Patents by Inventor Joachim Lowitz

Joachim Lowitz 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 making esters
    Patent number: 4418204
    Abstract: What is disclosed is a method for the transesterification of lower alkyl esters of .alpha.,.beta.-unsaturated acids such as acrylic and methacrylic acid, with an epoxy alcohol, such as glycidol, which uses 1,4-diazabicyclo(2,2,2)octane as a transesterification catalyst.
    Type: Grant
    Filed: September 23, 1982
    Date of Patent: November 29, 1983
    Assignee: Rohm GmbH
    Inventors: Peter J. Arndt, Joachim Lowitz, Manfred Muller, Fritz Schlosser
  • Method of making polymerizable liquid mixtures
    Patent number: 4239876
    Abstract: What is disclosed is a method for the quaternization of tertiary aminoalkyl esters or tertiary aminoalkyl amides of acrylic acid or of methacrylic acid in admixture with from 30 to 80 percent, by weight of the mixture, of acrylamide employing an alkylating agent in the absence of water to form, in high yield and in short reaction time, a mixture containing the corresponding quaternization products in the form of a fluid mixture which can be used directly for the preparation of copolymers of acrylamide.
    Type: Grant
    Filed: October 22, 1979
    Date of Patent: December 16, 1980
    Assignee: Rohm GmbH
    Inventors: Peter J. Arndt, Joachim Lowitz, Franz Wenzel