Patents Represented by Attorney William P. Heath, Jr.

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  • Ester hydrolysis and depolymerization of polyester and polycarbonate polymers
    Patent number: 5045122
    Abstract: Ester bonds are hydrolyzed, such as in the conversion of polyesters to their monomeric components, by being contacted with a mixture of (a) an alcohol, such as methanol, or glycol, (b) a polar aprotic solvent such as N-methyl-pyrrolidone or dimethyl sulfoxide and (c) an alkoxide or hydroxide such as sodium hydroxide.
    Type: Grant
    Filed: December 14, 1989
    Date of Patent: September 3, 1991
    Assignee: Eastman Kodak Company
    Inventors: George W. Tindall, Randall L. Perry
  • Difunctional products from ethylene oxide and synthesis gas
    Patent number: 5043480
    Abstract: A process for producing a .beta.-hydroxyester product or a .beta.-hydroxyaldehyde product from ethylene oxide, carbon monoxide, and, optionally, hydrogen, is disclosed. This process uses, as a catalyst, a catalyst comprising rhodium, ruthenium, and a Group Va promoter.
    Type: Grant
    Filed: August 16, 1990
    Date of Patent: August 27, 1991
    Assignee: Eastman Kodak Company
    Inventor: William A. Beavers
  • Liquid-dispersible, polymeric colorant compositions and aqueous dispersions
    Patent number: 5043376
    Abstract: Disclosed are liquid-dispersible colorant compositions and stable aqueous dispersions of such colorant materials. The colorant is a polymeric colorant comprising a water-insoluble, polymeric colorant comprising a polyester having copolymerized therein residue of one or more monomeric, organic colorant compounds.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: August 27, 1991
    Assignee: Eastman Kodak Company
    Inventors: Mahendra K. Sharma, Terry A. Oldfield, James J. Krutak
  • Novel diamides and method for improving feed utilization and lactation in ruminant animals
    Patent number: 5041452
    Abstract: Novel diamides having a nitrogen-containing heterocyclic moiety such as pyridyl are disclosed that are useful for improving feed utilization efficiency of ruminants and for improving lactation of lactating ruminants.
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: August 20, 1991
    Assignee: Eastman Kodak Company
    Inventor: Alan W. White
  • Process for the preparation of dihydroxy esters
    Patent number: 5041621
    Abstract: Process is disclosed for the preparation of dihydroxy esters such as hydroxypivalyl hydroxypivalate from hydroxy aldehydes such as hydroxypivaldehyde by contacting said hydroxy aldehydes with low levels of at least one elemental metal selected from a defined group of metals. Reaction product is readily recovered without the need for extensive catalysts neutralization and/or removal procedures.
    Type: Grant
    Filed: September 27, 1989
    Date of Patent: August 20, 1991
    Assignee: Eastman Kodak Company
    Inventors: Don L. Morris, Gary C. Luce
  • 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.
  • Pourable particles of normally tacky plastic materials and process for their preparation
    Patent number: 5041251
    Abstract: Pourable particles of normally soft and tacky plastic materials are formed by extruding the molten plastic material into contact with a cooling fluid containing a non-sticky material that is compatible with the plastic material, cutting the plastic material into particles, separating these particles from the cooling fluid, and contacting these particles with a second compatible non-sticky material.
    Type: Grant
    Filed: July 27, 1989
    Date of Patent: August 20, 1991
    Assignee: Eastman Kodak Company
    Inventors: Steven L. McCoskey, Stephen R. Hooker, Don W. Jarrell, Marc S. Somers, Stephen W. Coe
  • Impact resistant polymer blends
    Patent number: 5041499
    Abstract: Disclosed is a polymer blend having improved low-temperature impact strength comprising a copolyester of terephthalic acid, ethylene glycol and 1,4-cyclohexanedimethanol, and a styrene-butadiene block copolymer.
    Type: Grant
    Filed: November 9, 1990
    Date of Patent: August 20, 1991
    Assignee: Eastman Kodak Company
    Inventor: Dale M. Blakely
  • Ink compositions and preparation
    Patent number: 5041489
    Abstract: A composition useful in printing inks exemplified as comprising:(A) from about 0.1 to about 60 weight % of one or more polyester materials having an acid component of from about 75 to about 84 mole % isophthalic acid and conversely from about 25 to about 16 mole % 5-sodio-sulfoisophthalic acid, and having a glycol component of from about 45 to about 60 mole % diethylene glycol and conversely from about 55 to about 40 mole % 1,4-cyclohexanedimethanol or ethylene glycol or mixtures thereof;(B) from about 1.0 to about 60 weight % of pigment material blended with said polyester material; and(C) from about 10 to about 90 weight % of water admixed with alcohol selected from methanol, ethanol, n-propanol, isopropanol or mixtures thereof, preferably n-propanol by itself, in a weight ratio of water to alcohol of from about 99/1 to about 1/1.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: August 20, 1991
    Assignee: Eastman Kodak Company
    Inventors: Charles H. Coney, John R. Gossett, Jr., Theron E. Parsons, III
  • Organic compositions and their manufacture
    Patent number: 5041613
    Abstract: Processes, intermediates, and products involved in preparing cyclohexanediones of the formula ##STR1## are disclosed. An aldehyde of the formula R--CHO is reacted with a ketone type compound of the formula (R.sub.1)(R.sub.2)C.dbd.C.dbd.O at a temperature below about 110.degree. C. to give a polymer having the repeating unit --OCH(R)C(R.sub.1)(R.sub.2)CO].sub.n wherein n ranges from about 2 to about 1,000. The polymer is hydrolyzed with alcoholic or aqueous base to produce a mixture of an unsaturated acid of the formula R--CH.dbd.C(R.sub.1)--COOH and a hydroxy ester or acid of the formula R--CH(OH)C(R.sub.1)(R.sub.2)--COOR.sub.3, the mixture is then contacted with an esterifying agent to convert the acids to esters. The ester mixture is contacted with a dehydrating agent to convert the hydroxy ester to unsaturated ester of the formula R--CH.dbd.C(R.sub.1)--COOR.sub.3.
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: August 20, 1991
    Assignee: Eastman Kodak Company
    Inventor: Charles A. McCombs
  • Ink composition containing a blend of a polyester and an acrylic polymer
    Patent number: 5039339
    Abstract: Disclosed is a novel blend of a water-dissipatable polyester material and an acrylic polymer. The acrylic polymer must be compatible with the polyester and can be optionally styrenated. The polyester is exemplified in having an acid component of from about 75 to about 84 mole % isophthalic acid and conversely from about 25 to about 16 mole % 5-soldiosulfoisophthalic acid, and having a glycol component of from about 45 to about 60 mole % diethylene glycol and conversely from about 55 to about 44 mole % 1,4-cyclohexanedimethanol or ethylene glycol or mixtures thereof.The polymer blends are useful for preparing ink compositions having improved block resistance and water resistance.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: August 13, 1991
    Assignee: Eastman Kodak Company
    Inventors: Hieu D. Phan, Gary W. Carrier, Rebecca R. Stockl, Frank J. Tortorici, R. Gary Wulf
  • Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,6-hexanediol and 1,4-butanediol
    Patent number: 5037947
    Abstract: Disclosed are copolyesters comprising an acid component of 4,4'-biphenyldicarboxylic acid and a glycol component comprising 1,6-hexanediol and 1,4-butanediol. The copolyesters exhibit unusually high tensile strengths.
    Type: Grant
    Filed: January 31, 1990
    Date of Patent: August 6, 1991
    Assignee: Eastman Kodak Company
    Inventors: John C. Morris, Winston J. Jackson, Jr.
  • Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,6-hexanediol and ethylene glycol
    Patent number: 5037946
    Abstract: Disclosed are copolyesters comprising an acid component of 4,4'-biphenyldicarboxylic acid and a glycol component comprising 1,6-hexanediol and ethylene glycol. Injection-molded bars of the coplyesters exhibit unusually high stiffness and tensile strength compared to polyesters described in the art.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: August 6, 1991
    Assignee: Eastman Kodak Company
    Inventors: John C. Morris, Winston J. Jackson, Jr.
  • Blood bag system containing vitamin E
    Patent number: 5037419
    Abstract: The present invention discloses a blood bag system that avoids the requirements of a plasticizer that is extractable by blood or blood components. The blood bag is made of a certain plastic material having particular properties including sufficient oxygen and carbon dioxide permeabilities. The blood bag also contains an effective amount of vitamin E.
    Type: Grant
    Filed: September 21, 1989
    Date of Patent: August 6, 1991
    Assignee: Eastman Kodak Company
    Inventors: David L. Valentine, Andreas M. Papas, Edward T. Ostermeyer, James E. Huffaker, Eileen M. Taggart
  • Thermoplastic elastomeric compositions and method for their preparation
    Patent number: 5037888
    Abstract: Thermoplastic elastomeric compositions of improved properties are prepared by cross-linking an ethylene/.alpha.,.beta.-unsaturated carboxylic acid, ester, or anhydride copolymer in the presence of a polyolefin using an epoxy compound catalyzed with a tertiary amine.
    Type: Grant
    Filed: November 9, 1989
    Date of Patent: August 6, 1991
    Assignee: Eastman Kodak Company
    Inventor: Jeffrey J. Vanderbilt
  • 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
  • Colored polyester compositions
    Patent number: 5030708
    Abstract: Provided are novel methine colorants derived from acetaldehyde, 1,3-dihydro-7-methoxycarbonyl-1,1,3-trimethyl-2H-benz[e]indol-2-ylidine and polyester compositions and concentrates having these colorants copolymerized therein. Also provided are novel intermediates useful for making the colorants.
    Type: Grant
    Filed: December 17, 1990
    Date of Patent: July 9, 1991
    Assignee: Eastman Kodak Company
    Inventors: James J. Krutak, William W. Parham, Clarence A. Coates, Jr., Terry A. Oldfield, Wayne P. Pruett, Samuel D. Hilbert, Max A. Weaver
  • Stabilization of ink compositions
    Patent number: 5028262
    Abstract: Ink compositions which are aqueous dispersions of a water-dispersible polymer, a Disperse dye, and a dihydroxybenzophenone or derivative thereof are stable with respect to precipitation.
    Type: Grant
    Filed: November 2, 1989
    Date of Patent: July 2, 1991
    Assignee: Eastman Kodak Company
    Inventors: Fred D. Barlow, Jr., Kim S. Chamberlin
  • 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
  • Copoly(phenylene sulfide)
    Patent number: 5026824
    Abstract: A process for preparing a polymer having repeating units corresponding to the structure ##STR1## wherein R is ##STR2## y is in the range of 0.005 to 0.10, x is in the range of 0.01 to 0.50 when R is ##STR3## x is in the range of 0.01 to 0.30 when R is ##STR4## and n is at least 200. The polymer is prepared by reacting a diiodoaromatic compound and elemental sulfur.
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: June 25, 1991
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, Jerry S. Fauver, David R. Fagerburg, Paul B. Lawrence, Joseph J. Watkins