Patents Assigned to Eastman Chemical Company
  • CHEMICAL RECYCLING OF PROCESSED MIXED PLASTIC WASTE STREAMS
    Publication number: 20230088250
    Abstract: 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: Application
    Filed: February 10, 2021
    Publication date: March 23, 2023
    Applicant: Eastman Chemical Company
    Inventors: Bruce Roger DeBruin, Daryl Bitting, David Eugene Slivensky, Xianchun Wu, Jaclyn Erin Shuman, Timothy Glenn Shaefer, Justin William Murphy, David Milton Lange, Aaron Nathanial Edens
  • Physical vapor deposited biosensor components
    Patent number: 11609205
    Abstract: A biosensor component that provides enhanced characteristics for use in biosensors, such as blood glucose sensors. The biosensor component comprises a substrate, and a composite layer deposited on the substrate. The composite layer includes a conductive metal component and a resistive material component, where the conductive metal component comprises one or more non-noble metals, and where the resistive material component in the composite layer is present in an amount greater than 20 atomic percent.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: March 21, 2023
    Assignee: Eastman Chemical Company
    Inventors: Spencer Erich Hochstetler, Dennis Lee Ashford, II, Senthil Nathan Sambandam
  • CHEMICAL RECYCLING OF PLASTIC-DERIVED STREAMS TO A CRACKER SEPARATION ZONE WITH ENHANCED ENERGY EFFICIENCY
    Publication number: 20230081980
    Abstract: 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: Application
    Filed: February 10, 2021
    Publication date: March 16, 2023
    Applicant: Eastman Chemical Company
    Inventors: Daryl Bitting, David Eugene Slivensky, Xianchun Wu, Bruce Roger DeBruin, Damon Ray Billodeaux
  • CENTRIFUGAL DENSITY SEPARATION OF WASTE PLASTIC
    Publication number: 20230078550
    Abstract: Methods and systems for separating mixed plastic waste are provided herein. The methods generally comprise separating the mixed plastic waste into a PET-enriched stream and one or more PET-depleted streams. The separating may be accomplished using the combinations of two or more density separation stages. Exemplary density separation stages include sink-float separators and centrifugal force separators. The PET-enriched and PET-depleted streams may be recovered and/or directed to downstream chemical recycling processes.
    Type: Application
    Filed: February 10, 2021
    Publication date: March 16, 2023
    Applicant: Eastman Chemical Company
    Inventors: Bruce Roger DeBruin, Kenny Randolph Parker, Charles Stuart Everett, Kyle Lyn Collings, James Stewart Nelson
  • Method for producing purified dialkyl-furan-2,5-dicarboxylate
    Patent number: 11603360
    Abstract: Disclosed is a purified dialkyl furan dicarboxylate (DAFD) vapor composition containing at least 99.5 wt. % DAFD; 5-(alkoxycarbonyl) furan-2-carboxylic acid (ACFC) that, if present, is present in an amount of not more than 1000 ppm, alkyl-5-formylfuran-2-carboxylate (AFFC) that, if present, is present in an amount of not more than 1000 ppm, 5-(dialkoxymethyl)furan-2-carboxylic acid (DAFCA) that if present, is present in an amount of not more than 1000 ppm, and alkyl 5-(dialkoxymethyl)furan-2-carboxylate (ADAFC) that if present, is present in an amount of not more than 1000 ppm, in each case based on the weight of the DAFD vapor composition.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: March 14, 2023
    Assignee: Eastman Chemical Company
    Inventor: Mesfin Ejerssa Janka
  • CHEMICAL RECYCLING OF PLASTIC-DERIVED STREAMS TO A CRACKER SEPARATION ZONE WITH ENHANCED SEPARATION EFFICIENCY
    Publication number: 20230072869
    Abstract: 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: Application
    Filed: February 10, 2021
    Publication date: March 9, 2023
    Applicant: Eastman Chemical Company
    Inventors: Daryl Bitting, David Eugene Slivensky, Xianchun Wu, Bruce Roger DeBruin, Damon Ray Billodeaux
  • BIODEGRADABLE COMPOSITIONS AND ARTICLES MADE FROM CELLULOSE ACETATE
    Publication number: 20230075066
    Abstract: A thermoformable and biodegradable cellulose acetate composition comprising at least one cellulose acetate and either polyethylene glycol or m ethoxy polyethylene glycol are disclosed. The compositions are formed into films, sheets, and articles.
    Type: Application
    Filed: January 20, 2021
    Publication date: March 9, 2023
    Applicant: Eastman Chemical Company
    Inventors: Wayne Ken Shih, Stephanie Kay Clendennen, Jeffrey Michael Clauson, Gaurav Amarpuri
  • TREATMENT OF HEAVY PYROLYSIS PRODUCTS BY PARTIAL OXIDATION GASIFICATION
    Publication number: 20230070315
    Abstract: 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: Application
    Filed: February 10, 2021
    Publication date: March 9, 2023
    Applicant: Eastman Chemical Company
    Inventors: William Lewis Trapp, Daryl Bitting, David Eugene Slivensky, Xianchun Wu, Bruce Roger DeBruin
  • REGIOSELECTIVELY SUBSTITUTED CELLULOSE ESTER BASED NEGATIVE BIREFRINGENT COMPENSATION FILMS HAVING IMPROVED WAVELENGTH DISPERSION
    Publication number: 20230074167
    Abstract: The present application discloses stretched films comprising regioselectively substituted cellulose esters and a component A: (I), (II), (III), or (IV), wherein A, B, C, R1, R2, R5, R6, R8, R9, m, n, and k are defined herein. The films exhibit negative birefringence and improved wavelength dispersion.
    Type: Application
    Filed: February 10, 2021
    Publication date: March 9, 2023
    Applicant: Eastman Chemical Company
    Inventors: Qianqian Zhang, Charles Michael Buchanan, Casey Lynn Elkins, Wesley Wayne McConnell, Bin Wang, Robert Jacks Sharpe, Mustafa Humbel Ahmed
  • PARTICULATE PLASTIC SOLIDS HANDLING APPARATUS AND METHODS
    Publication number: 20230070962
    Abstract: Facilities and systems for handling of particulate plastic solids obtained from a mixed waste plastic separation system are provided. The facilities comprise at least one enclosed structure and an elongate overhead conveyor associated with the at least one enclosed structure that is configured to selectively deposit the particulate plastic solids into a plastic solids transport system that interconnects the handling facility and a plastic chemical recycling facility and/or at least one inventory pile within the at least one enclosed structure.
    Type: Application
    Filed: February 10, 2021
    Publication date: March 9, 2023
    Applicant: Eastman Chemical Company
    Inventors: Bruce Roger DeBruin, James Stewart Nelson, Brandon G Head, Robert Ryan Stanley
  • CHEMICAL RECYCLING OF SOLVOLYSIS REACTOR PURGE COPRODUCT STREAMS
    Publication number: 20230067427
    Abstract: 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: Application
    Filed: February 10, 2021
    Publication date: March 2, 2023
    Applicant: Eastman Chemical Company
    Inventors: 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
  • CHEMICAL RECYCLING OF SOLVOLYSIS TEREPHTHALYL COLUMN BOTTOMS COPRODUCT STREAMS
    Publication number: 20230066496
    Abstract: 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: Application
    Filed: February 10, 2021
    Publication date: March 2, 2023
    Applicant: Eastman Chemical Company
    Inventors: 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
  • NON-HALOGENATED FLAME RETARDANT COPOLYESTER COMPOSITIONS
    Publication number: 20230063699
    Abstract: The present invention relates to the combination of certain halogen- free flame retardant additives in a copolyester to improve the flame retardant properties of the copolyester composition while retaining clarity and impact properties, methods of making the copolyester composition and articles made from the copolyester compositions. More specifically, the present invention relates to the use of oligomeric phosphate ester flame retardant compounds in copolyester compositions to improve the flame retardant properties while retaining clarity, glass transition temperature, and impact properties.
    Type: Application
    Filed: February 10, 2021
    Publication date: March 2, 2023
    Applicant: Eastman Chemical Company
    Inventor: Robert Erik Young
  • CHEMICAL RECYCLING OF SOLVOLYSIS COPRODUCT STREAMS
    Publication number: 20230068710
    Abstract: 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: Application
    Filed: February 10, 2021
    Publication date: March 2, 2023
    Applicant: Eastman Chemical Company
    Inventors: 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
  • BIODEGRADABLE COMPOSITIONS AND ARTICLES MADE FROM CELLULOSE ACETATE
    Publication number: 20230064720
    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: January 20, 2021
    Publication date: March 2, 2023
    Applicant: Eastman Chemical Company
    Inventor: Wayne Ken Shih
  • ARTICLES WITH RECYCLE CONTENT HAVING ENDURING PHYSICAL PROPERTIES COMPARABLE TO VIRGIN
    Publication number: 20230065649
    Abstract: A method of making an article of manufacture is disclosed, wherein the article includes a polymer with recycle content. In one or more embodiments, the polymer with recycle content is selected from the group consisting of (i) a recycle content polyester; and (ii) a recycle content cellulose ester.
    Type: Application
    Filed: August 10, 2022
    Publication date: March 2, 2023
    Applicant: Eastman Chemical Company
    Inventors: Gary Stuart Hawkins, Jeremy Hager Klug, Thomas Joseph Pecorini
  • Regioselectively substituted cellulose esters
    Patent number: 11591411
    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: Grant
    Filed: March 28, 2018
    Date of Patent: February 28, 2023
    Assignee: Eastman Chemical Company
    Inventors: Casey Lynn Elkins, Robert Jacks Sharpe, Bin Wang
  • CELLULOSE ACETATE FIBERS IN NONWOVEN FABRICS
    Publication number: 20230053452
    Abstract: Staple fibers and filament yarns formed from cellulose esters, such as cellulose acetate, are described herein, along with methods of making the fibers and their use in nonwoven fabrics and articles. The filament yarns and fibers described herein may be coated with at least one finish and, in some cases, may be coated with two or more finishes selected to enhance the properties of the fibers. Staple fibers as described herein may be used to produce nonwoven webs that are strong, soft, absorbent, and biodegradable, and may be used in wet or dry nonwoven articles for a variety personal care, medical, industrial, and commercial applications.
    Type: Application
    Filed: July 18, 2022
    Publication date: February 23, 2023
    Applicant: Eastman Chemical Company
    Inventors: Jeremy Kenneth Steach, Scott Gregory Gaynor, Jason Michael Spruell, Mohammad Abouelreesh Hassan, Guo Wei Qin, Yancey Appling, Syed Ali Shah, James M. Posa, Koushik Ghosh, Mounir Izallalen
  • MOLDED ARTICLES FOR USE WITH TERPENE CONTAINING OILS
    Publication number: 20230058559
    Abstract: A shaped article comprising a molded component configured to receive a terpene containing oil composition, said molded component formed of a plastic composition comprising cellulose ester and having an HDT of at least 95° C.
    Type: Application
    Filed: December 30, 2020
    Publication date: February 23, 2023
    Applicant: Eastman Chemical Company
    Inventor: Wenlai Feng
  • BIODEGRADABLE COMPOSITIONS AND ARTICLES MADE FROM CELLULOSE ACETATE
    Publication number: 20230045673
    Abstract: Thermoformable and biodegradable cellulose acetate compositions comprising at least one cellulose acetate at least one plasticizer, and at least one additional component chosen from a filler, additive, biodegradable polymer, stabilizer, or odor modifier are disclosed. The compositions are formed into films, sheets, and articles.
    Type: Application
    Filed: January 20, 2021
    Publication date: February 9, 2023
    Applicant: Eastman Chemical Company
    Inventors: Elizabeth Kathleen Michael-Sapia, Haining An, Michael John Rodig, Michael Eugene Donelson, Kevin Michael Cable, Jos Simon De Wit, Mounir Izallalen, Koushik Ghosh, Stephanie Kay Clendennen