Patents by Inventor Lawrence Hallenbeck

Lawrence Hallenbeck 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).

  • Low gloss dry erasable surface
    Publication number: 20050112324
    Abstract: A low gloss dry-erasable multilayer composite comprises a first layer having a dry-erasable outer surface and a second layer having a microroughened surface. Preferably, the second layer is microroughened by cure-induced surface wrinkling. The first layer preferably comprises a polymer comprising at least one pendant fluoroalkoxyalkyl functionality. Methods of making low gloss dry erasable multilayer composites are also provided. New dry-erasable coating compositions comprising certain amine resin crosslinking agents are also provided.
    Type: Application
    Filed: November 21, 2003
    Publication date: May 26, 2005
    Inventors: Barry Rosenbaum, Raymond Weinert, James Robbins, Michael Easterling, Lawrence Hallenbeck