Patents by Inventor Thomas Rukavina

Thomas Rukavina has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20070270548
    Abstract: Provided is a composition including a reaction product of: (A) a reactive compound that includes a material having functional groups that are reactive with active hydrogens; (B) a thioether-functional, oligomeric polythiol prepared by reacting together: (1) a compound having at least two thiol functional groups; (2) a compound having triple bond functionality; and optionally (3) a compound having at least two double bonds; and, optionally, (C) a compound different from (B) containing active hydrogens. Coating compositions, articles of manufacture and related processes also are provided.
    Type: Application
    Filed: May 4, 2007
    Publication date: November 22, 2007
    Applicant: PPG INDUSTRIES OHIO, INC.
    Inventors: Nina Bojkova, Thomas Rukavina, Gregory McCollum
  • Publication number: 20070256597
    Abstract: The present invention provides poly(ureaurethane)s including a reaction product of components comprising: (a) about 1 equivalent of at least one polyisocyanate; (b) about 0.1 to about 0.9 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; (c) about 0.1 to about 0.9 equivalents of at least one aliphatic diol having 2 to 18 carbon atoms; and (d) at least one amine curing agent, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: November 8, 2007
    Inventors: Thomas Rukavina, Robert Hunia
  • Publication number: 20070251421
    Abstract: The present invention provides methods of preparing polyurethane powder coating compositions including the steps of: (a) reacting at least one polyisocyanate with at least one aliphatic polyol to form a generally solid, hydroxy functional prepolymer; (b) melting the hydroxy functional prepolymer; (c) melting at least one generally solid polyisocyanate to form a melted polyisocyanate; (d) mixing the hydroxy functional prepolymer and melted polyisocyanate to form a mixture; and (e) solidifying the mixture to form a generally solid powder coating composition; articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: November 1, 2007
    Inventors: Thomas Rukavina, Robert Hunia, Gregory McCollum
  • Publication number: 20070248827
    Abstract: The present invention provides laminates including: (a) at least one layer of at least one polyurethane including a reaction product of components including: (i) at least one polyisocyanate; (ii) at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (iii) at least one diol having 2 to 18 carbon atoms wherein the reaction components are maintained at a temperature of at least about 100° C. for at least about 10 minutes; and (b) at least one layer of a substrate selected from the group consisting of paper, glass, ceramic, wood, masonry, textile, metal or organic polymeric material and combinations thereof; and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: October 25, 2007
    Inventors: Thomas Rukavina, Robert Hunia
  • Publication number: 20070225468
    Abstract: The present invention provides polyurethanes including a reaction product of components comprising: (a) about 1 equivalent of at least one polyisocyanate; (b) about 0.3 to about 1 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; (c) about 0.01 to about 0.3 equivalents of at least one polyol selected from the group consisting of polyester polyol, polycaprolactone polyol and mixtures thereof; and (d) about 0.1 to about 0.7 equivalents of at least one aliphatic diol, wherein the reaction product components are essentially free of polyether polyol and amine curing agent and the reaction components are maintained at a temperature of at least about 100° C. for at least about 10 minutes; compositions, coatings and articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: September 27, 2007
    Inventors: Thomas Rukavina, Robert Hunia
  • Publication number: 20070173582
    Abstract: The present invention provides polyurethane composition including: (a) at least one polyurethane including a reaction product of components comprising: (i) at least one polyisocyanate; (ii) at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (iii) at least one diol having 2 to 18 carbon atoms; and (b) at least one reinforcement material selected from the group consisting of polymeric inorganic materials, nonpolymeric inorganic materials, polymeric organic materials, nonpolymeric organic materials, composites thereof, and combinations thereof; coatings and articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: July 26, 2007
    Inventors: Thomas Rukavina, Robert Hunia, Chia-Cheng Lin, Kaliappa Ragunathan, Vidhu Nagpal
  • Publication number: 20070173627
    Abstract: The present invention provides poly(ureaurethane)s including a reaction product of components including: (a) at least one isocyanate functional urea prepolymer comprising a reaction product of: (1) at least one polyisocyanate selected from the group consisting of polyisocyanate trimers and branched polyisocyanates, the polyisocyanate having at least three isocyanate functional groups; and (2) water; and (b) at least one aliphatic polyol having 4 to 18 carbon atoms and at least 2 hydroxyl groups; compositions, coatings and articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: July 26, 2007
    Inventors: Thomas Rukavina, Robert Hunia, Gregory McCollum
  • Publication number: 20070173601
    Abstract: The present invention provides polyurethanes including a reaction product of components including: (a) an isocyanate functional urethane prepolymer comprising a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.1 to about 0.5 equivalents of at least one diol having 2 to 18 carbon atoms; and (b) about 0.05 to about 0.9 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) up to about 0.45 equivalents of at least one diol having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: July 26, 2007
    Inventors: Thomas Rukavina, Robert Hunia
  • Publication number: 20070167600
    Abstract: The present invention provides polyurethanes including a reaction product of components including: (a) a prepolymer which is the reaction product of components comprising: (1) at least one polyisocyanate; (2) at least one polycaprolactone polyol; and (3) at least one polyol selected from the group consisting of polyalkylene polyol, polyether polyol and mixtures thereof; and (b) at least one diol having 2 to 18 carbon atoms; compositions, coatings and articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: July 19, 2007
    Inventors: Thomas Rukavina, Robert Hunia
  • Publication number: 20070167601
    Abstract: The present invention provides polyurethanes including a reaction product of components comprising: (a) about 1 equivalent of at least one polyisocyanate; (b) about 0.3 to about 1 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; (c) about 0.01 to about 0.3 equivalents of at least one polycarbonate diol; and (d) about 0.1 to about 0.9 equivalents of at least one diol having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyether polyol and the reaction components are maintained at a temperature of at least about 100° C. for at least about 10 minutes; compositions, coatings and articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: July 19, 2007
    Inventors: Thomas Rukavina, Robert Hunia
  • Publication number: 20070155942
    Abstract: The present invention provides polyurethanes including a reaction product of components including: (a) at least one polyisocyanate; (b) at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) at least one polyol having one or more bromine atoms, one or more phosphorus atoms or combinations thereof; compositions, coatings and articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: July 5, 2007
    Inventors: Thomas Rukavina, Robert Hunia
  • Publication number: 20070155935
    Abstract: The present invention provides poly(ureaurethane)s including a reaction product of components comprising: (a) at least one isocyanate functional ureaurethane prepolymer comprising the reaction product of: (1) at least one isocyanate functional urethane prepolymer comprising the reaction product of: (i) a first amount of at least one polyisocyanate; and (ii) a first amount of at least one branched polyol; and (2) water, to form an isocyanate functional ureaurethane prepolymer; and (b) a second amount of at least one polyisocyanate and a second amount of at least one branched polyol; compositions, coatings and articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: July 5, 2007
    Inventors: Thomas Rukavina, Robert Hunia
  • Publication number: 20070155936
    Abstract: The present invention provides polyurethanes including a reaction product of components including: (a) at least one polyisocyanate selected from the group consisting of polyisocyanate trimers and branched polyisocyanates, the polyisocyanate having at least three isocyanate functional groups; and (b) at least one aliphatic polyol having 4 to 18 carbon atoms and at least two hydroxyl groups, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: July 5, 2007
    Inventors: Thomas Rukavina, Robert Hunia
  • Publication number: 20070155895
    Abstract: The present invention provides poly(ureaurethane)s including a reaction product of components comprising: (a) at least one isocyanate functional ureaurethane prepolymer comprising the reaction product of: (1) at least one isocyanate functional urethane prepolymer comprising the reaction product of: (i) a first amount of at least one polyisocyanate selected from the group consisting of polyisocyanate trimers and branched polyisocyanates, the polyisocyanate having at least three isocyanate functional groups; and (ii) a first amount of at least one aliphatic polyol; and (2) water, to form an isocyanate functional ureaurethane prepolymer; and (b) a second amount of at least one polyisocyanate and a second amount of at least one aliphatic polyol; compositions, coatings and articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: July 5, 2007
    Inventors: Thomas Rukavina, Robert Hunia
  • Publication number: 20070148471
    Abstract: The present invention provides polyurethane materials including a first portion of crystalline particles having self-orientation and bonded together to fix their orientation along a first crystallographic direction and a second portion of crystalline particles having self-orientation and bonded together to fix their orientation along a second crystallographic direction, the first crystallographic direction being different from the second crystallographic direction, wherein said crystalline particles comprise greater than about 30% of the total volume of the polyurethane material; compositions, coatings and articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 28, 2007
    Inventors: Thomas Rukavina, Robert Hunia, Veronica Frain
  • Publication number: 20070149748
    Abstract: The present invention provides poly(ureaurethane)s including a reaction product of components comprising: (a) at least one polyisocyanate selected from the group consisting of polyisocyanate trimers and branched polyisocyanates, the polyisocyanate having at least three isocyanate functional groups; (b) about 0.1 to about 0.9 equivalents of at least one polyol having 4 to 18 carbon atoms and at least 2 hydroxyl groups; and (c) at least one amine curing agent, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 28, 2007
    Inventors: Thomas Rukavina, Robert Hunia
  • Publication number: 20070149747
    Abstract: The present invention provides poly(ureaurethane)s including a reaction product of components comprising: (a) at least one polyisocyanate selected from the group consisting of polyisocyanate trimers and branched polyisocyanates, the polyisocyanate having at least three isocyanate functional groups; (b) about 0.1 to about 0.9 equivalents of at least one polyol having 4 to 18 carbon atoms and at least 2 hydroxyl groups; and (c) at least one amine curing agent, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 28, 2007
    Inventors: Thomas Rukavina, Robert Hunia
  • Publication number: 20070149749
    Abstract: The present invention provides polyurethanes including a reaction product of components including: (a) about 1 equivalent of at least one polyisocyanate; (b) about 0.3 to about 1 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) about 0.01 to about 0.3 equivalents of at least one polycarbonate diol, wherein the reaction product components are essentially free of polyether polyol and amine curing agent and the reaction components are maintained at a temperature of at least about 100° C. for at least about 10 minutes; compositions, coatings and articles made therefrom and methods of making the same.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 28, 2007
    Inventors: Thomas Rukavina, Robert Hunia
  • Publication number: 20070142602
    Abstract: The present invention relates to polyurethanes and sulfur-containing polyurethanes, and methods of their preparation. In a non-limiting embodiment, polyisocyanate, polyisothiocyanate or mixtures thereof can be reacted with polyol, polythiol or mixtures thereof and diol, diothiol or mixtures therof to produce polyurethane and/or sulfur-containing polyurethane.
    Type: Application
    Filed: December 16, 2005
    Publication date: June 21, 2007
    Inventor: Thomas Rukavina
  • Publication number: 20070142606
    Abstract: The present invention relates to polyurethane(ureas), sulfur-containing polyurethane(ureas) and methods for their preparation. Polyurethane(urea) of the present invention can be prepared by combining polyisocyanate; trifunctional or higher-functional polyol diol and diamine. Sulfur-containing polyurethane(urea) of the present invention can be prepared by combining (a) polyisocyanate and/or polyisothiocyanate; (b) trifunctional or higher-functional (c) polyol and/or trifunctional or higher-functional polythiol and diol and/or dithiol and/or dithiol oligomer and (d) diamine wherein at least one of (a), (b), (c) and (d) is sulfur-containing.
    Type: Application
    Filed: December 16, 2005
    Publication date: June 21, 2007
    Inventors: Nina Bojkova, Daryl Robinson, Thomas Rukavina