Patents by Inventor Juergen Schroder

Juergen Schroder 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 continuous production of (meth)acrylic alkyl esters
    Patent number: 6353130
    Abstract: A method for continuous production of (meth)acrylic alkyl esters by reacting (meth)acrylic acid with alkanols containing 1-8 C-atoms, whereby raw (meth)acrylic acid containing acetic acid is used as a starting compound and the alkyl acetate that is formed as a by-product is evacuated in an appropriate area.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: March 5, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Heinrich Aichinger, Holger Herbst, Gerhard Nestler, Jürgen Schröder
  • Substance mixtures containing stabilizers and compounds containing vinyl groups
    Patent number: 6200460
    Abstract: Substance mixtures comprising (A) vinyl-containing compounds, (B) an active amount of a mixture inhibiting the premature polymerization of the vinyl-containing compounds, comprising (i) at least one N-oxyl compound of a secondary amine which carries no hydrogen atoms on the &agr;-C atoms, and (ii) at least one iron compound, (C) if appropriate nitro compounds, and (D) if appropriate costabilizers, a process for inhibiting the premature polymerization of vinyl-containing compounds (A) and the use of mixture (B), if appropriate as a mixture with nitro compounds (C) and/or costabilizers (D), for inhibiting the premature polymerization of free radical polymerizable compounds and for stabilizing organic materials against the damaging action of free radicals.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: March 13, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Heinz Friedrich Sutoris, Hermann Uhr, Konrad Mitulla, Jürgen Schröder, Roland Merger, Knut Kessel