Patents Represented by Attorney William P. Heath, Jr.

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  • Thermosetting coating compositions
    Patent number: 5247122
    Abstract: Disclosed are certain novel 2,2'-bisacetoacetates useful as crosslinking agents and a process for the preparation therefor. Also provided are novel enamel compositions containing the crosslinkers and coatings and articles coated with thermosetting coating compositions crosslinked with these novel crosslinkers.
    Type: Grant
    Filed: June 3, 1991
    Date of Patent: September 21, 1993
    Assignee: Eastman Kodak Company
    Inventors: J. Stewart Witzeman, Allen L. Crain, Robert J. Clemens
  • Thermosetting coating compositions
    Patent number: 5245002
    Abstract: Provided are certain curable polyesters which are useful in enamel compositions. The enamel compositions provide coatings which exhibit superior hardness, impact resistance, acid resistance, and weatherability hereto fore unachievable with other polyester based coatings.
    Type: Grant
    Filed: May 15, 1992
    Date of Patent: September 14, 1993
    Assignee: Eastman Kodak Company
    Inventor: Thauming Kuo
  • Thermosetting powder coating compositions
    Patent number: 5244944
    Abstract: Provided are thermosetting powder coating compositions which contain a quaternary ammonium salt or hydroxide having at least one substituent of eight carbons or more and one lower alkyl group. Such quaternary ammonium salts or hydroxides were found to catalyze the curing or cross-linking reaction at lower temperatures in such compositions than previously possible.
    Type: Grant
    Filed: June 5, 1991
    Date of Patent: September 14, 1993
    Assignee: Eastman Kodak Company
    Inventors: Lawrence L. Bott, Max Helvey
  • Ternary mixtures of glycols and water that retain fluidity at ambient temperatures
    Patent number: 5245003
    Abstract: Provided are certain novel fluid ternary glycol mixtures. Also provided is an improved process for preparing polyesters comprised of residues of the glycols which comprise the fluid ternary glycol/water mixtures.
    Type: Grant
    Filed: January 23, 1992
    Date of Patent: September 14, 1993
    Assignee: Eastman Kodak Company
    Inventor: Larry K. Johnson
  • Process for removing acetone from carbonylation processes
    Patent number: 5244545
    Abstract: Disclosed is an improved process for the removal of acetone from a production system wherein acetic anhydride is produced by contacting a mixture comprising methyl iodide and methyl acetate and/or dimethyl ether with carbon monoxide in the presence of a carbonylation catalyst or catalyst system. The process comprises two distillation steps wherein acetone is separated from a mixture of methyl acetate, methyl iodide and acetone.
    Type: Grant
    Filed: October 9, 1991
    Date of Patent: September 14, 1993
    Assignee: Eastman Kodak Company
    Inventors: Steven L. Cook, Robert M. Schisla, Jr., Charles E. Outlaw, Joseph R. Zoeller
  • Alkylation reactions catalyzed by gallium-modified titanium dioxide
    Patent number: 5245089
    Abstract: Provided is a process for alkylating aromatic compounds in the presence of mixed oxides of titanium and gallium which have been found to be highly active catalysts for the alkylation of aromatics with alkyl esters, alcohols, olefins and ethers. When the alkyl acceptor is a phenol, the catalysts provide high reaction rates and high selectivity for ortho alkylated products.
    Type: Grant
    Filed: October 23, 1992
    Date of Patent: September 14, 1993
    Assignee: Eastman Kodak Company
    Inventors: Gether Irick, Jr., Leslie S. LaForce
  • Photoactive catalyst of barium phosphate or calcium phosphate supported on anatase titanium dioxide
    Patent number: 5242880
    Abstract: Provided are novel titania comprising anatase titanium dioxide and sodium, potassium, calcium, magnesium, barium, zinc, or magnesium salts of sulfuric or phosphoric acid. The titania of this invention are useful in the pigmentation of oxidizable polymers, while at the same time providing a catalyst system for the photooxidation of said oxidizable polymers.
    Type: Grant
    Filed: May 27, 1992
    Date of Patent: September 7, 1993
    Assignee: Eastman Kodak Company
    Inventor: Gether Irick, Jr.
  • Reinforced molding composition based on poly(1,4-cyclohexylene dimethylene terephthalate) containing a high molecular weight aliphatic polyester
    Patent number: 5242967
    Abstract: This invention relates to poly(1,4-cyclohexylenedimethylene terephthalate) (PCT) compositions with improved crystallization characteristics due to the presence of a high molecular weight aliphatic polyester. Specifically, the invention is directed to PCT compositions containing an aliphatic polyester with a number-average molecular weight of at least 8,000.
    Type: Grant
    Filed: January 29, 1992
    Date of Patent: September 7, 1993
    Assignee: Eastman Kodak Company
    Inventor: Larry A. Minnick
  • Process of making cellulose acetate fibers from spinning solutions containing metal oxide precursor
    Patent number: 5240665
    Abstract: An improved extrudable solution such as a cellulose acetate/acetone spinning solution is provided containing cellulose ester, solvent, metal oxide precursor, acid, and water. The solution is extruded such as by spinning and produces a shaped article such as a cellulose acetate fiber containing metal oxide interpenetrating networks.
    Type: Grant
    Filed: December 31, 1991
    Date of Patent: August 31, 1993
    Assignee: Eastman Kodak Company
    Inventors: Kab S. Seo, Christine J. Landry, Bradley K. Coltrain, James D. Cloyd
  • Process for the separation of oligomeric materials from a catalyst mixture
    Patent number: 5238889
    Abstract: Disclosed is a process for the recovery of catalyst values from mixtures of catalyst compounds and oligomeric materials. The process provides for the separation of (i) an onium iodide compound, (ii) an organotin iodide compound, or (iii) a mixture thereof from a mixture thereof in an oligomer of a .gamma.,.delta.-epoxy-alkene by the steps of (1) intimately contacting the mixture with an extraction solvent selected from hydrocarbons having about 5 to 12 carbon atoms; (2) allowing the mixture of step (1) to separate into 2 phases; and (3) recovering the extraction solvent phase containing iodide compounds (i) and (ii). The oligomer mixture of compounds (i) and/or (ii) is formed during the manufacture of 2,5-dihydrofurans by the isomerization of .gamma.,.delta.-epoxyalkenes.
    Type: Grant
    Filed: August 10, 1992
    Date of Patent: August 24, 1993
    Assignee: Eastman Kodak Company
    Inventors: Stephen N. Falling, Stephen A. Godleski, Lynda W. McGarry
  • Polyester/polycarbonate blends
    Patent number: 5239020
    Abstract: Disclosed is a composition of matter comprising a homogeneous blend of polyester and a polycarbonate of 4,4-isopropylidenediphenol, the composition having a Gardner b value of less than 10 and a Gardner a value of less than 4. The polyester is produced using an organic derivative of tin as catalyst.
    Type: Grant
    Filed: November 14, 1991
    Date of Patent: August 24, 1993
    Assignee: Eastman Kodak Company
    Inventor: John C. Morris
  • Polyesters from terephthalic acid, 2,6-naphthalenedicarboxylic acid, hydroquinone and 4,4'-biphenol
    Patent number: 5237038
    Abstract: Disclosed are melt-processable wholly aromatic polyesters prepared from terephthalic acid, 2,6-naphthalenedicarboxylic acid, hydroquinone and 4,4'-biphenol.
    Type: Grant
    Filed: November 16, 1990
    Date of Patent: August 17, 1993
    Assignee: Eastman Kodak Company
    Inventors: John C. Morris, Winston J. Jackson, Jr.
  • Continuous process for the preparation of 2-ethyl-2-(hydroxymethyl)hexanal and 2-butyl-2-ethyl-1, 3-propanediol
    Patent number: 5235118
    Abstract: Disclosed is a continuous process for the manufacture of 2-ethyl-2-(hydroxymethyl)hexanal wherein 2-ethylhexanal, formaldehyde and a tertiary amine are continuously fed to a reaction zone and crude product comprising an aqueous phase and an organic phase containing 2-ethyl-2-(hydroxymethyl)hexanal and 2-ethylhexanal is continuously removed from the reaction zone Also disclosed are processes for (1) the azeotropic distillation of the organic phase of the crude product whereby unreacted 2-ethylhexanal is recovered and (2) the catalytic hydrogenation of the refined, organic phase of the crude product to produce 2-butyl-2-ethyl-1,3-propanediol.
    Type: Grant
    Filed: August 31, 1992
    Date of Patent: August 10, 1993
    Assignee: Eastman Kodak Company
    Inventors: Don L. Morris, William A. Beavers, William E. Choate
  • Bathochromic azo dyes derived from 2-aminothiophenes and 2-aminothiazoles
    Patent number: 5235047
    Abstract: Provided are certain bathochromic azo dyes which are prepared by reacting 2-aminothiphenes or 2-aminothiazoles, which contain a primary amino group, with 2-chloro-3-negatively-substituted maleimides. These compounds are then diazotized and coupled with azo components, for example, anilines, 1,2,3,4-tetrahydroquinolines, 2,3-dihydroindiles, and 3,4-dihydro-2H-1,4-benzoxazines to form blue-cyan azo dyes.
    Type: Grant
    Filed: September 3, 1992
    Date of Patent: August 10, 1993
    Assignee: Eastman Kodak Company
    Inventors: James J. Krutak, Max A. Weaver
  • Polyester/polyphenylene ether blends
    Patent number: 5235001
    Abstract: This invention relates to thermoplastic molding compositions comprising the following:(a) about 5 to about 95% by weight of a polyester or a polyester, comprising: repeat units derived from terephthalic acid, ethylene glycol, and 1,4-cyclohexanedimethanol wherein the mole ratio of ethylene glycol to 1,4-cyclohexanedimethanol is from 66:34 to 98:2, said polyester having an I.V. of about 0.3 dL/g to about 1.2 dL/g, and(b) about 5 to about 95% by weight of a polyphenylene ether.The compositions are useful for producing clear articles by injection molding or extrusion.
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: August 10, 1993
    Assignee: Eastman Kodak Company
    Inventors: Mark E. Stewart, Dennis J. Massa
  • Water dispersible vitamin E composition
    Patent number: 5234695
    Abstract: A free flowing powder is prepared containing a water-soluble vitamin E compound and at least one fatty acid ester of glycerine. The powder is prepared by blending a low viscosity mixture of the vitamin E compound and fatty acid ester followed by spraying.
    Type: Grant
    Filed: July 24, 1990
    Date of Patent: August 10, 1993
    Assignee: Eastman Kodak Company
    Inventors: Howard K. Hobbs, James E. Huffaker, Eileen M. Taggart, Andreas M. Papas
  • Process for the preparation of 2-(1-phenylethyl)hydroquinone and 2-(1-phenylethyl)hydroquinone diacetate
    Patent number: 5235116
    Abstract: Provided is an improved process for preparing 2-(1-phenylethyl)hydroquinone and its diacetate salt. In this process, the differential solubility of product and starting materials hydroquinone and styrene in non-polar organic solvents is utilized to provide mono-alkylated materials which can be easily removed from the reaction mixture. A solid acid catalyst is also used which allows the isolation of product and recycle of unreacted starting materials to be accomplished on an industrial-scale continuous process.
    Type: Grant
    Filed: August 24, 1992
    Date of Patent: August 10, 1993
    Assignee: Eastman Kodak Company
    Inventor: Dewey W. Fuller, Jr.
  • Process for the production of polyurethane foams
    Patent number: 5234965
    Abstract: The present invention relates to a process for preparing flexible, semi-flexible or rigid polyurethane foam plastics from a polyfunctional isocyanate and a polyhydric compound. More specifically, the invention involves the substitution of some portion of the hydroxy groups on the polyhydric compound with acetoacetate groups. Such substitution reduces the viscosity of the polyhydric resin without effecting the performance properties of the foams. Various substitution levels can be used depending on the desired level of viscosity reduction.
    Type: Grant
    Filed: December 4, 1992
    Date of Patent: August 10, 1993
    Assignee: Eastman Kodak Company
    Inventors: Samuel L. Gott, Thomas E. Carter, Wade T. Petroskey, T. Hugh Williams, G. C. Zima
  • Process of preparing lubricant-impregnated fibers
    Patent number: 5234720
    Abstract: Fibers such as caustic treated non round polyester fibers are prepared having certain lubricants strongly adhered to the surfaces thereof. These fibers are prepared by contacting the fibers, such as immediately prior to a crimping device, with a suitable heated hydrophilic lubricant in a processing operation followed by heating to dry or the lubricant onto and/or into the surface of the fibers.
    Type: Grant
    Filed: July 23, 1991
    Date of Patent: August 10, 1993
    Assignee: Eastman Kodak Company
    Inventors: Richard D. Neal, Shriram Bagrodia, Lewis C. Trent, Mark A. Pollock
  • Process for the preparation of aromatic carboxylic acid esters
    Patent number: 5233075
    Abstract: A process comprising preparing an aromatic carboxylic ester and an alkyl iodide by carboxylating an aromatic iodide in the presence of an alkylating agent and a catalytic amount of a transition metal under aromatic carboxylic ester and alkyl iodide forming conditions of temperature, pressure and ultrasound.
    Type: Grant
    Filed: October 15, 1991
    Date of Patent: August 3, 1993
    Assignee: Eastman Kodak Company
    Inventors: Guy R. Steinmetz, Andrew J. Matosky