Patents by Inventor Horst Dudzik

Horst Dudzik 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).

  • NOVEL ORGANOMODIFIED SILOXANES HAVING PRIMARY AMINO FUNCTIONS, NOVEL ORGANOMODIFIED SILOXANES HAVING QUATERNARY AMMONIUM FUNCTIONS AND THE METHOD FOR THE PRODUCTION THEREOF
    Publication number: 20120282210
    Abstract: The invention relates to a method for producing siloxanes selectively carrying primary amino groups by reacting them with ammonia, and to compounds produced in this way.
    Type: Application
    Filed: December 29, 2010
    Publication date: November 8, 2012
    Applicant: Evonik Goldschmidt GmbH
    Inventors: Frauke Henning, Wilfried Knott, Horst Dudzik
  • Equilibration of Siloxanes on Water-Containing Sulphonated Cation Exchange Resins
    Publication number: 20110172373
    Abstract: The invention relates to a process for producing equilibration products of organosiloxanes by rearrangement of the siloxane bond to a cation exchange resin, the organopolysiloxanes thus obtainable, and the use thereof.
    Type: Application
    Filed: August 21, 2009
    Publication date: July 14, 2011
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Wilfried Knott, Frauke Henning, Klaus-Dieter Klein, Horst Dudzik
  • NOVEL SILICONE POLYETHER COPOLYMERS AND PROCESS FOR PREPARATION THEREOF
    Publication number: 20110021693
    Abstract: Novel silicone polyether copolymers of inverse structure of the formula 1, characterized in that no unsaturated functional groups caused by side reactions or conversion products thereof are present in the copolymer, and a process for preparation thereof, in which a polyether modified terminally and/or laterally with alkoxysilyl groups is reacted with silanes and/or siloxanes which bear one or more hydrolysis-labile groups, in a hydrolysis and condensation reaction.
    Type: Application
    Filed: July 16, 2010
    Publication date: January 27, 2011
    Applicant: Evonik Goldschmidt GmbH
    Inventors: Frauke Henning, Frank Schubert, Wilfried Knott, Horst Dudzik
  • COMPOSITIONS CONTAINING POLYETHER-POLYSILOXANE COPOLYMERS
    Publication number: 20100298455
    Abstract: The present invention relates to compositions containing polyether-siloxane copolymers which are based on branched SiH-functional siloxanes, where at least one of the polyether-siloxane copolymers has a radical —OR8 where R8=hydrogen or an alkyl radical having from 1 to 10 carbon atoms which is bound to a silicon atom, a process for producing polyurethane foam in which these compositions are used as foam stabilizers, polyurethane foams containing these compositions and the use of these polyurethane foams.
    Type: Application
    Filed: May 20, 2010
    Publication date: November 25, 2010
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Frauke Henning, Carsten Schiller, Horst Dudzik, Eva Emmrich, Annegret Terheiden, Martin Glos, Wilfried Knott, Christian Eilbracht
  • METHOD FOR PRODUCING BRANCHED SIH FUNCTIONAL POLYSILOXANES AND THE USE THEREOF FOR PRODUCING SIC- AND SIOC-LINKED, BRANCHED ORGANOMODIFIED POLYSILOXANES
    Publication number: 20100249339
    Abstract: The invention provides a process for preparing branched SiH-functional siloxanes by converting a mixture of one or more low molecular weight SiH-functional siloxanes, one or more low molecular weight SiH-free siloxanes and one or more trialkoxysilanes with addition of water and in the presence of at least one Brønsted-acidic catalyst, which is characterized in that the reaction is performed in one process step.
    Type: Application
    Filed: September 23, 2008
    Publication date: September 30, 2010
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Frauke Henning, Wilfried Knott, Horst Dudzik
  • Equilibration of siloxanes
    Patent number: 7612158
    Abstract: The invention relates to a process for the preparation of equilibration products of organosiloxanes by rearrangement of the siloxane bond to a cation exchange resin, the organopolysiloxanes thus obtainable and the use thereof.
    Type: Grant
    Filed: July 10, 2006
    Date of Patent: November 3, 2009
    Assignee: Goldschmidt AG
    Inventors: Georg Burkhart, Juergen Droese, Horst Dudzik, Klaus-Dieter Klein, Wilfried Knott, Volker Moehring
  • Process for working up polyethersiloxanes
    Patent number: 7612159
    Abstract: The invention relates to a process for working up polyethersiloxanes, wherein said polyethersiloxanes are treated with H2O2 and are separated from volatile components by separation methods known per se.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: November 3, 2009
    Assignee: Goldschmidt AG
    Inventors: George Burkhart, Horst Dudzik, Wolfgang Hiersche, Wilfried Knott, Volker Möhring
  • Equilibration of siloxanes
    Patent number: 7196153
    Abstract: The invention relates to a process for the preparation of equilibration products of organosiloxanes by rearrangement of the siloxane bond to a cation exchange resin, the organopolysiloxanes thus obtainable and the use thereof.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: March 27, 2007
    Assignee: Goldschmidt AG
    Inventors: Georg Burkhart, Jurgen Dröse, Horst Dudzik, Klaus-Dieter Klein, Wilfried Knott, Volker Möhring
  • EQUILIBRATION OF SILOXANES
    Publication number: 20060241270
    Abstract: The invention relates to a process for the preparation of equilibration products of organosiloxanes by rearrangement of the siloxane bond to a cation exchange resin, the organopolysiloxanes thus obtainable and the use thereof.
    Type: Application
    Filed: July 10, 2006
    Publication date: October 26, 2006
    Applicant: Goldschmidt
    Inventors: Georg Burkhart, Jurgen Drose, Horst Dudzik, Klaus-Dieter Klein, Wilfried Knott, Volker Mohring
  • Siloxane compounds and their use as homogenizer in release agents with matting effect for producing moldings from plastics with matt surfaces
    Patent number: 7125585
    Abstract: The invention relates to siloxane compounds of the general formula (I) where R is an unbranched or branched hydrocarbon radical having from 16 to 50 carbon atoms; a is a value from 0.8 to 1.5; b is a value from a to 3, and to their use as homogenizer in release agents with matting effect.
    Type: Grant
    Filed: September 24, 2003
    Date of Patent: October 24, 2006
    Assignee: Goldschmidt GmbH
    Inventors: Horst Dudzik, Wilfried Knott, Helmut Lammerting
  • Equilibration of siloxanes
    Publication number: 20040147703
    Abstract: The invention relates to a process for the preparation of equilibration products of organosiloxanes by rearrangement of the siloxane bond to a cation exchange resin, the organopolysiloxanes thus obtainable and the use thereof.
    Type: Application
    Filed: January 15, 2004
    Publication date: July 29, 2004
    Inventors: Georg Burkhart, Juergen Droese, Horst Dudzik, Klaus-Dieter Klein, Wilfried Knott, Volker Moehring
  • Process for working up polyethersiloxanes
    Publication number: 20040132951
    Abstract: The invention relates to a process for working up polyethersiloxanes, wherein said polyethersiloxanes are treated with H2O2 and are separated from volatile components by separation methods known per se.
    Type: Application
    Filed: December 18, 2003
    Publication date: July 8, 2004
    Inventors: George Burkhart, Horst Dudzik, Wolfgang Hiersche, Wilfried Knott, Volker Mohring
  • Novel siloxane compounds and their use as homogenizer in release agents with matting effect for producing moldings from plastics with matt surfaces
    Publication number: 20040062734
    Abstract: The invention relates to siloxane compounds of the general formula (I) 1
    Type: Application
    Filed: September 24, 2003
    Publication date: April 1, 2004
    Inventors: Horst Dudzik, Wilfried Knott, Helmut Lammerting