Patents by Inventor Alan Lawrence Steinmetz

Alan Lawrence Steinmetz 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: 6929860
    Abstract: Surface-modified fillers are described characterized by the fact that the fillers represent reactive inorganic fillers and the modifying agent represents an amphiphilic aminoplastic-ether polymer or copolymer of the structural type in which: Z denotes the same or different aminoplastic central units based on melamine-formaldehyde or urea-formaldehyde derivatives; n=10 to 500; R denotes the group —[O—CH2—CH2]mO—S in which m=5 to 500 and S represents a substituted or unsubstituted alkyl, aryl, alkaryl or aralkyl group.
    Type: Grant
    Filed: August 2, 2001
    Date of Patent: August 16, 2005
    Assignee: Sud-Chemie AG
    Inventors: Alan Lawrence Steinmetz, Norbert Schall, Klaus Dziwok, Helmut Coutelle, Wolfgang Simon, Stefan Dick, Inge Krämer, Hubert Schiessling
  • Publication number: 20040102585
    Abstract: Graft polymers or copolymers of the structural type are described 1
    Type: Application
    Filed: July 17, 2003
    Publication date: May 27, 2004
    Inventors: Alan Lawrence Steinmetz, Norbert Schall, Klaus Dziwok, Helmut Coutelle, Wolfgang Simon, Stefan Dick, Inge Kramer
  • Publication number: 20030165684
    Abstract: Surface-modified fillers are described characterized by the fact that the fillers represent reactive inorganic fillers and the modifying agent represents an amphiphilic aminoplastic-ether polymer or copolymer of the structural type 1
    Type: Application
    Filed: April 29, 2003
    Publication date: September 4, 2003
    Inventors: Alan Lawrence Steinmetz, Norbert Schall, Klaus Dziwok, Helmut Coutelle, Wolfgang Simon, Stefan Dick, Inge Kramer, Hubert Schiessling