and metal-containing reclaimer co-product. The PET and metal-containing reclaimer co-product may comprise a quantity of plastic articles, plastic flakes, and/or plastic fines, and may be derived from plastic reclaimer separation processes such as eddy current separators. Such metal-containing co-products are generally undesirable or unusable to mechanical PET recycling facilities, and typically are sent to landfills and/or incinerators. However, the processes and facilities described herein make use of the PET and other plastics present in these otherwise undesirable or unusable metal-containing co-products.
    Type: Application
    Filed: April 13, 2021
    Publication date: June 15, 2023
    Applicant: Eastman Chemical Company
    Inventors: Bruce Roger DeBruin, Michael Paul Ekart, Anne-Martine Sherbeck Jackson, Nathan Mitchell West, Zhufang Liu
  • CHEMICAL RECYCLING OF MATERIALS COMPRISING WASTE AUTOMOTIVE CARPET
    Publication number: 20230183443
    Abstract: Chemical recycling facilities for processing mixed waste plastic 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 recovery 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: Application
    Filed: April 13, 2021
    Publication date: June 15, 2023
    Applicant: Eastman Chemical Company
    Inventors: Bruce Roger DeBruin, Michael Paul Ekart, David Milton Lange, Aaron Nathaniel Edens, Anne-Martine Sherbeck Jackson, Nathan Mitchell West, Zhufang Liu
  • CHEMICAL RECYCLING OF RECLAIMER FLAKE REJECT
    Publication number: 20230183441
    Abstract: Processes and facilities for using one or more PET-containing materials as a feedstock to a chemical recycling facility, and in particular a solvolysis facility, are provided herein. The PET-containing materials used as feedstock may comprise a quantity of PET and PVC-containing reclaimer flake reject. The PET and PVC-containing reclaimer flake reject may be derived from various plastic reclaimer separation processes, including density separation. Such flake reject materials are generally undesirable or unusable to mechanical PET recycling facilities due to the PVC content, and typically are sent to landfills and/or incinerators. However, the processes and facilities described herein make use of the PET and other plastics present in these otherwise undesirable or unusable flake reject materials.
    Type: Application
    Filed: April 13, 2021
    Publication date: June 15, 2023
    Applicant: Eastman Chemical Company
    Inventors: Bruce Roger DeBruin, Michael Paul Ekart, Anne-Martine Sherbeck Jackson, Nathan Mitchell West, Zhufang Liu
  • BIODEGRADABLE COMPOSITIONS AND ARTICLES MADE FROM CELLULOSE ACETATE
    Publication number: 20230183449
    Abstract: A foamable composition comprising at least one cellulose acetate, a plasticizer, a nucleating agent, and either a chemical blowing agent or a physical blowing agent is disclosed. The composition is formed into foamed articles that are biodegradable.
    Type: Application
    Filed: September 1, 2022
    Publication date: June 15, 2023
    Applicant: Eastman Chemical Company
    Inventor: Wayne Ken Shih
  • RECYCLED CONTENT TRIACETIN
    Publication number: 20230174455
    Abstract: Recycled content triacetin (r-triacetin) is produced using a process and system that applies physical and/or credit-based recycled content from one or more feed materials to triacetin produced from the feed materials.
    Type: Application
    Filed: November 3, 2022
    Publication date: June 8, 2023
    Applicant: Eastman Chemical Company
    Inventors: Kenneth James Flint, Michael Neil Brown, Hannah Grace Moser, Evan Patrick Beaumier
  • Ultrasonic welding of wet laid nonwoven compositions
    Patent number: 11668050
    Abstract: The present invention relates to ultrasonic welding of compositions, and wet laid articles made from the compositions, containing cellulose fibers and cellulose ester fibers, as well as wet laid processes using the compositions. More specifically, the present invention relates to a wet laid nonwoven comprising cellulose and cellulose ester fibers. The wet laid nonwoven is bonded to itself and/or to other substrates, and this bonding is accomplished at least in part by ultrasonic welding.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: June 6, 2023
    Assignee: Eastman Chemical Company
    Inventors: Charles Stuart Everett, Kenny Randolph Parker, Jeremy Kenneth Steach, Melvin Glenn Mitchell
  • REGIOSELECTIVELY SUBSTITUTED CELLULOSE ESTERS
    Publication number: 20230167201
    Abstract: The present application discloses regioselectively substituted cellulose esters, films made from the regioselectively substituted cellulose esters and methods for making the same. The regioselectively substituted cellulose esters are synthesized using trifluoroacetic anhydride and cellulose with various acyl donors or acyl donor precursors.
    Type: Application
    Filed: January 26, 2023
    Publication date: June 1, 2023
    Applicant: Eastman Chemical Company
    Inventors: Casey Lynn Elkins, Robert Jacks Sharpe, Bin Wang
  • Polymer-based resin compositions derived from cellulose and articles made using these compositions
    Patent number: 11655309
    Abstract: A shaped article comprising a polymer-based resin derived from cellulose, wherein the polymer-based resin has an HDT of at least 95° C., a bio-derived content of at least 20 wt %, a notched izod impact strength of greater than 80 J/m and at least one of the following properties chosen from: flexural modulus of greater than 1900 MPa; a spiral flow length or at least 3.0 cm; a flex creep deflection of less than 12 mm; a transmission of at least 70%; a ?E value of less than 25; or an L* color of at least 85.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: May 23, 2023
    Assignee: Eastman Chemical Company
    Inventors: Wenlai Feng, Haining An, Michael Eugene Donelson, Thomas Joseph Pecorini, Robert Ellis McCrary, Douglas Weldon Carico, Spencer Allen Gilliam
  • Oxidation process to produce 5 methyl 5-methylfuran-2-carboxylate (MMFC)
    Patent number: 11655334
    Abstract: Disclosed herein is a very efficient method to make 5-(alkoxycarbonyl)furan-2-carboxylic acids (ACFC) from feedstocks comprised of furoates. When a feedstock comprised of methyl 5-methylfuran-2-carboxylate (MMFC) is used a product comprised of (5-(methoxycarbonyl)furan-2-carboxylic acid (MCFC) is obtained in high yield.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: May 23, 2023
    Assignee: Eastman Chemical Company
    Inventor: Mesfin Ejerssa Janka
  • Production of purified dialkyl-furan-2,5-dicarboxylate (DAFD) in a retrofitted DMT plant
    Patent number: 11655227
    Abstract: Disclosed is a process to produce a purified vapor comprising dialkyl-furan-2,5-dicarboxylate (DAFD). Furan-2,5-dicarboxylic acid (FDCA) and an alcohol in an esterification zone to generate a crude diester stream containing dialkyl furan dicarboxylate (DAFD), unreacted alcohol, 5-(alkoxycarbonyl)furan-2-carboxylic acid (ACFC), and alkyl furan-2-carboxylate (AFC). The esterification zone comprises at least one reactor that has been previously used in an DMT process.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: May 23, 2023
    Assignee: Eastman Chemical Company
    Inventors: Kevin John Fontenot, Mesfin Ejerssa Janka, Kenny Randolph Parker, Ashfaq Shahanawaz Shaikh
  • Regioselectively substituted cellulose esters and films made therefrom
    Patent number: 11643477
    Abstract: Regioselectively substituted cellulose esters having a plurality of pivaloyl substituents and a plurality of aryl-acyl substituents are disclosed along with methods for making the same. Such cellulose esters may be suitable for use in films, such as +A optical films, and/or +C optical films. Optical films prepared employing such cellulose esters have a variety of commercial applications, such as, for example, as compensation films in liquid crystal displays and/or waveplates in creating circular polarized light used in 3-D technology.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: May 9, 2023
    Assignee: Eastman Chemical Company
    Inventors: Matthew Allen Boone, Christopher Harlan Burk, Peter Borden Mackenzie, Jennifer A. Fish, Eduardo Gallas Cervo, Elaine Beatrice Mackenzie, Robert Joseph Maleski, Wesley Wayne McConnell, David William Norman, Tabatha Stearns, Bin Wang
  • PYROLYSIS OF WASTE PLASTICS IN A FILM REACTOR
    Publication number: 20230139587
    Abstract: A process and system for liquefying and plasticizing a waste plastic in a pyrolysis film reactor are provided. More particularly, a liquefied waste plastic, which may include halogen-depleted molten waste plastics, may be pyrolyzed in a pyrolysis film reactor to form a pyrolysis oil and a pyrolysis gas. The pyrolysis film reactors may include a falling film reactor and/or an upflow film reactor.
    Type: Application
    Filed: April 13, 2021
    Publication date: May 4, 2023
    Applicant: Eastman Chemical Company
    Inventors: Bruce Roger DeBruin, Daryl Bitting, David Eugene Slivensky, Xianchun Wu, Michael Paul Ekart, David Milton Lange, Aaron Nathanial Edens
  • REGIOSELECTIVELY SUBSTITUTED CELLULOSE ESTER BASED C+ COMPENSATION FILMS WITH IMPROVED WAVELENGTH DISPERSION
    Publication number: 20230138841
    Abstract: The present application discloses films comprising regioselectively substituted cellulose esters and a component A wherein rings A, B, C, R1, R2, R5, R6, R8, m, n, and k are defined herein. The films are C+ films that exhibit improved wavelength dispersion.
    Type: Application
    Filed: February 10, 2021
    Publication date: May 4, 2023
    Applicant: Eastman Chemical Company
    Inventors: Qianqian Zhang, Bin Wang, Robert Jacks Sharpe, Wesley Wayne McConnell, Casey Lynn Elkins, Charles Michael Buchanan
  • RECYCLE CONTENT POLYPROPYLENE
    Publication number: 20230134198
    Abstract: A polypropylene composition having a recycle content value is obtained by reacting a recycle content feedstock to make a recycle content polypropylene or by deducting from a recycle inventory a recycle content value applied to a polypropylene composition. At least a portion of the recycle content value in the feedstock or in an allotment obtained by a polypropylene manufacturer has its origin in recycled waste plastics.
    Type: Application
    Filed: April 13, 2021
    Publication date: May 4, 2023
    Applicant: Eastman Chemical Company
    Inventors: Bruce Roger DeBruin, Daryl Bitting, David Eugene Slivensky, Xianchun Wu, William Lewis Trapp
  • RECYCLE CONTENT HYDROGEN
    Publication number: 20230134082
    Abstract: A hydrogen composition having a recycle content value is obtained by processing a recycle content feedstock to make a recycle content hydrogen or by deducting from a recycle inventory a recycle content value applied to a hydrogen composition. At least a portion of the recycle content value in the feedstock or in an allotment obtained by a hydrogen manufacturer has its origin in recycled waste plastics.
    Type: Application
    Filed: April 13, 2021
    Publication date: May 4, 2023
    Applicant: Eastman Chemical Company
    Inventors: Bruce Roger DeBruin, Daryl Bitting, David Eugene Slivensky, Xianchun Wu