Patents by Inventor Karl-Heinz Weigert

Karl-Heinz Weigert 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).

  • Method for the treatment of substrates
    Patent number: 8193266
    Abstract: The use of compounds of the general formula I in aqueous binder-containing formulations, wherein the variables are each as defined as follows: R1 is selected from C1-C20-alkyl, straight chain or branched, or CO—C1-C19-alkyl or CO—C2-C19-alkenyl, straight chain or branched, R2 in each occurrence is the same or different and selected from C1-C3-alkyl, R3 is selected from C1-C20-alkyl, straight chain or branched, or CO—C1-C19-alkyl or CO—C2-C19-alkenyl, straight chain or branched, x is from 0 to 20, y is from 0 to 20, provided x and y are not both zero, a is from 1 to 3.
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: June 5, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Siemensmeyer, Johann Mueller, Stefan Kuhn, Karl-Heinz Weigert, Oihana Elizalde
  • METHOD FOR THE TREATMENT OF SUBSTRATES
    Publication number: 20100062666
    Abstract: The use of compounds of the general formula I in aqueous binder-containing formulations, wherein the variables are each as defined as follows: R1 is selected from C1-C20-alkyl, straight chain or branched, or CO—C1-C19-alkyl or CO—C2-C19-alkenyl, straight chain or branched, R2 in each occurrence is the same or different and selected from C1-C3-alkyl, R3 is selected from C1-C20-alkyl, straight chain or branched, or CO—C1-C19-alkyl or CO—C2-C19-alkenyl, straight chain or branched, x is from 0 to 20, y is from 0 to 20, provided x and y are not both zero, a is from 1 to 3.
    Type: Application
    Filed: October 23, 2007
    Publication date: March 11, 2010
    Applicant: BASF SE
    Inventors: Karl Siemensmeyer, Johann Mueller, Stefan Kuhn, Karl-Heinz Weigert, Oihana Elizalde