Patents Assigned to Eastman Chemical Company
  • Patent number: 10077343
    Abstract: A process for producing elastomeric composition is provided comprising mixing at least one elastomer, at least one cellulose ester additive, at least one methylene acceptor, at least one methylene donor, and optionally, at least one filler; wherein the cellulose ester additive comprises at least one cellulose ester. The cellulose ester additive can also comprise at least one compatibilizer and/or plasticizer.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: September 18, 2018
    Assignee: Eastman Chemical Company
    Inventors: Haining An, Pruthesh Hariharrao Vargantwar, Bradley James Helmer, Mark Arigo, Soumendra Kumar Basu
  • Patent number: 10077342
    Abstract: An elastomeric composition is provided comprising at least one elastomer, at least one cellulose ester additive, at least one methylene acceptor, at least one methylene donor, and optionally, at least one filler; wherein the cellulose ester additive comprises at least one cellulose ester. The cellulose ester additive can also comprise at least one compatibilizer and/or plasticizer.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: September 18, 2018
    Assignee: Eastman Chemical Company
    Inventors: Haining An, Pruthesh Hariharrao Vargantwar, Bradley James Helmer, Mark Arigo, Soumendra Kumar Basu
  • Publication number: 20180258189
    Abstract: Regioselectively substituted cellulose esters having a plurality of aryl-acyl substituents and a plurality of alkyl-acyl substituents are disclosed along with methods for making the same. Such cellulose esters may be suitable for use in optical films, such as optical films having certain Nz values, ?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: Application
    Filed: May 9, 2018
    Publication date: September 13, 2018
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: CHARLES MICHAEL BUCHANAN, MICHAEL EUGENE DONELSON, ELIZABETH GUZMAN-MORALES, PETER BORDEN MACKENZIE, BIN WANG
  • Patent number: 10070516
    Abstract: Herein disclosed are s extruded and multilayer films suitable for use as a substrate for printed circuits that afford the simultaneous achievement of both excellent mechanical properties, printability and ink curing stability, flexability and stretchability, and electronic performance. The films can be prepared from cycloaliphatic polymers and polyester elastomers.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: September 4, 2018
    Assignee: Eastman Chemical Company
    Inventors: Wayne Ken Shih, Kimberley Carmenia Carico
  • Patent number: 10065180
    Abstract: The invention relates to a catalyst composition comprising a mixed oxide of vanadium, titanium, and phosphorus modified with alkali metal. The titanium component is derived from a water-soluble, redox-active organo-titanium compound. The catalyst composition is highly effective at facilitating the vapor-phase condensation of formaldehyde with acetic acid to generate acrylic acid, particularly using an industrially relevant aqueous liquid feed.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: September 4, 2018
    Assignee: Eastman Chemical Company
    Inventors: David William Norman, Greg Alan King
  • Patent number: 10065404
    Abstract: A process for in-line laminating a heavy-gauge transparent polymer sheet with a pre-pre-formed polymer film to produce a laminated polymer sheet. The pre-formed polymer film can impart one or more aesthetic or functional elements to the heavy-gauge polymer sheet. The resulting laminate can have equivalent, or enhanced, properties as compared to conventionally-prepared laminates and can be formed into a variety of articles with multiple end uses.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: September 4, 2018
    Assignee: Eastman Chemical Company
    Inventors: Ryan Thomas Neill, Patsy Jeanine Barton, Jill Ellen Cline, James Hubert David, David Gayle Salyer
  • Publication number: 20180223126
    Abstract: The present invention provides crosslinked polyester compositions for use in coating metal. The polyester comprises residues of at least one aromatic acid; 2,2,4,4-tetramethyl-1,3-cyclobutanediol and at least one polyol different than 2,2,4,4-tetramethyl-1,3-cyclobutanediol wherein the polyester has a glass transition temperature greater than 75° C., an acid value of 1 mg KOH/g to 6 mg KOH/g, and a number average absolute molecular weight of 4000 g/mol to 18000 g/mol. The compositions are useful for coating metal surfaces for food contact applications and are particularly useful for coating metal can ends.
    Type: Application
    Filed: May 26, 2017
    Publication date: August 9, 2018
    Applicant: Eastman Chemical Company
    Inventors: Damiano Beccaria, Jeremy Richard Lizotte, Sandra Case, Jessica Lee Nichol
  • Publication number: 20180215725
    Abstract: A process for purifying a crude furan 2,5-dicarboxylic acid composition (cFDCA) by hydrogenation of a FDCA composition dissolved in a hydrogenation solvent such as water, and hydrogenating under mild conditions, such as at a temperature within a range of 130° C. to 225° C. by contacting the solvated FDCA composition with hydrogen in the presence of a hydrogenation catalyst under a hydrogen partial pressure within a range of 10 psi to 900 psi.
    Type: Application
    Filed: March 29, 2018
    Publication date: August 2, 2018
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: MESFIN EJERSSA JANKA, Kenny Randolph Parker, Ashfaq Shahanawaz Shaikh, Lee Reynolds Partin, Charles Edwan Sumner, Shane Kipley Kirk
  • Patent number: 10035995
    Abstract: The invention relates to amino acid sequence variants of a lipase with improved activity for catalyzing synthesis reactions and methods of preparing the variants. The methods include predicting amino acid sites for change based on computational models of the protein structure in non-aqueous conditions, and expressing the protein in a prokaryotic host for subsequent purification and use. The enzyme sequence variants described have a three to nine-fold improvement in synthesis activity over the parent protein sequence.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: July 31, 2018
    Assignees: Eastman Chemical Company, North Carolina State University
    Inventors: Stephanie Kay Clendennen, Yaroslava Georgievna Yingling, Hoshin Kim
  • Publication number: 20180201596
    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: Application
    Filed: March 15, 2018
    Publication date: July 19, 2018
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: MESFIN EJERSSA JANKA, KENNY RANDOLPH PARKER, ASHFAQ SHAHANAWAZ SHAIKH, LEE REYNOLDS PARTIN
  • Patent number: 10017606
    Abstract: A molded article comprising at least one polyester which comprises: (a) a dicarboxylic acid component comprising: i) 95 to 99.99 mole % of terephthalic acid residues; and ii) 0.01 to 5 mole % of isophthalic acid; and (b) a glycol component comprising: i) 5 to 15 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; ii) 85 to 95 mole % of 1,4-cyclohexanedimethanol residues; and iii) 5 mole % or less of modifying glycols which are not 2,2,4,4-tetramethyl-1,3-cyclobutanediol or cyclohexanedimethanol, wherein the polyester has an inherent viscosity from 0.80 to 1.0 dL/g and a glass transition temperature (Tg) of 90 to 110° C., and wherein the molded article does not contain polycarbonate.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: July 10, 2018
    Assignee: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell, Ted Calvin Germroth, Benjamin Fredrick Barton, Damon Bryan Shackelford
  • Publication number: 20180185801
    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: Application
    Filed: March 1, 2018
    Publication date: July 5, 2018
    Applicant: Eastman Chemical Company
    Inventors: Neil Warren BOAZ, Matthew Allen BOONE, Jennifer Michelle LLOYD
  • Patent number: 10011663
    Abstract: A vulcanizing composition useful for the vulcanization of vulcanizable formulations is disclosed. The vulcanizing composition includes a vulcanizing agent which in turn includes a cyclododecasulfur compound. A cyclododecasulfur compound characterized by a DSC melt point onset of between 155° C. and 167° C. when measured at a DSC heat rate of 20° C./minute is also disclosed.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: July 3, 2018
    Assignee: EASTMAN CHEMICAL COMPANY
    Inventors: Scott Donald Barnicki, Frederick Ignatz-Hoover, Robert Thomas Hembre, Andrew Neil Smith, Henk Kreulen
  • Patent number: 10010812
    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: February 17, 2017
    Date of Patent: July 3, 2018
    Assignee: Eastman Chemical Company
    Inventors: Kenny Parker, Mesfin Janka, Ashfaq Shaikh, Lee Partin
  • Patent number: 10011579
    Abstract: Disclosed is a process to produce a dry purified carboxylic acid product comprising furan-2,5-dicarboxylic acid (FDCA). The process comprises oxidizing at least one oxidizable compound selected from the following group: 5-(hydroxymethyl)furfural (5-HMF), 5-HMF esters (5-R(CO)OCH2-furfural where R is alkyl, cycloalkyl, or aryl), 5-HMF ethers (5-R?OCH2-furfural where R? is alkyl, cycloalkyl, or aryl), 5-alkyl furfurals (5-R?-furfural where R? is alkyl, cycloalkyl, or aryl), mixed feedstocks of 5-HMF and 5-HMF esters, mixed feedstocks of 5-HMF and 5-HMF ethers, and mixed feedstocks of 5-HMF and 5-alkyl furfurals to generate a crude carboxylic acid slurry comprising FDCA.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: July 3, 2018
    Assignee: Eastman Chemical Company
    Inventors: Mesfin Ejerssa Janka, Kenny Randolph Parker, Paula Moody, Ashfaq Shahanawaz Shaikh, Lee Reynolds Partin, Bradford Russell Bowers, Michael Charles Morrow
  • Patent number: 10011737
    Abstract: A soft feel curable polyester composition comprising the residues of a 2,2,4,4-tetraalkylcyclobutane-1,3-diol, a C2-C20 diol other than 2,2,4,4-tetraalkylcyclobutane-1,3-diol, a C2-C20 polyol, an alicyclic diacid and an acyclic aliphatic diacid, wherein said curable polyester contains at least 90 mole percent of aliphatic diacid residues, based on the total moles of diacid residues, and wherein said curable polyester has a hydroxyl number of about 100 to about 250 mgKOH/g, an acid number of 0 to about 30 mgKOH/g, and a number average molecular weight of about 500 to about 10,000 g/mole, a soft segment polyol, an isocyanate crosslinker and a solvent or a solvent mixture.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: July 3, 2018
    Assignee: Eastman Chemical Company
    Inventors: Jianhui Zhou, Leslie Taylor Baker
  • Patent number: 10011485
    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: February 23, 2017
    Date of Patent: July 3, 2018
    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: 20180171189
    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, adhesive formulations are provided that comprise at least one polyindane resin, which may be used to replace or enhance the functionality of existing hydrocarbon resins typically used in adhesive formulations. Compositions comprising at least one thermoplastic elastomer and at least one polyindane resin are also provided.
    Type: Application
    Filed: December 18, 2017
    Publication date: June 21, 2018
    Applicant: Eastman Chemical Company
    Inventors: Mark William Ingratta, Soumendra Kumar Basu, Mark Stanley Pavlin, Joseph Alexander Deloach, George Joseph Kutsek, Wei Min Cheng, Terri Roxanne Carvagno, Christopher Lee Lester
  • Publication number: 20180171124
    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: Application
    Filed: December 18, 2017
    Publication date: June 21, 2018
    Applicant: Eastman Chemical Company
    Inventors: Mark William Ingratta, Soumendra Kumar Basu, Mark Stanley Pavlin, Joseph Alexander Deloach, George Joseph Kutsek, Wei Min Cheng
  • Publication number: 20180171631
    Abstract: The present invention is generally directed to prepreg composites, typically in the form of unidirectional tapes, which contain at least one reinforcing fiber and a thermoplastic polyester matrix. The prepreg composites can be thermally bonded to a mineral-containing substrate in order to improve the performance characteristics of the substrate without requiring adhesives and without significantly increasing the mass or thickness of the substrate. The prepreg composite of the present invention can be applied to a wide range of mineral-containing substrates, including structural panels, gypsum wallboards, plasterboard, drywall, cement boards, or ceiling tiles.
    Type: Application
    Filed: December 21, 2016
    Publication date: June 21, 2018
    Applicant: Eastman Chemical Company
    Inventors: Jeremy Hager Klug, Mark Allan Treece, Kaitlyn Elizabeth Ailey, Kendrick Casey Halsey, John Thomas Hofmann