Patents by Inventor Relmund Pieter

Relmund Pieter 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).

  • Mercaptosilanes
    Patent number: 9617287
    Abstract: Mercaptosilanes are disclosed of the formula I wherein R1 is an alkyl polyether group —O—(R5—O)m—R6. They are prepared by a procedure in which a silane of the formula II is subjected to a catalyzed reaction with an alkyl polyether R1—H, R7—OH being split off, the molar ratio of the alkyl polyethers R1—H to the silane of the formula II is at least 0.5 and R7—OH is separated off from the reaction mixture continuously or discontinuously. They can be used in shaped articles.
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: April 11, 2017
    Assignee: EVONIK DEGUSSA GMBH
    Inventors: Oliver Klockmann, Philipp Albert, Andre Hasse, Karsten Korth, Relmund Pieter
  • Mercaptosilanes
    Publication number: 20110287205
    Abstract: Mercaptosilanes are disclosed of the formula I wherein R1 is an alkyl polyether group —O—(R5—O)m—R6. They are prepared by a procedure in which a silane of the formula II is subjected to a catatyzed reaction with an alkyl polyether R1—H, R7—OH being split off, the molar ratio of the alkyl polyethers R1—H to the silane of the formula II is at least 0.5 and R7—OH is separated off from the reaction mixture continuously or discontinuously. They can be used in shaped articles.
    Type: Application
    Filed: August 2, 2011
    Publication date: November 24, 2011
    Inventors: Oliver Klockmann, Philipp Albert, Andre Hasse, Karsten Korth, Relmund Pieter