Patents Represented by Attorney, Agent or Law Firm Thomas R. Savitsky
  • Low temperature multi-layer extrusion coating process and articles produced thereby
    Patent number: 5178960
    Abstract: Process for applying multi-layer extrusion coatings to substrate at low temperature is described, employing as one extrusion coating layer a defined polyethylene-containing component, and, as the second extrusion coating layer at least one second extrudable polymeric composition. Also provided are novel extrusion coated articles comprising substrate having coated thereon defined polyethylene-containing component and at least one other extrudable polymeric composition. These articles display good adhesion of extrusion coating material to the substrate without the degradation of the extrudable coatings caused by exposure to excessive levels of heat as is required for successful extrusion coating employing prior art materials.
    Type: Grant
    Filed: April 8, 1992
    Date of Patent: January 12, 1993
    Assignee: Eastman Kodak Company
    Inventor: John W. Cook
  • Method for purifying high molecular weight vinylpyridine/styrene polymers from solution
    Patent number: 5149775
    Abstract: Taste-masking composition for oral delivery of medicaments to non-ruminants, especially humans. The taste-masking composition contains a polymeric composition containing a flake material, a hydrophobic material, and a polymer containing repeating units from vinylpyridine derivatives. Also disclosed is a process for purifying polymers.
    Type: Grant
    Filed: January 25, 1991
    Date of Patent: September 22, 1992
    Assignee: Eastman Kodak Company
    Inventor: Stephen H. W. Wu
  • Fluidized bed process for treating pigments
    Patent number: 5143671
    Abstract: This invention relates to a process for treatment of pigments and the compositions of treated pigments using the disclosed process. Particularly, this invention describes a process for producing non-dusty, free flowing, granular pigment materials in which the pigment is treated by a water-dissipatable polyester. The treated pigment materials generally exhibit high dispersibility in water and polar solvent systems. Dispersions of such materials provide film-forming characteristics, water-resistivity and excellent adhesion when applied to the skin. The pigment materials prepared by the disclosed process are suitable for incorporation in paints, inks, cosmetic bases, liquid make-ups or other cosmetic preparations such as mascara.
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: September 1, 1992
    Assignee: Eastman Kodak Company
    Inventors: Kimberly T. Peters, E. Phillip Smith, Shane K. Kirk
  • Cellulose ester compositions and process for the preparation thereof
    Patent number: 5142034
    Abstract: Process for reducing the degree of substitution of cellulose esters employing Lewis acids as solvolysis promoters is disclosed. Novel low degree of substitution cellulose esters produced by the invention process are also described.
    Type: Grant
    Filed: April 16, 1990
    Date of Patent: August 25, 1992
    Assignee: Eastman Kodak Company
    Inventors: Michael Bellas, Charles M. Buchanan, Kevin J. Edgar, Ted C. Germroth, Alan K. Wilson
  • Radiation polymerizable starch ester-urethanes
    Patent number: 5138006
    Abstract: Modified starch ester-urethanes prepared by reacting a starch ester containing residual hydroxyl groups with an ethylenically unsaturated isocyanate. The grafted starch ester is a urethane-containing product having pendent groups such as alphamethylstyrene and/or methacrylate moieties. The starch ester-urethane is capable of undergoing crosslinking reactions on exposure to ultraviolet radiation in the presence of a photoinitiator, and optionally ethylenically unsaturated monomers or oligomers. The ethylenically unsaturated starch ester-urethanes of this invention are useful for protective coatings for wood, metal, and plastics.
    Type: Grant
    Filed: February 11, 1991
    Date of Patent: August 11, 1992
    Assignee: Eastman Kodak Company
    Inventors: Phillip M. Cook, Chung M. Kuo, C. Rhea Dunn, Jr.
  • Aqueous printing inks having improved freeze-thaw properties
    Patent number: 5129947
    Abstract: Disclosed are ink compositions having improved freeze-thaw properties that contain an effective amount of propylene glycol, for example, 0.5 to 10 weight percent. The inks also contain a water-dissipatable polyester prepared from certain amounts of isophthalic acid, 5-sodiosulfoisophthalic acid, cyclohexanedimethanol, and diethylene glycol.
    Type: Grant
    Filed: April 24, 1990
    Date of Patent: July 14, 1992
    Assignee: Eastman Kodak Company
    Inventors: Mahendra K. Sharma, Hieu D. Phan
  • Ink reservoir containing modified polyester fibers
    Patent number: 5124205
    Abstract: Disclosed is a novel ink reservoir containing a polyester fiber, such as a poly(ethylene terephthalate) fiber, having at least one continuous groove. The surface of the groove of the fiber is preferably rougher than the surface outside the groove. The ink reservoirs are useful for use with aqueous inks and have improved ink transport properties.
    Type: Grant
    Filed: October 25, 1990
    Date of Patent: June 23, 1992
    Assignee: Eastman Kodak Company
    Inventors: Peter W. Raynolds, Shriram Bagrodia
  • Oxidation of dihydroxyaromatic compounds to quinones
    Patent number: 5118823
    Abstract: Disclosed is a process for making quinones by oxidation of dihydroxyaromatic compounds in the presence of oxygen using supported platinum catalysts.
    Type: Grant
    Filed: December 13, 1990
    Date of Patent: June 2, 1992
    Assignee: Eastman Kodak Company
    Inventors: Dale E. Van Sickle, Garry L. Myers, William D. Nottingham, Glenn C. Jones
  • Method for obtaining a stigmasterol enriched product from deodorizer distillate
    Patent number: 5117016
    Abstract: A method for obtaining a stigmasterol enriched product from esterified deodorizer distillate by use of a particular solvent system. The solvent system contains water, a C.sub.1 to C.sub.6 alcohol such as methanol, and a non-polar solvent such as heptane.
    Type: Grant
    Filed: May 13, 1991
    Date of Patent: May 26, 1992
    Assignee: Eastman Kodak Company
    Inventors: Tommy L. Tackett, Charles A. McCombs
  • Process for preparing diketones and keto-acids
    Patent number: 5107029
    Abstract: This invention concerns a process for preparing diketones and keto-acids by reacting a dicarboxylic acid and an aromatic compound in the presence of an alkylsulfonic acid such as methanesulfonic acid and an organic anhydride compound such as methanesulfonic anhydride or trifluoroacetic anhydride. The diketones and keto-acids can be used to prepare polyketones which are useful as molding plastics, coatings, films, fibers, and the like.
    Type: Grant
    Filed: July 23, 1990
    Date of Patent: April 21, 1992
    Assignee: Eastman Kodak Company
    Inventors: Theodore R. Walker, Jr., Winston J. Jackson, Jr., Jean C. Fleischer
  • Formulations of cellulose esters with arylene-bis(diaryl phosphate)s
    Patent number: 5104450
    Abstract: Blends of cellulose esters and arylene-bis(diaryl phosphate) compounds are described. The blends are useful for preparing film or other molded objects. The blends can possess several desirable properties such as flame-retardation, plasticization, formulaic stabilization and dimensional stabilization.
    Type: Grant
    Filed: September 26, 1990
    Date of Patent: April 14, 1992
    Assignee: Eastman Kodak Company
    Inventors: I. Daniel Sand, John A. Hyatt, Stephen S. Kelley
  • Compatibilized epoxy/polyamide compositions containing polyolefins
    Patent number: 5091469
    Abstract: Disclosed are epoxy/polyamide adhesive compositions having improved flexibility containing a polyolefin and a maleated polypropylene. A typical epoxy/polyamide adhesive is bisphenol A/epichlorohydrin.
    Type: Grant
    Filed: June 28, 1990
    Date of Patent: February 25, 1992
    Assignee: Eastman Kodak Company
    Inventors: Richard A. Miller, David J. Olsen
  • Grafted cellulose esters containing a silicon moiety
    Patent number: 5082914
    Abstract: The invention describes the preparation and use of cellulose esters grafted with silicon-containing thiol pendent groups which can serve as crosslinking agents during free radical polymerization of ethylenically unsaturated materials. The grafted cellulose esters provide a crosslinked polymeric network with enhanced solvent resistance and hardness properties when used in conjunction with ethylenically unsaturated materials.
    Type: Grant
    Filed: December 15, 1989
    Date of Patent: January 21, 1992
    Assignee: Eastman Kodak Company
    Inventors: Phillip M. Cook, Stephen S. Kelley
  • Ink composition containing a blend of a polyester, an acrylic polymer and a vinyl polymer
    Patent number: 5075364
    Abstract: Disclosed is a novel blend of a water-dissipatable polyester material, an acrylic polymer and a water-dissipatable vinyl polymer. The acrylic polymer and the vinyl polymer must be compatible with the polyester. 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-sodiosulfoisophthalic 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, water resistance, and alcohol resistance.
    Type: Grant
    Filed: February 20, 1990
    Date of Patent: December 24, 1991
    Assignee: Eastman Kodak Company
    Inventors: Hieu D. Phan, Gary T. Clark
  • Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol and ethylene glycol
    Patent number: 5057595
    Abstract: Disclosed are copolyesters comprising an acid component of 4,4'-biphenyldicarboxylic acid and a glycol component comprising 1,4-cyclohexanedimethanol and ethylene glycol. The copolyesters exhibit unusually high tensile strength.
    Type: Grant
    Filed: January 31, 1990
    Date of Patent: October 15, 1991
    Assignee: Eastman Kodak Company
    Inventors: John C. Morris, Winston J. Jackson, Jr.
  • Process for treating pigments
    Patent number: 5055500
    Abstract: The present invention concerns a process for preparing a treated blend which contains pigment material dispersed in a continuous phase of water and a polyester material. The invention also concerns compositions prepared from such process. The polyester material of the treated blend is linear, contains a sulfomonomer, and has an average particle size of less than 1 .mu.m.
    Type: Grant
    Filed: October 24, 1989
    Date of Patent: October 8, 1991
    Assignee: Eastman Kodak Company
    Inventors: Kimberly T. Peters, Stephen H. W. Wu
  • 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
  • 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
  • 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 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.