Patents by Inventor Matthew Stewart Gebhard

Matthew Stewart Gebhard 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: 20040161542
    Abstract: An aqueous composition containing at least one unsaturated fatty acid ester and polymer having pendant crosslinking groups is provided. The aqueous composition contains less than 5 weight % volatile organic compounds, based on the weight of the aqueous composition. A method is provided for preparing a nonyellowing dry crosslinked coating. The aqueous composition is useful for preparing crosslinked coatings, suitable in coating applications such as architectural or maintenance paints.
    Type: Application
    Filed: February 5, 2004
    Publication date: August 19, 2004
    Inventors: Otto Carl Ziemann, Allen Phillip Marks, Matthew Stewart Gebhard
  • Publication number: 20040102568
    Abstract: An aqueous coating composition including a pigment and an aqueous acrylic emulsion polymer including, as copolymerized units, from 50% to 99.75% by weight, based on dry polymer weight, monoethylenically unsaturated nonionic (meth)acrylic monomer and from 0.25% to 10% by weight, based on dry polymer weight, monoethylenically unsaturated acid monomer, the polymer having a Tg of −10° C. to 35° C. wherein the emulsion polymer is formed by a certain emulsion polymerization process at a temperature of from 70° C. to 99° C. in the presence of a thermal initiator is provided. Further provided is a method for forming a dry coating therefrom.
    Type: Application
    Filed: November 3, 2003
    Publication date: May 27, 2004
    Inventors: Brian Michael Bridgewater, Martin John Deetz, Ralph Craig Even, Matthew Stewart Gebhard, Caren Ann Puschak
  • Publication number: 20040013809
    Abstract: An aqueous coating composition having improved adhesion to friable surfaces including an emulsion polymer of certain compositions and certain acid numbers having a glass transition temperature of −20 C to 100 C and an average particle diameter less than 120 nanometers; and 0.25-10%, by weight based on emulsion polymer weight, water-soluble alkoxylated amine is provided. In addition a method for for improving adhesion to friable surfaces by using the aqueous coating compositions of the invention is provided.
    Type: Application
    Filed: July 10, 2003
    Publication date: January 22, 2004
    Inventors: Matthew Stewart Gebhard, Bradley Keith Hageman
  • Patent number: 6660801
    Abstract: An aqueous coating composition having improved adhesion to friable surfaces including an emulsion polymer of certain compositions and certain acid numbers having a glass transition temperature of −20 C to 100 C and an average particle diameter less than 120 nanometers; and 0.25-10%, by weight based on emulsion polymer weight, water-soluble alkoxylated amine is provided. In addition a method for for improving adhesion to friable surfaces by using the aqueous coating compositions of the invention is provided.
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: December 9, 2003
    Assignee: Rohm and Haas Company
    Inventors: Matthew Stewart Gebhard, Bradley Keith Hageman
  • Patent number: 6586516
    Abstract: The present invention relates to an aqueous coating composition having low volatile organic compounds (VOC) and producing a coating having excellent durability and resistance properties. The coating composition contains acetoacetate functional polymer and divalent metal ions. Coating compositions of the present invention are particularly useful in ink, polish and coating compositions where a tough, resistant coating is required. The coating composition can be used on various substrates such as floors, walls wood, metal, plastic, stone, paper, leather and concrete.
    Type: Grant
    Filed: October 4, 1996
    Date of Patent: July 1, 2003
    Assignee: Rohm and Haas Company
    Inventors: Mark Alan Kesselmayer, Theodore Tysak, Matthew Stewart Gebhard, Min-Chi Tsai von Trentini
  • Publication number: 20030088014
    Abstract: A polymer composition including polymer particles containing a first polymer and a second polymer is disclosed. The first polymer has a crosslinked core and has a glass transition temperature in the range of −30° C. to 100° C. The second polymer containing select crosslinking groups and has a glass transition temperature in the range of −10° C. to less than 18° C. A process to prepare the polymer composition is provided. Also provided are a coated article containing a coating prepared from the polymer composition and a method of preparing the coated article. The polymer composition has good low temperature film formation and provides a film with an acceptable level of hardness.
    Type: Application
    Filed: October 11, 2002
    Publication date: May 8, 2003
    Inventors: Steven Scott Edwards, Matthew Stewart Gebhard, Allen Philip Marks, Alvin Michael Maurice
  • Patent number: 6428844
    Abstract: A method for reducing the amount of microfoam in a spray-applied waterborne polymeric composition is provided, wherein a gas, such as, for example, carbon dioxide, having a solubility factor greater than one is used in spraying the waterborne composition. Articles so coated are also provided. And, a method for increasing the density of a spray-dried waterborne polymeric composition is provided, wherein a gas, such as, for example, carbon dioxide, having a solubility factor greater than one is used in spray-drying the waterborne composition.
    Type: Grant
    Filed: November 15, 1993
    Date of Patent: August 6, 2002
    Assignee: Rohm and Haas Company
    Inventors: Matthew Stewart Gebhard, Ethan Scott Simon
  • Patent number: 5932350
    Abstract: In a method for coating a substrate, preferably a cellulosic substrate, an aqueous coating comprising a polymer having carbonyl functional moities may be tandem coated directly onto or beneath an UV cured coating. The method provides a low VOC system which offers good adhesion between the two coatings.
    Type: Grant
    Filed: December 5, 1997
    Date of Patent: August 3, 1999
    Assignee: Rohm and Haas Company
    Inventors: Rosemarie Palmer Lauer, Matthew Stewart Gebhard, Anne Seton Demasi
  • Patent number: 5922410
    Abstract: The invention relates to wood coating composition selected to accentuate the color and the natural grain structure of the underlying surface of a wood article, such as, a furniture or carving. The surface of the article is coated with a waterborne system that includes a copolymer copolymerized from at least one first copolymerizable monomer and at least one second copolymerizable monomer containing a conjugate base of a strong acid. The coating enhances the reddish-yellow hues and suppress the bluish hues and grays. Such a coating is aesthetically pleasing and it enhances the natural beauty of high quality wood, such as, rose, cherry, teak, mahogany. The present method can be utilized by furniture manufacturers who plan to replace solvent borne coating compositions, such as nitrocellulose-based lacquers, with waterborne coating compositions.
    Type: Grant
    Filed: January 18, 1995
    Date of Patent: July 13, 1999
    Assignee: Rohm and Haas Company
    Inventors: Andrew Joseph Swartz, Maria Elizabeth Curry-Nkansah, Rosemarie Palmer Lauer, Matthew Stewart Gebhard
  • Patent number: 5849833
    Abstract: The present invention relates to fast drying waterborne printing inks and to method of using such inks in high speed printing processes, such rotogravure and flexographic printing processes. The printing ink includes, for example, a blend of a latex binder and a polyfunctional amine. The pH of the ink is raised by adding a sufficient amount of base, to a point where essentially all of the polyfunctional amine in the blend is in a deprotonated state.
    Type: Grant
    Filed: July 10, 1996
    Date of Patent: December 15, 1998
    Assignee: Rohm and Haas Company
    Inventors: Caren Ann Puschak, Anne Margarat Bacho, Gary Robert Larson, Matthew Stewart Gebhard, Alvin Charles Lavoie