Patents Assigned to Eastman Chemical Company
  • Patent number: 11066376
    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: December 18, 2019
    Date of Patent: July 20, 2021
    Assignee: Eastman Chemical Company
    Inventors: Kevin John Fontenot, Mesfin Ejerssa Janka, Kenny Randolph Parker, Ashfaq Shahanawaz Shaikh
  • Patent number: 11059722
    Abstract: The present invention relates to a method for the manufacture of cyclododecasulfur, a cyclic sulfur allotrope wherein the number of sulfur (S) atoms in the allotrope's homocyclic ring is 12. The method includes reacting a metallasulfur derivative with an oxidizing agent in a reaction zone to form a cyclododecasulfur-containing reaction mixture.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: July 13, 2021
    Assignee: Eastman Chemical Company
    Inventors: Scott Donald Barnicki, Robert Thomas Hembre, Elaine Beatrice Mackenzie, Joy Lynn Laningham, Michael Richard Laningham, Shane Kipley Kirk, Larry Wayne Blair, Sumit Chakraborty, Venkateswarlu Bhamidi, Guoxiong Hua, John Derek Woollins
  • Publication number: 20210206738
    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: Application
    Filed: March 22, 2021
    Publication date: July 8, 2021
    Applicant: Eastman Chemical Company
    Inventors: Kevin John Fontenot, Mesfin Ejerssa Janka, Kenny Randolph Parker, Ashfaq Shahanawaz Shaikh
  • Publication number: 20210198449
    Abstract: The present application discloses low cost plastisols with high filler loading and gel points below 77° C.
    Type: Application
    Filed: May 29, 2019
    Publication date: July 1, 2021
    Applicant: Eastman Chemical Company
    Inventor: Curtis Louis Schilling, III
  • Patent number: 11041044
    Abstract: Filament comprising a polymeric material that includes a diacid component comprising from about 40 to 60 mole % of units derived from terephthalic acid and from about 40 to 60 mole % of units derived from a diacid chosen from isophthalic acid, a cyclohexanedicarboxylic acid, a naphthalenedicarboxylic acid, a stilbenedicarboxylic acid, or a combination thereof; a glycol component comprising at least 75 mole % of units derived from cyclohexanedimethanol; wherein the polymeric material has an inherent viscosity loss of 3% or less after being extruded; and method of using this filament in production of different articles by 3D printing are disclosed.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: June 22, 2021
    Assignee: Eastman Chemical Company
    Inventor: Ludovic Gardet
  • Patent number: 11034776
    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: March 27, 2020
    Date of Patent: June 15, 2021
    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 McConnell, David William Norman, Tabatha Stearns, Bin Wang
  • Patent number: 11034820
    Abstract: A cellulose ester composition is provided comprising at least one cellulose ester and at least one ethylene vinyl acetate copolymer and optionally at least one plasticizer. Processes for producing the cellulose ester compositions as well as articles made using these compositions, such as eyeglass frames, automotive parts, and toys are also provided.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: June 15, 2021
    Assignee: Eastman Chemical Company
    Inventors: Haining An, Michael Eugene Donelson, Wenlai Feng, Thomas Joseph Pecorini, Michael John Rodig, Marcus David Shelby
  • Patent number: 11028253
    Abstract: Provided is a resin composition containing: cellulose acylate (A); at least a polymer (B) selected from a group consisting of: a polymer (b1) having a core-shell structure including a core layer containing a butadiene polymer, and a shell layer located on an surface of the core layer and containing a polymer selected from a styrene polymer and an acrylonitrile-styrene polymer; a styrene-ethylene-butadiene-styrene copolymer (b2); polyurethane (b3); and aromatic polyester (b4); and a plasticizer (C). A resin molded article obtained by molding the resin composition satisfies at least one of the following conditions (1) and (2): (1) a heat distortion temperature measured in accordance with an ASTM D648-07 B method is 95° C. or less; and (2) a heat distortion temperature measured in accordance with an ISO 75-2 A method (2013) is 80° C. or less.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: June 8, 2021
    Assignee: Eastman Chemical Company
    Inventors: Kana Miyazaki, Ryo Tanaka, Kenji Yao
  • Patent number: 11027219
    Abstract: Disclosed is an oxidation process to produce a crude carboxylic acid product carboxylic acid product. The process comprises oxidizing a feed stream comprising at least one oxidizable compound to generate a crude carboxylic acid slurry comprising furan-2,5-dicarboxylic acid (FDCA) and compositions thereof. Also disclosed is a process to produce a dry purified carboxylic acid product by utilizing various purification methods on the crude carboxylic acid.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: June 8, 2021
    Assignee: Eastman Chemical Company
    Inventors: Kenny Parker, Mesfin Janka, Ashfaq Shaikh, Lee Partin
  • Patent number: 11027263
    Abstract: Disclosed is an oxidation process to produce a crude carboxylic acid product carboxylic acid product. The process comprises oxidizing a feed stream comprising at least one oxidizable compound to generate a crude carboxylic acid slurry comprising furan-2,5-dicarboxylic acid (FDCA) and compositions thereof. Also disclosed is a process to produce a dry purified carboxylic acid product by utilizing various purification methods on the crude carboxylic acid.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: June 8, 2021
    Assignee: Eastman Chemical Company
    Inventors: Mesfin Ejerssa Janka, Kenny Randolph Parker, Ashfaq Shahanawaz Shaikh, Lee Reynolds Partin
  • Patent number: 11021581
    Abstract: Vulcanizable elastomeric formulation are disclosed. The formulations comprise at least one elastomer; a vulcanizing agent comprising cyclododecasulfur; and a prevulcanization inhibitor, present in an amount, for example, from about 0.01 phr to about 10 phr. The formulations, when vulcanized, provide articles that exhibit improved durability.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: June 1, 2021
    Assignee: Eastman Chemical Company
    Inventors: Scott Donald Barnicki, Frederick Ignatz-Hoover, Robert Thomas Hembre, Andrew Neil Smith, Henk Kreulen, Aruna M. Velamakanni, Chenchy Lin, Ronald H. Arthur
  • Publication number: 20210155795
    Abstract: Disclosed are polymeric compositions that exhibit improved weathering and ultraviolet radiation resistance. The compositions comprise a polymer, at least one ultra-violet light (UV) absorber, at least one primary antioxidant, at least one secondary antioxidant, at least one hindered amine light stabilizer and at least one chain extending agent. In some embodiments the invention comprises a polyester; at least one triazine UV absorber; at least one hindered phenol primary antioxidant; at least one phosphite secondary antioxidant; at least one hindered amine light stabilizer and at least one styrene-acrylate copolymer.
    Type: Application
    Filed: November 21, 2019
    Publication date: May 27, 2021
    Applicant: Eastman Chemical Company
    Inventor: Robert Erik Young
  • Publication number: 20210155750
    Abstract: This invention pertains to polyester compositions and their use in low shear manufacturing processes. More particularly, this invention pertains to polyester compositions that have a sharp transition from solid to flowable melt, a steep viscosity curve with temperature resulting in minimal heating above the melting temperature for good flow and having minimal cooling requirements. The polyesters have particular utility in low shear polymer melt processes such as rotational molding, powder slush molding, powder coating and 3D printing processes. The polyesters are comprised of at least one dicarboxylic acid, at least one dihydroxy alcohol, at least one polyol, and optionally a multi-functionalized acid, alcohol or anhydride branching agent. The polyesters have a puddling curve slope of ?2 to ?20.
    Type: Application
    Filed: November 21, 2019
    Publication date: May 27, 2021
    Applicant: Eastman Chemical Company
    Inventors: Marc Alan Strand, Laura Bauerle Weaver, Robert Erik Young
  • Publication number: 20210154049
    Abstract: This invention pertains to polyester compositions. More particularly, this invention pertains to polyester compositions that have particular utility as component of medical adhesive tapes, topical and transdermal drug delivery patches and cosmetic patches. The polyester is comprised of a diacid selected from the group consisting of a cyclohexane dicarboxylic acid, a dimethylcyclohexane dicarboxylic acid, and combinations thereof and polytetramethylene ether glycol and optionally a branching agent.
    Type: Application
    Filed: November 21, 2019
    Publication date: May 27, 2021
    Applicant: Eastman Chemical Company
    Inventors: Igor Tokarev, Marc Alan Strand
  • Patent number: 11008444
    Abstract: The present invention is generally related to various types of compositions that comprise a polyindane resin. In particular, the polyindane resins may be utilized in various polymer-based and elastomer-based formulations in order to enhance several properties and characteristics of those formulations. More specifically, elastomeric compositions are provided that comprise at least one polyindane resin, which may be used to replace or enhance the functionality of existing hydrocarbon resins used in elastomeric formulations. The elastomeric compositions may be used to produce various tire components.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: May 18, 2021
    Assignee: Eastman Chemical Company
    Inventors: Mark William Ingratta, Soumendra Kumar Basu, Mark Stanley Pavlin, Joseph Alexander Deloach, George Joseph Kutsek, Wei Min Cheng
  • Publication number: 20210139620
    Abstract: A recycle content polystyrene and method of making a recycle content polystyrene 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: Application
    Filed: November 6, 2020
    Publication date: May 13, 2021
    Applicant: Eastman Chemical Company
    Inventors: David Eugene Slivensky, Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, William Lewis Trapp, Xianchun Wu
  • Patent number: 11000816
    Abstract: Disclosed are a variety of amphoteric ester sulfonates, including 3-(N, N-dimethyl-cocoylpropylammonio-1-yl)-2-hydroxypropanesulfonate. These amphoteric ester sulfonates can be advantageously prepared in high yield and purity by a two-step chemoenzymatic process, and have excellent surfactant properties.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: May 11, 2021
    Assignee: Eastman Chemical Company
    Inventors: Neil Warren Boaz, Matthew Allen Boone, Jennifer Michelle Lloyd
  • Publication number: 20210130699
    Abstract: 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, the pyrolysis and cracking may be carried out in different sections of the same furnace, or in different furnaces in the same cracker facility. Pyrolysis conducted in a furnace may or may not require retrofitting a furnace previously used to crack alkanes to form olefins.
    Type: Application
    Filed: October 29, 2020
    Publication date: May 6, 2021
    Applicant: Eastman Chemical Company
    Inventors: Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, David Eugene Slivensky, Xianchun Wu
  • Publication number: 20210130262
    Abstract: 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 fluidized catalytic cracking unit may be used to crack recycle content pyrolysis oil and the effluent from the FCC may be further processed in a conventional cracker unit, including its downstream separation zone, to provide recycle content hydrocarbon product stream. In other cases, a pyrolysis unit and cracking unit may be co-located and may share at least one utility, service group, boundary, conduit, energy exchange zone, and/or geographical area.
    Type: Application
    Filed: October 29, 2020
    Publication date: May 6, 2021
    Applicant: Eastman Chemical Company
    Inventors: Xianchun Wu, Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, David Eugene Slivensky
  • Publication number: 20210130700
    Abstract: A pyrolysis method and system are provided that enhances the production of alkanes and minimizes the production of aromatics in the resulting pyrolysis oil. More particularly, the disclosed pyrolysis method and system may be configured to enhance the production of alkanes due to the use of certain pyrolysis catalysts and more intense pyrolysis conditions.
    Type: Application
    Filed: October 29, 2020
    Publication date: May 6, 2021
    Applicant: Eastman Chemical Company
    Inventors: Xianchun Wu, Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, David Eugene Slivensky, Damon Ray Billodeaux, Rucker Joel Murry