Patents by Inventor Kenneth E. Wohltmann

Kenneth E. Wohltmann 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).

  • Cross-linkable coating composition and method of producing the same
    Patent number: 10144846
    Abstract: The instant invention provides cross-linkable coating compositions, process for producing the same, and substrates coated therewith. The cross-linkable coating composition comprises: (a) polyaldehyde, or acetal or hemiacetal thereof; (b) an acid catalyst having pKa of less than 6; (c) a liquid media; (d) an acrylic polycarbamate comprising at least an average of 2.0 carbamate functional groups, wherein said polycarbamate has a glass transition (Tg) of less than 25° C.; and (e) one or more fillers having a pH in the range of equal to or less than 9 and/or one or more pigments having a pH in the range of equal to or less than 9, and/or one or more additives having a pH in the range of equal to or less than 9, wherein said composition has a curing temperature in the range of less than 70° C.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: December 4, 2018
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Paul J. Popa, Ben W. Schaefer, John N. Argyropoulos, Kenneth E. Wohltmann, Sandra Hofmann, Daniel Haile, Yanxiang Li, Paul Foley
  • A Cross-Linkable Coating Composition and Method of Producing the Same
    Publication number: 20160130472
    Abstract: The instant invention provides cross-linkable coating compositions, process for producing the same, and substrates coated therewith. The cross-linkable coating composition comprises: (a) polyaldehyde, or acetal or hemiacetal thereof; (b) an acid catalyst having pKa of less than 6; (c) a liquid media; (d) an acrylic polycarbamate comprising at least an average of 2.0 carbamate functional groups, wherein said polycarbamate has a glass transition (Tg) of less than 25° C.; and (e) one or more fillers having a pH in the range of equal to or less than 9 and/or one or more pigments having a pH in the range of equal to or less than 9, and/or one or more additives having a pH in the range of equal to or less than 9, wherein said composition has a curing temperature in the range of less than 70° C.
    Type: Application
    Filed: June 5, 2014
    Publication date: May 12, 2016
    Inventors: Paul J. Popa, Ben W. Schaefer, John N. Argyropoulos, Kenneth E. Wohltmann, Sandra Hofmann, Daniel Haile, Yanxiang Li, Paul Foley
  • CROSS-LINKABLE COATING COMPOSITION AND METHOD OF PRODUCING THE SAME
    Publication number: 20140369850
    Abstract: The instant invention provides cross-linkable coating compositions, process for producing the same, and substrates coated therewith. The cross-linkable coating composition comprises: (a) polyaldehyde, or acetal or hemiacetal thereof; (b) an acid catalyst having pKa of less than 6; (c) a liquid media; (d) an acrylic polycarbamate comprising at least an average of 2.0 carbamate functional groups, wherein said polycarbamate has a glass transition (Tg) of less than 25° C.; and (e) one or more fillers having a pH in the range of equal to or less than 9 and/or one or more pigments having a pH in the range of equal to or less than 9, and/or one or more additives having a pH in the range of equal to or less than 9, wherein said composition has a curing temperature in the range of less than 70° C.
    Type: Application
    Filed: June 18, 2013
    Publication date: December 18, 2014
    Inventors: Paul J. Popa, Ben W. Schaefer, John N. Argyropoulos, Kenneth E. Wohltmann, Sandra Hofmann, Daniel Haile, Paul Foley, YanXiang Li