Patents by Inventor Maria-Elisabeth Kaiser

Maria-Elisabeth Kaiser 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).

  • Fiber-free shaped parts
    Patent number: 6967223
    Abstract: A fiber-free molding composition containing: (a) a binder selected from the group consisting of an epoxide, a polyisocyanate, a furane-resin-free phenolic resin, and mixtures thereof; and (b) a filler mixture containing: (i) an inorganic high-temperature-resistant filler; and (ii) a heat-activatable swelling agent.
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: November 22, 2005
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Robert Graf, Maria-Elisabeth Kaiser, Klaus Lehr, Wolfgang Six
  • Fire-resistant opening seal
    Patent number: 6544445
    Abstract: A fire-resistant composite substrate for use in making structural openings fire-resistant, the substrate containing: (a) elastically compressible particles; (b) at least one heat-activated expanding agent; (c) at least one heat-activated binder; and (d) a diisocyanate adhesive.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: April 8, 2003
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Robert Graf, Maria-Elisabeth Kaiser