Patents by Inventor Seth Levenstein

Seth Levenstein 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).

  • Patent number: 6586067
    Abstract: Encapsulated-lens retroreflective sheeting is described which contains an improved binder layer. The binder layer is obtained from a film-forming mixture which comprises: (A) a vinyl chloride copolymer, (B) a thermoplastic polyurethane, and (C) an aminoplast resin. Such binder layer exhibits improved adhesion to metallized beads and to a variety of cover films such as acrylic films.
    Type: Grant
    Filed: April 2, 2001
    Date of Patent: July 1, 2003
    Assignee: Avery Dennison Corporation
    Inventor: Seth Levenstein
  • Publication number: 20030003254
    Abstract: Encapsulated-lens retroreflective sheeting is described which contains an improved binder layer.
    Type: Application
    Filed: April 2, 2001
    Publication date: January 2, 2003
    Inventor: Seth Levenstein
  • Patent number: 6476965
    Abstract: The invention relates to an article, useful as a dry erasable substrate and projection screen, comprising a top layer which is dry erasable and whose surface has a 60° gloss of less than about 60. The article provides a projection surface which has low gloss and therefore causes little eye strain and viewer fatigue. The dry erase board provides good write/rewrite characteristics, erasability, including wet erasability and has good image projection. The article may additionally have one or more of layers which include a pressure sensitive adhesive, support layer, a pigmented layer which is a pressure sensitive adhesive or a pigmented polymer or polymer blend, and a back coat which is optionally pigmented.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: November 5, 2002
    Assignee: Avery Dennison Corporation
    Inventors: LiJuan He, Seth Levenstein