Patents Assigned to Eastman Chemical Company
  • RECYCLE CONTENT POLYETHYLENE
    Publication number: 20230135304
    Abstract: A polyethylene composition having a recycle content value is obtained by reacting a recycle content feedstock to make a recycle content polyethylene or by deducting from a recycle inventory a recycle content value applied to a polyethylene composition. At least a portion of the recycle content value in the feedstock or in an allotment obtained by a polyethylene 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, Michael Paul Ekart, David Milton Lange, Aaron Nathanial Edens
  • Recycle pulp comprising cellulose acetate
    Patent number: 11639579
    Abstract: A recycled cellulose pulp composition is provided which comprises recycled cellulosic fibers and cellulose ester staple fibers. A wet-laid fibrous product is also provided which comprises recycled cellulosic fibers and cellulose ester staple fibers. A bailed article is also provided that comprises recycled cellulosic fibers and cellulose ester staple fibers. In embodiments, the recycled cellulosic fibers are present in an amount of 50 wt % or more, based on the total dry weight of fibers, and the cellulose ester staple fibers are present in an amount sufficient to increase the Canadian standard freeness (CSF) of the composition by 5% or more compared to a 100 wt % cellulosic fiber pulp composition processed under similar conditions.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: May 2, 2023
    Assignee: Eastman Chemical Company
    Inventors: Kenny Randolph Parker, Charles Stuart Everett, Melvin Glenn Mitchell
  • CRYSTALLIZABLE SHRINKABLE FILMS AND THERMOFORMABLE SHEETS MADE FROM RESIN BLENDS
    Publication number: 20230128818
    Abstract: The present disclosure relates to crystallizable shrinkable films and thermoformable film(s) or sheet(s) comprising blends of polyester compositions which comprise residues of terephthalic acid, neopentyl glycol (NRG), 1,4-cyclohexanedimethanol (CHDM), ethylene glycol (EG), diethylene glycol (DEG) and/or 2,2,4, 4-tetramethyl-1,3-butanediol (TMCD), in certain compositional ranges having certain advantages and improved properties.
    Type: Application
    Filed: April 6, 2021
    Publication date: April 27, 2023
    Applicant: Eastman Chemical Company
    Inventors: Mark Allen Peters, Jacob E. Napierala, Rondell Paul Little, JR., James Carl Williams, James Wesley Peer
  • COMPOSITIONS FROM THE CHEMICAL RECYCLING OF PLASTIC-DERIVED STREAMS AND USES THEREOF
    Publication number: 20230117658
    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: April 20, 2023
    Applicant: Eastman Chemical Company
    Inventors: Daryl Bitting, David Eugene Slivensky, Xianchun Wu, Bruce Roger DeBruin, Damon Ray Billodeaux
  • Polymer compositions comprising crystalline polymers and a stabilizer composition
    Patent number: 11629224
    Abstract: This invention relates to a polymer composition comprising: (A) at least one semi-crystalline polymer, and (B) a stabilizer composition comprising: (1) at least one primary antioxidant comprising at least one phenolic antioxidant; and (2) at least one secondary antioxidant comprising at least one phosphite, and (3) at least one chain extending agent; wherein the b* value for said polymer composition is less than 10 according to the L*, a* and b* color system of the CIE (International Commission on Illumination) after being heated for at least three hours at 200° C. or 24 hours at 175° C.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: April 18, 2023
    Assignee: Eastman Chemical Company
    Inventors: Robert Erik Young, Mark Allen Peters
  • Biosensor electrodes prepared by physical vapor deposition
    Patent number: 11630075
    Abstract: A biosensor component is provided that provides enhanced characteristics for use in biosensors, such as blood glucose sensors. The biosensor component comprises a substrate, a conductive layer deposited on the substrate, and a resistive material layer deposited on the conductive layer. The conductive layer includes nickel, chromium, and iron, such that a combined weight percent of the nickel and chromium in the conductive layer is in the range of 25 to less than 95 weight percent, the weight percent of nickel in the conductive layer is at least 4 weight percent, the weight percent of chromium in the conductive layer is at least 10 weight percent, the weight percent of iron in the conductive layer at least 2 weight percent, and such that the conductive layer comprises 0 to 20 weight percent molybdenum.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: April 18, 2023
    Assignee: Eastman Chemical Company
    Inventors: Spencer Erich Hochstetler, Senthil Sambandam, Dennis Lee Ashford, II
  • CHEMICAL RECYCLING OF POLYOLEFIN-CONTAINING PLASTIC WASTE AND SOLVOLYSIS COPRODUCT STREAMS
    Publication number: 20230110481
    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: April 13, 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 PLASTIC-DERIVED STREAMS TO A CRACKER SEPARATION ZONE
    Publication number: 20230116183
    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: April 13, 2023
    Applicant: Eastman Chemical Company
    Inventors: Daryl Bitting, David Eugene Slivensky, Xianchun Wu, Michael Paul Ekart, Bruce Roger DeBruin
  • REGIOSELECTIVELY SUBSTITUTED CELLULOSE ESTERS
    Publication number: 20230113238
    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: October 13, 2022
    Publication date: April 13, 2023
    Applicant: Eastman Chemical Company
    Inventors: Casey Lynn Elkins, Robert Jacks Sharpe, Bin Wang
  • Biosensor electrodes prepared by physical vapor deposition
    Patent number: 11624723
    Abstract: A biosensor component is provided that provides enhanced characteristics for use in biosensors, such as blood glucose sensors. The biosensor component comprises a substrate, a conductive layer deposited on the substrate, and a resistive material layer deposited on the conductive layer. The conductive layer includes nickel, chromium, and iron, such that a combined weight percent of the nickel and chromium in the conductive layer is in the range of 25 to less than 95 weight percent, the weight percent of nickel in the conductive layer is at least 8 weight percent, the weight percent of chromium in the conductive layer is at least 10 weight percent, the weight percent of iron in the conductive layer at least 2 weight percent, and such that the conductive layer comprises 0 to 20 weight percent molybdenum.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: April 11, 2023
    Assignee: Eastman Chemical Company
    Inventors: Spencer Erich Hochstetler, Dennis Lee Ashford, II, Senthil Sambandam
  • LOW HYDROXYL CONTENT CELLULOSE ESTER AND POLYMERIC ALIPHATIC POLYESTER COMPOSITIONS AND ARTICLES
    Publication number: 20230100419
    Abstract: A cellulose ester composition is provided comprising at least one low hydroxyl content cellulose ester and at least one polymeric aliphatic polyester (PAP), and optionally at least one impact modifier and/or at least one monomeric plasticizer. Processes for producing the cellulose ester compositions as well as articles made using these compositions are also provided.
    Type: Application
    Filed: March 10, 2021
    Publication date: March 30, 2023
    Applicant: Eastman Chemical Company
    Inventors: John Patrick Quigley, Marcus David Shelby, Wenlai Feng, Thomas Joseph Pecorini
  • FLAME RETARDANT COPOLYESTER COMPOSITIONS
    Publication number: 20230098457
    Abstract: The present invention relates to the combination of certain 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 composition. More specifically, the present invention relates to the use of brominated flame retardant compounds in copolyester compositions to improve the flame retardant properties while surprisingly retaining clarity, glass transition temperature, and impact properties.
    Type: Application
    Filed: February 10, 2021
    Publication date: March 30, 2023
    Applicant: Eastman Chemical Company
    Inventors: Robert Erik Young, John Thomas Hofmann
  • CHEMICAL RECYCLING OF SOLVOLYSIS GLYCOL COLUMN BOTTOMS COPRODUCT STREAMS
    Publication number: 20230103080
    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 30, 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
  • Using Spent Caustic Solution from Pygas Treatment to Neutralize Halogens from Liquified Waste Plastic
    Publication number: 20230089058
    Abstract: Processes and facilities for producing recycled chemical products from waste plastic are described herein. The processes include treating process streams, such as a pyrolysis gas stream and/or at least a portion of a cracker furnace effluent stream, in a caustic scrubber process to remove certain components, such as carbon dioxide. The spent caustic solution from the caustic scrubber process is then recycled and reused in other caustic processes within the facility, which can include a halogen neutralization process from removing halogens from a liquification process off-gas.
    Type: Application
    Filed: September 16, 2022
    Publication date: March 23, 2023
    Applicant: Eastman Chemical Company
    Inventors: Michael Gary Polasek, Daryl Bitting, Xianchun Wu, David Eugene Slivensky
  • TREATED WASTE PLASTIC MATERIALS
    Publication number: 20230087754
    Abstract: Quantities of plastic solids derived from mixed plastic waste are provided. The quantities can comprise polyolefins and/or polyethylene terephthalate and can be co-located with other quantities of plastic solids. The quantities of solids plastics can comprise particulate plastic solids that are suitable for use as feedstocks to various chemical recycling processes.
    Type: Application
    Filed: February 10, 2021
    Publication date: March 23, 2023
    Applicant: Eastman Chemical Company
    Inventors: Bruce Roger DeBruin, Kyle Lyn Collings, Robert Ryan Stanley
  • TREATMENT OF LIGHT PYROLYSIS PRODUCTS BY PARTIAL OXIDATION GASIFICATION
    Publication number: 20230093433
    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 pyrolysis gas, and then subjecting the pyrolysis gas to partial oxidation (POX) gasification to thereby form a syngas composition.
    Type: Application
    Filed: February 10, 2021
    Publication date: March 23, 2023
    Applicant: Eastman Chemical Company
    Inventors: Daryl Bitting, David Eugene Slivensky, Xianchun Wu
  • 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