Patents Assigned to Eastman Chemical Company
  • Optimized Liquid-Phase Oxidation
    Publication number: 20070292323
    Abstract: Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low temperatures. When the oxidized compound is para-xylene and the product from the oxidation reaction is crude terephthalic acid (CTA), such CTA product can be purified and separated by more economical techniques than could be employed if the CTA were formed by a conventional high-temperature oxidation process.
    Type: Application
    Filed: August 29, 2007
    Publication date: December 20, 2007
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Alan Wonders, Lee Partin, Wayne Strasser, Marcel deVreede, Puneet Gupta
  • CARBONYLATION PROCESS
    Publication number: 20070293695
    Abstract: Disclosed is a carbonylation process for the production of carboxylic acids, carboxylic acid esters and/or carboxylic acid anhydrides wherein a carbonylation feedstock compound selected from one or more organic oxygenates such as alcohols, ethers, and esters is contacted with carbon monoxide in the presence of a carbonylation catalyst and one or more onium compounds. The carbonylation process differs from known carbonylation processes in that a halide compound such as a hydrogen halide, typically hydrogen iodide, and/or alkyl halide, typically methyl iodide, extraneous or exogenous to the carbonylation process is not fed or supplied separately to the process.
    Type: Application
    Filed: June 15, 2006
    Publication date: December 20, 2007
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Joseph Robert Zoeller, Mary Kathleen Moore, Andrew James Vetter
  • Oxidation System with Sidedraw Secondary Reactor
    Publication number: 20070292319
    Abstract: Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low temperatures. When the oxidized compound is para-xylene and the product from the oxidation reaction is crude terephthalic acid (CTA), such CTA product can be purified and separated by more economical techniques than could be employed if the CTA were formed by a conventional high-temperature oxidation process.
    Type: Application
    Filed: August 29, 2007
    Publication date: December 20, 2007
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Thomas Woodruff, Alan Wonders
  • Optimized Liquid-Phase Oxidation
    Publication number: 20070293699
    Abstract: Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low temperatures. When the oxidized compound is para-xylene and the product from the oxidation reaction is crude terephthalic acid (CTA), such CTA product can be purified and separated by more economical techniques than could be employed if the CTA were formed by a conventional high-temperature oxidation process.
    Type: Application
    Filed: August 29, 2007
    Publication date: December 20, 2007
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Alan Wonders, Thomas Lightfoot, Thomas Woodruff, Charles Hitchcock, David Denton, Carl McCurry
  • Optimized Liquid-Phase Oxidation
    Publication number: 20070293697
    Abstract: Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low temperatures. When the oxidized compound is para-xylene and the product from the oxidation reaction is crude terephthalic acid (CTA), such CTA product can be purified and separated by more economical techniques than could be employed if the CTA were formed by a conventional high-temperature oxidation process.
    Type: Application
    Filed: August 29, 2007
    Publication date: December 20, 2007
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Alan Wonders, Thomas Lightfoot, Thomas Woodruff, Charles Hitchcock, David Denton, Carl McCurry
  • PROCESS FOR REMOVAL OF IMPURITIES FROM MOTHER LIQUOR IN THE SYNTHESIS OF CARBOXYLIC ACID USING PRESSURE FILTRATION
    Publication number: 20070284317
    Abstract: A process is disclosed that relates to the recovery of a metal catalyst from an oxidizer purge stream produced in the synthesis of carboxylic acid, typically terephthalic. More particularly, the process involves recovery of a metal catalyst from an oxidizer purge stream through the use of a pressure filter, the combining of water with a mother liquor to recover the metal catalyst and then subjecting an aqueous mixture so formed to a single stage extraction with an extraction solvent to produce an extract stream comprising organic impurities and a raffinate stream comprising the metal catalyst.
    Type: Application
    Filed: August 21, 2007
    Publication date: December 13, 2007
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Kenny Parker, Robert Lin
  • LIGHT ABSORBING COMPOSITIONS
    Publication number: 20070287822
    Abstract: Disclosed are light absorbing compositions that are useful for marking or tagging articles for security identification, processes for the preparation of the light-absorbing compositions, coating compositions containing the light absorbing compositions and articles coated with the coating compositions.
    Type: Application
    Filed: June 13, 2006
    Publication date: December 13, 2007
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Jason Clay Pearson, Max Allen Weaver, Timothy Ray Dawsey, Greg Alan King, Mark Dwight Clark, James Lon Little, Martin Frederick Schick
  • PRODUCTION OF ACETIC ACID AND MIXTURES OF ACETIC ACID AND ACETIC ANHYDRIDE
    Publication number: 20070287862
    Abstract: Disclosed is a process for the production of acetic acid or mixtures of acetic acid and acetic anhydride in a carbonylation process wherein a mixture comprising methyl acetate and/or dimethyl ether and methyl iodide is contacting in the liquid phase with carbon monoxide in the presence of a carbonylation catalyst at elevated pressures and temperatures. Methanol, water, or a mixture thereof is added to an acetic anhydride-containing stream within a flash evaporation zone to convert some or all of the acetic anhydride to acetic acid and optionally methyl acetate and to provide heat for the evaporation of a portion of the product effluent produced by the carbonylation process.
    Type: Application
    Filed: June 9, 2006
    Publication date: December 13, 2007
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Robert Sterling Kline, Gregory Abbott Wellman, Jr., Brandon Tyler Earls, Jerry Lee Bewley
  • Packages, packaging systems, methods for packaging and apparatus for packaging
    Patent number: 7306093
    Abstract: The present invention relates to the use of vacuum packaging and vacuum packaging techniques. Embodiments of the present invention include bales and packages comprising a sealed chamber having an internal volume at a pressure less than ambient atmospheric pressure. In alternate embodiments of the present invention, the internal volume of the package comprises a bulk material, a bulk fiber material, fibers or fibrous materials. Also disclosed are methods for packaging, packaging systems and apparatus for packaging.
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: December 11, 2007
    Assignee: Eastman Chemical Company
    Inventors: Michael Ray McLaughlin, Charles Duane Mullins, Charles Clifton Sanders, Hillard Birdell Smithers, III, Gregory Kyle Nelson
  • Enriched isophthalic acid composition
    Patent number: 7304178
    Abstract: A process is provided for producing an enriched carboxylic acid compositions produced by contacting composition comprising a carboxylic acid with an enrichment feed in an enrichment zone to form an enriched carboxylic acid composition. This invention also relates to a process and the resulting compositions for removing catalyst from a carboxylic acid composition to produce a post catalyst removal composition.
    Type: Grant
    Filed: March 1, 2006
    Date of Patent: December 4, 2007
    Assignee: Eastman Chemical Company
    Inventors: Philip Edward Gibson, Kenny Randolph Parker
  • PROCESS FOR THE PREPARATION OF COPOLYESTERS BASED ON 2,2,4,4-TETRAMETHYL-1,3-CYCLOBUTANEDIOL AND 1,4-CYCLOHEXANEDIMETHANOL
    Publication number: 20070276065
    Abstract: Disclosed is a process for the preparation of high molecular weight, thermoplastic copolyesters by reacting a diester composition comprising a dialkyl ester of terephthalic acid with a diol composition comprising a first diol component comprising 2,2,4,4-tetramethyl-1,3-cyclobutanediol and a second diol component comprising 1,4-cyclohexanedimethanol. The diester composition can be reacted with the first diol component to produce a polyester oligomer that can be reacted further with the second diol component to produce a modified polyester oligomer. The modified polyester oligomer can then be heated to form a copolyester. The process reduces the precipitation of poly(1,4-cyclohexylene dimethylene) terephthalate in the reaction mixture.
    Type: Application
    Filed: July 3, 2007
    Publication date: November 29, 2007
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Benjamin Barton, Damon Shackelford
  • Process for the preparation of glycolaldehyde
    Patent number: 7301054
    Abstract: Disclosed are catalyst solutions for the hydroformylation of formaldehyde comprising one or more fluorophosphite compounds, rhodium and a hydroformylation solvent comprising at least one N,N-disubstituted amide, N-substituted cyclic amide, or a mixture thereof. Also disclosed are hydroformylation processes wherein formaldehyde is contacted with carbon monoxide, hydrogen one or more fluorophosphite compounds, rhodium and a hydroformylation solvent to produce glycolaldehyde. The fluorophosphite-based catalysts provide good reaction rates and high selectivity to glycolaldehyde.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: November 27, 2007
    Assignee: Eastman Chemical Company
    Inventor: Thomas Allen Puckette
  • Polyester polymer and copolymer compositions containing metallic titanium particles
    Patent number: 7300967
    Abstract: Polyester compositions are disclosed that include polyester polymers or copolymers having incorporated therein metallic titanium particles that improve the reheat properties of the compositions. Processes for making such compositions are also disclosed. The titanium particles may be incorporated in the polyester by melt compounding, or may be added at any stage of the polymerization, such as during the melt-phase of the polymerization. A range of particle sizes may be used, as well as a range of particle size distributions. The polyester compositions are suitable for use in packaging made from processes in which a reheat step is desirable.
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: November 27, 2007
    Assignee: Eastman Chemical Company
    Inventor: Zhiyong Xia
  • Neopentyl glycol containing polyesters blended with polycarbonates
    Patent number: 7297736
    Abstract: Disclosed are polymer blends comprising polycarbonate(s) and polyester(s) wherein the polycarbonate is a polycarbonate derived from bisphenol A and the polyester comprises residues of or is derived from one or more aromatic dicarboxylic acids, neopentyl glycol, and 1,4-cyclohexanedimethanol.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: November 20, 2007
    Assignee: Eastman Chemical Company
    Inventors: Wesley Raymond Hale, Thomas Joseph Pecorini, Sam Richard Turner
  • Polycarbonate compositions
    Patent number: 7297735
    Abstract: This invention relates to polycarbonate compositions comprising: (A) at least one polycarbonate comprising repeating units derived from a dihydroxyaromatic compound or a dihydroxyaliphatic compound of the formula HO—Y—OH; and (B) at least one salt prepared from the reaction of one or more acidic phosphorus-containing compounds and one or more hindered amine light stabilizers. The polycarbonate compositions exhibit improved hydrolytic stability.
    Type: Grant
    Filed: March 5, 2003
    Date of Patent: November 20, 2007
    Assignee: Eastman Chemical Company
    Inventors: Jason Clay Pearson, Douglas Stephens McWilliams, Gether Irick, Jr., Max Allen Weaver
  • Shaped articles from cycloaliphatic polyester compositions
    Patent number: 7297755
    Abstract: Disclosed are oriented, shaped articles such as, for example, film, fibers, bottles, and tubes, with excellent strength, toughness, clarity, chemical resistance, and UV resistance. The articles can be prepared from cycloaliphatic polyesters and from compositions comprising cycloaliphatic polyesters and cycloaliphatic polyester elastomers. The articles may be oriented by stretching in at least one direction and have a modulus which results in a soft feel. Also disclosed are polyester compositions comprising cycloaliphatic polyesters and polyester elastomers.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: November 20, 2007
    Assignee: Eastman Chemical Company
    Inventors: Marcus David Shelby, Douglas Stephens McWilliams, James Wilson Mercer, Jr., Mark Elliott Tincher
  • Process for removal of impurities from an oxidizer purge stream
    Patent number: 7291270
    Abstract: A process is disclosed that relates to the removal of impurities and the recovery of a mother liquor and wash filtrate from an oxidizer purge stream produced in the synthesis of carboxylic acid, typically terephthalic. More particularly, the process involves the removal of impurities and the recovery of a mother liquor and wash filtrate from an oxidizer purge stream and then routing the mother liquor and or wash filtrate to an oxidation zone.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: November 6, 2007
    Assignee: Eastman Chemical Company
    Inventors: Philip Edward Gibson, Kenny Randolph Parker, Howard Wood Jenkins, Jr.
  • Polyester based cobalt concentrates for oxygen scavenging compositions
    Patent number: 7288586
    Abstract: A solid concentrate is provided having a combination of a transition metal present in an amount ranging from 1000 to 40,000 ppm (weight by metal) and a polyester polymer present in an amount of at least 40 wt. % based on the weight of the concentrate. Concentrates made with highly modified polyester polymers are easy to compound with transition metals forming less brittle polymer upon melt extrusion. Bottle preforms and oxygen scavenging bottles can be made from these concentrates by combining solid polyester particles, solid polyamide particles, and solid these concentrate particles c into an melt processing zone, forming a melt, and forming an article directly from the melt. The b* color and the L* color and the haze levels of the preforms are improved over the preforms made with liquid carriers instead of solid concentrates.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: October 30, 2007
    Assignee: Eastman Chemical Company
    Inventors: Mark Edward Stewart, Emerson Eston Sharpe, Jr., Benjamin Bradford Gamble, Steven Lee Stafford, Robert Noah Estep, James Carl Williams, Thomas Roger Clark
  • PROCESS FOR SUPERHEATED STEAM
    Publication number: 20070245736
    Abstract: Disclosed is a process for the preparation of superheated of steam by transferring heat from at least a fraction of a high pressure steam to a lower pressure steam to produce a superheated, lower pressure steam. The high pressure steam can be generated by recovering heat from a heat producing chemical process such as, for example, the partial oxidation of carbonaceous materials. The lower pressure steam can be generated by reducing the pressure of a portion of the high pressure steam or by recovering heat from one or more chemical processes. The superheated, lower pressure steam may used to generate electricity in a steam turbine, operate a steam turbine drive, or as a heat source. Also disclosed is a process for driving a steam turbine using superheated steam produced by the process of the invention.
    Type: Application
    Filed: April 25, 2006
    Publication date: October 25, 2007
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventor: Scott Barnicki
  • Flame retardant polyester compositions for calendering
    Patent number: 7285587
    Abstract: Flame retardant polyester compositions suitable for calendering may be prepared from polyesters having crystallization half time of at least 5 minutes, a plasticizer, a phosphorus-containing flame retardant miscible with the plasticized polyester, and an additive effective to prevent sticking of the polyester to the calendar rolls. Also disclosed are processes for flame retardant films or sheets by calendering the above compositions and the flame retardant films or sheets produced therefrom. These films and sheets have excellent appearance, flexibility, and flame retardancy, and can be used in a wide range of decorative and packaging applications.
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: October 23, 2007
    Assignee: Eastman Chemical Company
    Inventors: Marc Alan Strand, Rodney Layne Piner