Patents Represented by Attorney J. Frederick Thomsen

Find this attorney in the Justia Lawyer Directory

  • Preparation of aryl ketones
    Patent number: 5041616
    Abstract: Disclosed is a process for the preparation of alkyl aryl ketones, cycloalkyl aryl ketones and diaryl ketones by contacting an aromatic compound with an aliphatic, cycloaliphatic or aromatic carboxylic acid in the presence of a catalytic amount of an organic sulfonic acid while removing the water of reaction as an azeotrope from the reaction mixture.
    Type: Grant
    Filed: August 29, 1990
    Date of Patent: August 20, 1991
    Assignee: Eastman Kodak Company
    Inventor: Charles E. Sumner, Jr.
  • Copolymerized anthraquinone-polyester color concentrates
    Patent number: 5032670
    Abstract: Disclosed are color concentrate compositions which comprise a polyester having copolymerized therein at least 0.5 weight percent of an anthraquinone colorant compound having the formula ##STR1## wherein AQ is a 1,5- or 1,8-anthraquinonylene radical; R.sup.1 and R.sup.2 are the same or different and are unsubstituted or substituted alkyl, cycloalkyl or aryl; and X is a group reactive with at least one of the functional groups of the monomers from which the polyester is prepared. Amorphous polyesters and partially-crystalline polyesters are preferred embodiments of the color concentrates. Also disclosed are colored semicrystalline powders which may be obtained from the amorphous and partially-crystalline color concentrates by a dissolution-crystallization-precipitation procedure.
    Type: Grant
    Filed: August 30, 1989
    Date of Patent: July 16, 1991
    Assignee: Eastman Kodak Company
    Inventors: William W. Parham, James J. Krutak, Max A. Weaver, Clarence A. Coates, Jr., Terry A. Oldfield
  • Oxime-blocked polysicyanates and polyester and powder coating compositions containing such oxide-blocked polyisocyanates
    Patent number: 5028682
    Abstract: Disclosed are certain ketoxime-blocked polyisocyanates and polyester compositions containing the ketoxime-blocked polyisocyanates. Also disclosed are thermosetting powder coating compositions comprising one or more polyesters and at least one of the ketoxime-blocked polyisocyanates and articles coated with the powder coating compositions.
    Type: Grant
    Filed: July 3, 1989
    Date of Patent: July 2, 1991
    Assignee: Eastman Kodak Company
    Inventors: J. Stewart Witzeman, Glenn C. Jones
  • Preparation of bidentate ligands
    Patent number: 5026886
    Abstract: A process is disclosed for preparing biaryl, bidentate ligands comprising:(1) contacting a biaryl compound having the structural formula: ##STR1## with a proton abstracting agent under conditions suitable to form a biaryl dianion, which is then(2) contacted with a Group V compound of the formula: ##STR2## where X' is halogen or a suitable leaving group.
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: June 25, 1991
    Assignee: Eastman Kodak Company
    Inventors: Jerome L. Stavinoha, Gerald W. Phillips, Thomas A. Puckette, Thomas J. Devon
  • Process for coproduction of arylene diamine dihalides and alkyl halides
    Patent number: 5025107
    Abstract: Disclosed is a process for the preparation of bis-acylamido aromatic compounds by reacting certain arylene dihalides with certain arylene dihalides in the presence of a copper catalyst. The process may be utilized in the synthesis of arylenediamines.
    Type: Grant
    Filed: July 24, 1989
    Date of Patent: June 18, 1991
    Assignee: Eastman Kodak Company
    Inventor: Kim S. Chamberlin
  • Preparation of aqueous solutions of acetoacetamide
    Patent number: 5025106
    Abstract: Disclosed is a process for the preparation of aqueous solutions of acetoacetamide wherein diketene and aqueous ammonia having an ammonia concentration of about 6.0 to 9.0 weight percent are continuously fed to a reaction zone at rates which maintain in the reaction zone a pH of about 7.0 to 8.2 and a residence time of about 20 to 150 minutes while (i) maintaining the temperature of the reaction zone at about 40.degree. to 75.degree. C. and (ii) subjecting the contents of the reaction zone to vigorous agitation. An aqueous product solution having an acetoacetamide concentration of about 25 to 35 weight percent is continuously removed from the reaction zone.
    Type: Grant
    Filed: October 22, 1990
    Date of Patent: June 18, 1991
    Assignee: Eastman Kodak Company
    Inventor: Steven L. Cook
  • Catalyst for preparation of biaryl compounds
    Patent number: 5021380
    Abstract: A method for the preparation of biaryl compounds is disclosed which comprises contacting an aryl halide with a tertiary-alkyl organometallic reagent (or the precursor components thereof) in the presence of a catalyst comprising a nickel compound and a coordinating ligand under conditions suitable for the formation of biaryl compound.In an alternate embodiment of the present invention, nickel(O) compounds are prepared from nickel(II) compounds by contacting a nickel(II) compound with a combination of an organophosphine and a bidentate nitrogen-containing coordinating ligand, and a tertiary-alkyl organometallic reagent (or the precursor components thereof) in an aprotic, non-polar, ether-containing solvent system for a time and under conditions suitable for the formation of nickel(0) compound.
    Type: Grant
    Filed: March 12, 1990
    Date of Patent: June 4, 1991
    Assignee: Eastman Kodak Company
    Inventor: Thomas A. Puckette
  • Low temperature Michael addition reactions
    Patent number: 5017649
    Abstract: The condensation of .beta.-dicarbonyl compounds with .alpha.,.beta.-unsaturated compounds is promoted by amidine and guanidine compounds.
    Type: Grant
    Filed: January 19, 1988
    Date of Patent: May 21, 1991
    Assignee: Eastman Kodak Company
    Inventor: Robert J. Clemens
  • Polyesters terminated with carboxycyclohexanecarboxylate groups
    Patent number: 5017679
    Abstract: Disclosed are carboxyl polyesters which are useful in the formulation of powder coating compositions. The polyesters are characterized by the presence of terminal carboxycyclohexanecarboxylate groups. Also disclosed is a process for the preparation of the carboxyl polyesters from similar hydroxy polyesters.
    Type: Grant
    Filed: August 30, 1989
    Date of Patent: May 21, 1991
    Assignee: Eastman Kodak Company
    Inventors: Yeong-Ho Chang, Glenn C. Jones
  • Catalyst composition for the hydrogenation of carboxylic acid esters
    Patent number: 5011806
    Abstract: Disclosed are catalyst compositions comprised of chemically-mixed, copper-titanium oxides and the use of such catalyst compositions in the hydrogenation of certain esters to obtain the alcohol corresponding to the acid residue of the ester.
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: April 30, 1991
    Assignee: Eastman Kodak Company
    Inventors: Gether Irick, Jr., Patricia N. Mercer, Kenneth E. Simmons
  • Low pressure rhodium catalyzed hydroformylation of olefins
    Patent number: 5004823
    Abstract: The hydroformylation of olefins with rhodium complex catalysts is described. The catalysts employed comprise a rhodium complex with at least one bidentate ligand having a specified structure, ##STR1## Hydroformylation reactions at relatively low temperatures and pressure and yet with high rates of reaction and high selectivity to aldehyde product are obtained by the practice of the present invention.
    Type: Grant
    Filed: February 23, 1990
    Date of Patent: April 2, 1991
    Assignee: Eastman Kodak Company
    Inventors: Thomas J. Devon, Gerald W. Phillips, Thomas A. Puckette, Jerome L. Stavinoha, Jeffrey J. Vanderbilt
  • Polyesters colored with the residue of heat stable anthraquinone compounds
    Patent number: 4999418
    Abstract: Disclosed are colored polyester compositions comprising a polyester having reacted therewith or copolymerized therein at least one residue of an anthraquinone compound having the formula ##STR1## wherein AQ is the residue of a 9,10-anthraquinone radical; R.sup.1 and R.sup.2 are the same or different and are unsubstituted or substituted alkyl, cycloalkyl or aryl; X is a group reactive with at least one of the functional groups of the monomers from which the polyester is prepared; and n is 1 or 2. The described anthraquinone compounds possess improved thermal stability and thus are not decomposed at the high temperatures at which polyesters are prepared. Also disclosed are shaped articles, particularly containers, fabricated from the colored polyester compositions.
    Type: Grant
    Filed: August 31, 1989
    Date of Patent: March 12, 1991
    Assignee: Eastman Kodak Company
    Inventors: James J. Krutak, Max A. Weaver, Clarence A. Coates, Jr., Samuel D. Hilbert, Wayne P. Pruett, William W. Parham
  • Poly-methine compounds, condensation polymer having a poly-methine compound admixed therein and shaped articles produced therefrom
    Patent number: 4994512
    Abstract: Disclosed are poly-methine compounds having the formula: ##STR1## wherein R.sup.1 is an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; an unsubstituted or substituted carbamoyl radical; or an unsubstituted or substituted alkylsulfonyl, cycloalkylsulfonyl or arylsulfonyl radical, or an unsubstituted or substituted aryl radical;R.sup.2 is an unsubstituted or substituted alkyl, cycloalkyl or aryl radical;R.sup.3 is hydrogen, alkyl, --OR.sup.2 or halogen; andL is an organic linking group bonded by non-oxo carbon atoms to the oxygen atoms adjacent to L. Also disclosed are admixtures of about 100 to 10,000 ppm of at least one of the poly-methine compounds and certain condensation polymers. The resulting polymer compositions are useful to protect substrates or materials susceptible to degradation by ultraviolet light.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: February 19, 1991
    Assignee: Eastman Kodak Company
    Inventors: Max A. Weaver, Clarence A. Coates, Wayne P. Pruett, Samuel D. Hilbert
  • Process for the preparation of .beta.-ketocarboximides of .alpha.,.beta.-unsaturated amides
    Patent number: 4992584
    Abstract: A process is disclosed for the preparation of .beta.-ketocarboximides of .alpha.,.beta.-unsaturated amides from 1,3-dioxin-4-ones and .alpha.,.beta.-unsaturated amides using an inert solvent system capable of maintaining both reactants substantially in homogeneous solution throughout the reaction. This process provides greatly improved yields of .alpha.,.beta.-ketocarboximides of .alpha.,.beta.-unsaturated amides as well as a simple method of recovering same since such products can readily be precipitated from the reaction mixture.
    Type: Grant
    Filed: August 12, 1988
    Date of Patent: February 12, 1991
    Assignee: Eastman Kodak Company
    Inventor: Robert J. Clemens
  • Powder coating compositions
    Patent number: 4988793
    Abstract: Disclosed are thermosetting, powder coating compositions comprised of certain novel polyesters comprised of residues of terephthalic acid and 1,3-bis(2-hydroxyethoxy)benzene in combination with a blocked polyisocyanate which, when applied to a substrate and heated, provide cross-linked coatings having a combination of desirable properties including good gloss, impact strength and flexibility.
    Type: Grant
    Filed: May 23, 1989
    Date of Patent: January 29, 1991
    Assignee: Eastman Kodak Company
    Inventors: Robert B. Barbee, Brian S. Phillips
  • Direct compression carrier composition
    Patent number: 4983399
    Abstract: Disclosed is a direct compression carrier composition comprising one or more cellulose carboxylic acid esters and a lubricant useful in the preparation of tablets containing a physiologically active compound. Also disclosed are direct compression tableting compositions comprising the aforesaid direct compression carrier composition and a medicament and medicinal tablets prepared therefrom.
    Type: Grant
    Filed: October 18, 1989
    Date of Patent: January 8, 1991
    Assignee: Eastman Kodak Company
    Inventor: Shabir Z. Maish
  • Diisopropylbiphenyl mono- and di-hydroperoxides, process for the preparation thereof, and compounds derived therefrom
    Patent number: 4983777
    Abstract: Disclosed is a process for the oxidation of 4,4'-diisopropylbiphenyl which gives an excellent ratio of dihydroperoxide to monohydroperoxide and a low amount of other oxygenated compounds. The dihydroperoxide can be converted, by known procedures, to 4,4'-biphenyldiol or a diester thereof which are valuable monomers used in the manufacture of high performance polyesters. Certain of the disclosed compounds such as the dihydroperoxide, monohydroperoxides and diesters are new compositions of matter.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: January 8, 1991
    Assignee: Eastman Kodak Company
    Inventor: Dale E. Van Sickle
  • Copolyesters and articles extrusion blow-molded therefrom
    Patent number: 4983711
    Abstract: Disclosed are copolyesters containing residues of terephthalic acid, ethylene, glycol, 1,4-cyclohexanedimethanol and a trifunctional monomer which are useful in manufacturing rigid containers by extrusion blow-molding processes.
    Type: Grant
    Filed: December 4, 1989
    Date of Patent: January 8, 1991
    Assignee: Eastman Kodak Company
    Inventors: Bobby J. Sublett, Randy S. Beavers
  • Process for the recovery of elemental iodine from alkyl iodides
    Patent number: 4976947
    Abstract: Disclosed is a process for the recovery of the iodine and alkyl value of an alkyl iodide by a process comprising (I) carbonylating an alkyl iodide by a process presence of a carbonylation catalyst, carbon monoxide and a hydrogen donor to obtain a mixture of hydrogen iodide and an acyl compound and (II) oxidizing the hydrogen iodide of step (I) to elemental iodine.
    Type: Grant
    Filed: February 20, 1990
    Date of Patent: December 11, 1990
    Assignee: Eastman Kodak Company
    Inventors: Victor H. Agreda, Guy R. Steinmetz
  • Powder coating compositions
    Patent number: 4973646
    Abstract: Disclosed are thermosetting, powder coating compositions comprised of semi-crystalline polyesters and .epsilon.-caprolactam-blocked bis(1-cyanato-1-methylethyl) benzene compounds which are readily curable at relatively-mild temperatures and using cure times commonly used to cure (cross-link) powder coatings. When using equivalent curing conditions, the disclosed coating compositions exhibit a higher degree of cross-linking than do combinations of amorphous polyesters and the .epsilon.-caprolactam-blocked bis(1-cyanato-1-methylethyl)-benzene compounds.
    Type: Grant
    Filed: April 9, 1990
    Date of Patent: November 27, 1990
    Assignee: Eastman Kodak Company
    Inventors: Jonathan S. Witzeman, Yeong-Ho Chang