Patents Represented by Attorney William P. Heath, Jr.

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  • Process for preparing a product stream rich in naphthalene and 2-monoiodonaphthalene
    Patent number: 5026931
    Abstract: Disclosed is a process comprising preparing a product stream rich in naphthalene and 2-monoiodonaphthalene comprising contacting hydrogen and a feed stream containing iodonaphthalenes selected from the group consisting of monoiodonaphthalene, diiodonaphthalene and triiodonaphthalene and mixtures thereof with an X or Y type zeolite containing an ion selected from the group consisting of sodium, potassium and rubidium and a metal selected from the group selected from the group consisting of palladium, platinum, rhodium and ruthenium.
    Type: Grant
    Filed: September 10, 1990
    Date of Patent: June 25, 1991
    Assignee: Eastman Kodak Company
    Inventors: Victor H. Agreda, Thomas H. Larkins, Jr.
  • 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
  • Water-dispersible polymeric compositions
    Patent number: 5025004
    Abstract: Disclosed is a process for preparing polymeric compositions which are suitable for coating medicaments or for use in cosmetic formulations and the novel compositions prepared therefrom. The process makes stable, colloidal, latex-like dispersions of coating polymers which can be readily dried to form polymeric powder materials. The process makes use of a novel combination of a water-in-oil emulsifier and an oil-in-water emulsifier.
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: June 18, 1991
    Assignee: Eastman Kodak Company
    Inventors: Stephen H. W. Wu, Carol J. Greene, Mahendra K. Sharma
  • 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
  • Trifunctional monomer compounds, polyesters derived therefrom and thermosetting coating compositions containing the polyesters
    Patent number: 5025086
    Abstract: Provided are 1,5-bis(4-carboxycyclohexyl)-3-pentanol and its esters and processes for their preparation. Also provided are polyester compositions containing this residue, thermosetting coating compositions containing the polyesters, and coatings and casted or molded articles made therefrom.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: June 18, 1991
    Assignee: Eastman Kodak Company
    Inventors: William W. Blount, Jr., Joseph R. Zoeller
  • Copoly(phenylene sulfide)
    Patent number: 5021546
    Abstract: A process for producing elemental iodine and a copoly(arylene sulfide) corresponding to the structure ##STR1## wherein y is in the range of 0.001 to 0.15, x is in the range of 0.02 to 0.65 and n is at least 100, consisting essentially of (1) reacting at a temperature above about 175.degree. C., a mixture of diiodobenzene and diiodobiphenyl and elemental sulfur to produce the copoly(arylene sulfide), and (2) recovering the elemental iodine.
    Type: Grant
    Filed: June 11, 1990
    Date of Patent: June 4, 1991
    Assignee: Eastman Kodak Company
    Inventors: David R. Fagerburg, Mark Rule, Joseph J. Watkins, Paul B. Lawrence
  • Hot-melt adhesive composition
    Patent number: 5021257
    Abstract: The present invention is directed to a hot-melt adhesive containing at least one propylene/1-hexane copolymer. The adhesive contains an amount of a low viscosity, substantially crystalline wax, having a melting point of about 90.degree. C. to about 125.degree. C., sufficient to improve the elastic delamination resistance of the adhesive. The adhesive are particularly useful in disposable diaper construction.
    Type: Grant
    Filed: October 2, 1989
    Date of Patent: June 4, 1991
    Assignee: Eastman Kodak Company
    Inventors: Bruce W. Foster, Clyde N. Clubb, Richard K. Stuart, Jr.
  • Polyester molding composition having improved flame resistant
    Patent number: 5021495
    Abstract: Disclosed is a composition comprising a polyester of terephthalic acid, 1,4-butanediol and/or 1,4-cyclohexanedimethanol, a halogenated organic compound, an antimony compound and a polymer of at least one olefin which contains acid, anhydride or epoxide functional groups. The composition has improved flame resistance. Also disclosed is a method for improving the flame resistance of polymeric compositions.
    Type: Grant
    Filed: November 23, 1990
    Date of Patent: June 4, 1991
    Assignee: Eastman Kodak Company
    Inventor: Larry A. Minnick
  • Reinforced polymeric sheet material
    Patent number: 5021289
    Abstract: Disclosed is glass fiber reinforced thermoplastic sheet material suitable for various compression molding applications. The glass fibers useful in this invention are described in detail, and the thermoplastic composition is poly(ethylene terephthalate), poly(cyclohexylene dimethylene terephthalate) or a blend of either of these polyesters with each other and/or polycarbonate.
    Type: Grant
    Filed: November 15, 1988
    Date of Patent: June 4, 1991
    Assignee: Eastman Kodak Company
    Inventors: Ronald R. Light, Robert W. Seymour
  • 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
  • Process and catalyst-inhibitor systems for preparing poly(ethylene terephthalate)
    Patent number: 5017680
    Abstract: Disclosed is a polymer and process for producing the polymer using a complex of titanium alkoxide with an alkali or alkaline earth metal salt.
    Type: Grant
    Filed: July 3, 1990
    Date of Patent: May 21, 1991
    Assignee: Eastman Kodak Company
    Inventor: Bobby J. Sublett
  • 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
  • Preparation of poly(ethlene-2,6-naphthalene dicarboxylate) from dimethyl-2,6-naphthalene dicarboxylate and methyl hydrogen 2,6-naphthalene dicarboxylate
    Patent number: 5013820
    Abstract: This invention relates to a method of preparing poly(ethylene 2,6-naphthalene dicarboxylate) by the polycondensation reaction of ethylene glycol and dimethyl-2,6-naphthalene dicarboxylate, using a dimethyl-2,6-naphthalene dicarboxylate starting material which contains significant amounts of methyl hydrogen 2,6-naphthalene dicarboxylate as a contaminant. The methyl hydrogen 2,6-naphthalene dicarboxylate moiety is incorporated into the polymer structure by initially esterifying the methyl hydrogen 2,6-naphthalene dicarboxylate acid end-group with ethylene carbonate, in the presence of an amine or ammonium catalyst, before the polyesterification/polycondensation reaction is performed.
    Type: Grant
    Filed: April 12, 1989
    Date of Patent: May 7, 1991
    Assignee: Eastman Kodak Company
    Inventors: Jimmy R. Trotter, Bobby J. Sublett
  • 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
  • Apparatus for cleaning the interior of elongated tubular objects
    Patent number: 5010908
    Abstract: Disclosed is an apparatus for cleaning the interior of elongated tubular objects such as pipes, tubes, etc., using a reciprocating lance having a cleaning fluid spray head at its end. Fluid pressure provides reciprocating movement to the lance. The cleaning fluid pressure is independent of the fluid which provides movement to the lance, thereby maintaining the desired fluid pressure to the nozzle through the complete cycle of reciprocation.
    Type: Grant
    Filed: January 29, 1990
    Date of Patent: April 30, 1991
    Assignee: Eastman Kodak Company
    Inventors: Andrew E. McLeod, Gaines C. Fields, Donald J. Sanders
  • Transesterification of alkoxyesters
    Patent number: 5011977
    Abstract: Method for the highly selective transesterification of alkyl 3-alkoxypropionates, as well as several novel alkoxypropionate compounds, are provided. Transesterification catalyzed by titanium alkoxides or tin compounds does not catalyze the Michael reaction, and therefore, provide highly selective transesterification reactions of these reactive materials.
    Type: Grant
    Filed: November 22, 1989
    Date of Patent: April 30, 1991
    Assignee: Eastman Kodak Company
    Inventors: Glenn C. Jones, William D. Nottingham
  • Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol and 1,6-hexanediol
    Patent number: 5011877
    Abstract: Disclosed are copolyesters comprising an acid component of 4,4'-biphenyldicarboxylic acid and a glycol component comprising 1,4-cyclohexanedimethanol and 1,6-hexanediol. The copolyesters exhibit unusually high tensile strengths.
    Type: Grant
    Filed: June 8, 1990
    Date of Patent: April 30, 1991
    Assignee: Eastman Kodak Company
    Inventors: John C. Morris, Winston J. Jackson, Jr.
  • Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol, and 1,4-butanediol
    Patent number: 5011878
    Abstract: Disclosed are copolyesters comprising an acid component of 4,4'-biphenyldicarboxylic acid and a glycol component comprising 1,4-cyclohexanedimethanol and 1,4-butanediol. The copolyesters exhibit unusually high tensile strengths.
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: April 30, 1991
    Assignee: Eastman Kodak Company
    Inventors: John C. Morris, Winston J. Jackson, Jr.