Patents by Inventor Simon W. Kantor

Simon W. Kantor 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).

  • Liquid crystal copolymer containing alkoxy-substituted para-phenylene terephthalate groups
    Patent number: 5389286
    Abstract: Random and block copolyesters which are liquid crystalline can be formed containing: (a) alkoxy-substituted para-phenylene terephthalate groups (i.e., derived from an analogously substituted hydroquinone reagent); and (b) alkylene-terephthalate groups (e.g., where the alkylene moiety contains 2 to 10 carbon atoms).
    Type: Grant
    Filed: October 8, 1992
    Date of Patent: February 14, 1995
    Assignee: University of Massachusetts at Amherst
    Inventors: Ashok Tendolkar, Sridevi Narayan, Simon W. Kantor, Robert W. Lenz
  • Thermotropic liquid crystalline poly(ester-amides)
    Patent number: 5319064
    Abstract: Thermotropic liquid crystalline poly(ester-amide) compositions are disclosed which comprise a bis(4-carbonyl phenylene) terephthalate unit and a unit derived from an N-substituted hydrocarbylenediamine (e.g., one derived from an N,N-dialkylalkylene).
    Type: Grant
    Filed: October 6, 1992
    Date of Patent: June 7, 1994
    Assignees: Univ. of Mass. at Amherst, Akzo N.V.
    Inventors: Thomas F. McCarthy, Robert W. Lenz, Simon W. Kantor, Ki-Soo Kim, Sophia Dashevsky
  • Copolymer of liquid crystal triad aromatic ester mesogenic unit with flexible spacer and polyester
    Patent number: 5157103
    Abstract: A copolymer of (1) a triad aromatic ester mesogenic unit containing a flexible polyalkylene spacer in the main chain thereof and (2) a polyester is disclosed.
    Type: Grant
    Filed: January 30, 1991
    Date of Patent: October 20, 1992
    Assignee: University of Massachusetts at Amherst
    Inventors: Simon W. Kantor, Robert W. Lenz, William J. Ward
  • Process to synthesize liquid crystalline polyesters
    Patent number: 5149757
    Abstract: Liquid crystalline polyesters of the aromatic triad type are formed by reaction of an alkylene bis(acetoxybenzoate) monomer and an aromatic dicarboxylic acid monomer with removal of acetic acid by-product therefrom.
    Type: Grant
    Filed: May 1, 1990
    Date of Patent: September 22, 1992
    Assignee: University of Massachusetts at Amherst
    Inventors: Simon W. Kantor, Robert W. Lenz, William J. Ward
  • Liquid crystalline polyesters formed by reaction of bis(hydroxyalkoxy) biphenyls with terephthaloyl chloride
    Patent number: 5032669
    Abstract: Novel liquid crystal polyesters can be formed by reaction of bis(hydroxyalkoxy)biphenyls (including the novel bis(2-hydroxybutoxy)biphenyl) with terephthaloyl chloride.
    Type: Grant
    Filed: May 1, 1990
    Date of Patent: July 16, 1991
    Assignee: University of Massachusetts at Amherst
    Inventors: Simon W. Kantor, Robert W. Lenz, William J. Ward
  • Rigid isocyanurate polyurethane foams and method for preparing same
    Patent number: 4271273
    Abstract: Rigid isocyanurate urethane polymers useful for insulation purposes and characterized by superior thermal stability are prepared by reacting an excess of polymeric isocyanate with butenediol in the presence of blowing agent and catalyst.
    Type: Grant
    Filed: June 25, 1979
    Date of Patent: June 2, 1981
    Assignee: GAF Corporation
    Inventors: Jerome B. Biranowski, Donald H. Lorenz, Simon W. Kantor