Patents Represented by Attorney Mark A. Montgomery

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  • Solid-form additive systems dispersible in aqueous media
    Patent number: 5300256
    Abstract: Solid form additive systems which are dispersible in aqueous media are disclosed, as are methods for preparing such additive systems and methods for dispersing such additive systems in aqueous media. Also disclosed are methods for applying additives to polymeric particles and the polymeric particles treated by such methods.
    Type: Grant
    Filed: October 5, 1992
    Date of Patent: April 5, 1994
    Assignee: Eastman Chemical Company
    Inventor: Mahendra K. Sharma
  • High clarity emulsions containing high melt viscosity maleated polypropylene wax
    Patent number: 5290954
    Abstract: A process is provided for the production of an emulsifiable polypropylene wax having a melt viscosity from 1000 to 5000 cP at 190.degree. C. This process entails reacting at a temperature below 190.degree. C. a thermally degraded polypropylene wax having a melt viscosity below 1000 cP (at 190.degree. C.) with maleic anhydride in the presence of a free radical source. Floor polish formulations containing this polypropylene wax are very clear but yet provide floor finishes that are very tough.
    Type: Grant
    Filed: August 13, 1992
    Date of Patent: March 1, 1994
    Assignee: Eastman Kodak Company
    Inventors: Thomas D. Roberts, Thomas W. Smith, Charlene A. Galvin
  • Aqueous coatings composition contianing cellulose mixed ester and amine neutralized acrylic resin and the process for the preparation thereof
    Patent number: 5286768
    Abstract: An aqueous coating composition is provided containing up to 50 weight percent, based on the total solids, of a cellulose mixed ester and a compatible amine neutralized acrylic resin.
    Type: Grant
    Filed: March 18, 1992
    Date of Patent: February 15, 1994
    Assignee: Eastman Kodak Company
    Inventor: Kenneth R. Walker
  • Process for the partial dehydration of a crude water-wet organic stream of the monohydroperoxide of p-diisopropylbenzene
    Patent number: 5283370
    Abstract: A process for the partial dehydration and partial purification of a crude water-wet organic stream of the monohydroperoxide of p-diisopropylbenzene is disclosed. This crude stream of monohydroperoxide contains at least 2 wt % water and is partially dehydrated by contacting the stream with a non-reactive inorganic salt to remove a portion of the water into a concentrated brine of the inorganic salt followed by separation of the concentrated brine and the product. The crude water-wet organic stream of the monohydroperoxide is optionally filtered and coalesced prior to contacting the nonreactive inorganic salt.
    Type: Grant
    Filed: December 31, 1992
    Date of Patent: February 1, 1994
    Inventors: J. Ronald Hilderbrand, Stephan B. Meydell, III
  • Poly(3-hydroxyalkanoates)
    Patent number: 5281691
    Abstract: Novel poly(3-hydroxyalkanoates), such as poly(3-hydroxybutyrate), and blends of these with other polymers are disclosed. A novel process for producing these poly(3-hydroxyalkanoates) is also disclosed which entails polymerizing one or more .beta.-substituted-.beta.-propiolactone(s) under polymerization conditions in the substantial absence of water in the presence of an anionic initiator.
    Type: Grant
    Filed: June 19, 1992
    Date of Patent: January 25, 1994
    Assignee: Eastman Kodak Company
    Inventors: John C. Hubbs, Marti N. Harrison
  • Emulsifiable linear polyethylene compositions and process for preparation
    Patent number: 5281652
    Abstract: Emulsifiable linear polyethylene compositions which exhibit good hardness and color characteristics can be obtained by oxidizing a blend of about 90 to 60% by weight of either linear low density polyethylene or high density polyethylene and about 10 to 40% by weight paraffin wax to an acid number of 12 to 30 mg KOH/g. The water emulsions obtained from the emulsifiable polyethylene compositions are useful as textile lubricants and fruit coatings.
    Type: Grant
    Filed: December 24, 1990
    Date of Patent: January 25, 1994
    Assignee: Eastman Kodak Company
    Inventor: Gregory A. Cook
  • Elastomeric composition containing elastomer and amorphous propylene/hexene copolymer
    Patent number: 5274037
    Abstract: An elastomeric composition is prepared containing an amorphous propylene/hexene copolymer and an elastomer selected from styrene butadiene styrene block copolymers.
    Type: Grant
    Filed: July 31, 1992
    Date of Patent: December 28, 1993
    Assignee: Eastman Kodak Company
    Inventor: Richard A. Miller
  • Process for the production of fine denier cellulose acetate fibers
    Patent number: 5269996
    Abstract: A method for producing ultra fine denier cellulose acetate fibers that entails spinning a spinning solution containing adequately high amounts of cellulose acetate in acetone wherein the cellulose acetate has a falling ball viscosity of 15 to 70 seconds wherein the spinning is conducted through spinnerettes having holes that have a diameter of less than 36 microns followed by drying at a temperature of about 50.degree. to 80.degree. C. at a draw ratio of 0.9 to 1.7.
    Type: Grant
    Filed: September 14, 1992
    Date of Patent: December 14, 1993
    Assignee: Eastman Kodak Company
    Inventors: Benedict M. Lee, Charles S. Winebarger
  • Extrusion coating process for producing a high gloss polyethylene coating
    Patent number: 5268230
    Abstract: A process of producing a high gloss oxidizable extrusion coated polyethylene is provided. This process entails extrusion coating a low density polyethylene of narrow molecular weight distribution having a low melt index, a low swell ratio, and a polydispersity index below 9.
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: December 7, 1993
    Assignee: Eastman Kodak Company
    Inventor: Ray Edwards
  • Polypropylene laminates and process for the production thereof
    Patent number: 5248364
    Abstract: A multi layer laminate containing a layer of a polypropylene material permanently bonded to an imine primed substrate is disclosed. This laminate contains a layer that is a blend of maleated high molecular weight polypropylene/low density polyethylene and a second layer that is substrate, such as nylon, that is primed with an imine primer such as polyethyleneimine.
    Type: Grant
    Filed: December 30, 1991
    Date of Patent: September 28, 1993
    Assignee: Eastman Kodak Company
    Inventors: Yao-Ching Liu, Ray Edwards
  • 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
  • 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.
  • 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 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
  • Blends of poly (ethylene terephthalate) and trans-4,4'-stilbenedicarboxylic acid polyesters
    Patent number: 5221719
    Abstract: Disclosed are blends of about 99 to about 10 weight % of poly(ethylene terephthalate) and about 1 to about 90 weight % of a polyester of trans-4,4'-stilbenedicarboxylic acid and at least one aliphatic glycol having 2 to 16 carbon atoms. The blends have improved gas barrier properties and improved chemical resistance.
    Type: Grant
    Filed: March 15, 1991
    Date of Patent: June 22, 1993
    Assignee: Eastman Kodak Company
    Inventors: John C. Morris, Winston J. Jackson, Jr.
  • Polyesters from terephthalic acid, 2,6-naphthalenedicarboxylic acid and hydroquinone
    Patent number: 5221730
    Abstract: Disclosed are melt-processable wholly aromatic polyesters prepared from terephthalic acid, 2,6-naphthalenedicarboxylic acid, and hydroquinone.
    Type: Grant
    Filed: November 16, 1990
    Date of Patent: June 22, 1993
    Assignee: Eastman Kodak Company
    Inventors: John C. Morris, Winston J. Jackson, Jr., James R. Bradley
  • Trisubstituted piperazin-2,5-diones
    Patent number: 5214145
    Abstract: Disclosed is a process for preparation of an amino acid, such as phenylalanine, with a high degree of optical purity. The process makes use of the same amino acid as a chiral template.
    Type: Grant
    Filed: January 28, 1991
    Date of Patent: May 25, 1993
    Assignee: Eastman Kodak Company
    Inventors: John C. Hubbs, Charles H. Foster
  • Elastomeric composition
    Patent number: 5210136
    Abstract: An elastomer composition is prepared containing a maleated amorphous polypropylene and an elastomer selected from butyl elastomers, crosslinked butyl elastomers, and styrene ethylene butydiene styrene block copolymers.
    Type: Grant
    Filed: November 16, 1990
    Date of Patent: May 11, 1993
    Assignee: Eastman Kodak Company
    Inventors: Richard A. Miller, Herbert T. Zollman
  • Tetraamides and method for improving feed utilization
    Patent number: 5208034
    Abstract: Disclosed are novel tetraamide compounds and intermediates therefor which are useful in methods for improving feed conversion and/or weight gain in animals such as chickens.
    Type: Grant
    Filed: August 25, 1992
    Date of Patent: May 4, 1993
    Assignee: Eastman Kodak Company
    Inventors: David C. Herting, Alan W. White
  • Solid-form additive systems dispersible in aqueous media
    Patent number: 5204022
    Abstract: Solid form additive systems which are dispersible in aqueous media are disclosed, as are methods for preparing such additive systems and methods for dispersing such additive systems in aqueous media. Also disclosed are methods for applying additives to polymeric particles and the polymeric particles treated by such methods.
    Type: Grant
    Filed: August 11, 1989
    Date of Patent: April 20, 1993
    Assignee: Eastman Kodak Company
    Inventor: Mahendra K. Sharma