Patents by Inventor Constantin Frerick

Constantin Frerick 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 producing specific oximes and oximethers
    Patent number: 9464038
    Abstract: Method for preparing certain oximes and oxime O-methyl ethers by reacting poorly water-soluble carbonyl compounds with salts of hydroxylamine or hydroxylamine O-methyl ether or the free base of hydroxylamine in the presence of certain phosphoric esters or salts thereof of the formula (I) wherein R1, R2 and X are defined as specified in the description.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: October 11, 2016
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Albert Schnatterer, Dieter Heinz, Martin Littmann, Ulrich Philipp, Juergen Ludwig, Constantin Frerick, Michael Barz
  • IMPROVED METHOD FOR PRODUCING SPECIFIC OXIMES AND OXIMETHERS
    Publication number: 20160107986
    Abstract: Method for preparing certain oximes and oxime O-methyl ethers by reacting poorly water-soluble carbonyl compounds with salts of hydroxylamine or hydroxylamine O-methyl ether or the free base of hydroxylamine in the presence of certain phosphoric esters or salts thereof of the formula (I) wherein R1, R2 and X are defined as specified in the description.
    Type: Application
    Filed: May 20, 2014
    Publication date: April 21, 2016
    Inventors: Albert SCHNATTERER, Dieter HEINZ, Martin LITTMANN, Ulrich PHILIPP, Juergen LUDWIG, Constantin FRERICK, Michael BARZ
  • APPARATUS AND METHOD FOR MATERIAL SEPARATION
    Publication number: 20110272357
    Abstract: An apparatus for separating or isolating substances in or from a mixture has at least one diffusion-based chromatography matrix and at least one convection-based chromatography matrix.
    Type: Application
    Filed: December 2, 2009
    Publication date: November 10, 2011
    Applicant: SARTORIUS STEDIM BIOTECH GMBH
    Inventors: Andrzej Gorak, Peter Kreis, Peter Van Beijeren Bergen en Henegouwen, Rene Faber, Wolfgang Demmer, Constantin Frerick