Patents by Inventor Oleg Stenzel

Oleg Stenzel 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).

  • Higly dispersible silica for using in rubber
    Patent number: 9540247
    Abstract: The present invention relates to highly disperse precipitated silicas which exhibit an extremely high level of reinforcement of rubber vulcanizates, to a process for their preparation, and to their use as filler for rubber mixtures.
    Type: Grant
    Filed: May 23, 2013
    Date of Patent: January 10, 2017
    Assignee: Evonik Degussa GmbH
    Inventors: Oleg Stenzel, Anke Blume, Hans-Detlef Luginsland, Stefan Uhrlandt, Andre Wehmeier
  • Specially precipitated silicic acids for rubber applications
    Patent number: 8986442
    Abstract: The present invention relates to precipitated silicas which have extremely low microporosity and high rubber activity, to a process for their preparation, and to their use as filler for rubber mixtures.
    Type: Grant
    Filed: January 8, 2004
    Date of Patent: March 24, 2015
    Assignee: Evonik Degussa GmbH
    Inventors: Hans-Detlef Luginsland, Andre Wehmeier, Oleg Stenzel, Stefan Uhrlandt
  • Precipitated silicas as a reinforcing filler for elastomer mixtures
    Patent number: 8658816
    Abstract: The present invention relates to precipitated silicic acids, which have a particularly narrow particle size distribution in combination with a special pore size distribution, to a method for the production thereof, and to the use thereof as a filler for rubber mixtures.
    Type: Grant
    Filed: March 19, 2009
    Date of Patent: February 25, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Andre Wehmeier, Oleg Stenzel, Weicheng Wu, Christian Goetz, Werner Niedermeier, Marinus Haddeman, Anke Blume
  • Highly dispersible silica for using in rubber
    Patent number: 8597425
    Abstract: The present invention relates to highly disperse precipitated silicas which exhibit an extremely high level of reinforcement of rubber vulcanizates, to a process for their preparation, and to their use as filler for rubber mixtures.
    Type: Grant
    Filed: January 8, 2004
    Date of Patent: December 3, 2013
    Assignee: Evonik Degussa GmbH
    Inventors: Oleg Stenzel, Anke Blume, Hans-Detlef Luginsland, Stefan Uhrlandt, André Wehmeier
  • HIGLY DISPERSIBLE SILICA FOR USING IN RUBBER
    Publication number: 20130251616
    Abstract: The present invention relates to highly disperse precipitated silicas which exhibit an extremely high level of reinforcement of rubber vulcanizates, to a process for their preparation, and to their use as filler for rubber mixtures.
    Type: Application
    Filed: May 23, 2013
    Publication date: September 26, 2013
    Inventors: Oleg Stenzel, Anke Blume, Hans-Detlef Luginsland, Stefan Uhrlandt, Andre Wehmeier
  • PRECIPITATED SILICAS AS A REINFORCING FILLER FOR ELASTOMER MIXTURES
    Publication number: 20110021801
    Abstract: The present invention relates to precipitated silicic acids, which have a particularly narrow particle size distribution in combination with a special pore size distribution, to a method for the production thereof, and to the use thereof as a filler for rubber mixtures.
    Type: Application
    Filed: March 19, 2009
    Publication date: January 27, 2011
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Andre Wehmeier, Oleg Stenzel, Weicheng Wu, Christian Goetz, Werner Niedermeier, Marinus Haddeman, Anke Blume
  • Highly dispersible precipitated silica
    Patent number: 7855248
    Abstract: The present invention relates to a highly disperse precipitated silica which has a high surface area, to a process for preparing it, and to its use as a tire filler for commercial vehicles, motorbikes, and high-speed vehicles.
    Type: Grant
    Filed: July 23, 2003
    Date of Patent: December 21, 2010
    Assignee: Evonik Degussa GmbH
    Inventors: Oleg Stenzel, Stefan Uhrlandt, Hans-Detlef Luginsland, André Wehmeier
  • High-surface precipitation silica acids
    Patent number: 7790131
    Abstract: The present invention relates to a highly dispersible silica which has a high surface area, a process to manufacture the aforesaid silica and its use as a tire filler for utility vehicles, motor cycles and high speed vehicles.
    Type: Grant
    Filed: July 25, 2003
    Date of Patent: September 7, 2010
    Assignee: Evonik Degussa GmbH
    Inventors: Oleg Stenzel, Stefan Uhrlandt, Hans-Detlef Luginsland, André Wehmeier
  • Highly dispersible precipitated silica having a high surface area
    Patent number: 7628971
    Abstract: The present invention relates to a highly dispersible silica which has a high surface area, a process to manufacture the aforesaid silica and its use as a tire filler for utility vehicles, motor cycles and high speed vehicles.
    Type: Grant
    Filed: July 28, 2008
    Date of Patent: December 8, 2009
    Assignee: Degussa AG
    Inventors: Oleg Stenzel, Stefan Uhrlandt, Hans-Detlef Luginsland, Andre Wehmeier
  • Precipitated silicas with particular pore size distribution
    Patent number: 7608234
    Abstract: Precipitated silicas useful, for example, as fillers in elastomer mixtures or vulcanizates have a particularly broad pore size distribution of the pores with a pore diameter smaller than that of the maximum of the derivative of the pore volume distribution function, and have simultaneously very low microporosity and high rubber activity.
    Type: Grant
    Filed: September 8, 2006
    Date of Patent: October 27, 2009
    Assignee: Degussa AG
    Inventors: Oleg Stenzel, Hans-Detlef Luginsland, Stefan Uhrlandt, Andre Wehmeier
  • Precipitated silicas with a particular pore size distribution
    Patent number: 7566433
    Abstract: Precipitated silicas which have a broad pore size distribution of the pores with a pore diameter smaller than that of the maximum of the derivative of the pore volume distribution function are useful, for example, for tires.
    Type: Grant
    Filed: September 8, 2006
    Date of Patent: July 28, 2009
    Assignee: Degussa AG
    Inventors: Oleg Stenzel, Anke Blume, Hans-Detlef Luginsland, Ralf Schmoll, Herbert Thoma, Stefan Uhrlandt, Andre Wehmeier
  • HIGHLY DISPERSIBLE PRECIPITATED SILICA HAVING A HIGH SURFACE AREA
    Publication number: 20080293871
    Abstract: The present invention relates to a highly dispersible silica which has a high surface area, a process to manufacture the aforesaid silica and its use as a tire filler for utility vehicles, motor cycles and high speed vehicles.
    Type: Application
    Filed: July 28, 2008
    Publication date: November 27, 2008
    Applicant: Degussa AG
    Inventors: Oleg STENZEL, Stefan Uhrlandt, Hans-Detlef Luginsland, Andre Wehmeier
  • Precipitated silicas with particular pore size distribution
    Publication number: 20070100057
    Abstract: Precipitated silicas useful, for example, as fillers in elastomer mixtures or vulcanizates have a particularly broad pore size distribution of the pores with a pore diameter smaller than that of the maximum of the derivative of the pore volume distribution function, and have simultaneously very low microporosity and high rubber activity.
    Type: Application
    Filed: September 8, 2006
    Publication date: May 3, 2007
    Applicant: DEGUSSA AG
    Inventors: Oleg Stenzel, Hans-Detlef Luginsland, Stefan Uhrlandt, Andre Wehmeier
  • Precipitated silicas with a particular pore size distribution
    Publication number: 20070059232
    Abstract: Precipitated silicas which have a broad pore size distribution of the pores with a pore diameter smaller than that of the maximum of the derivative of the pore volume distribution function are useful, for example, for tires.
    Type: Application
    Filed: September 8, 2006
    Publication date: March 15, 2007
    Applicant: DEGUSSA AG
    Inventors: Oleg Stenzel, Anke Blume, Hans-Detlet Luginsland, Ralf Schmoll, Herbert Thoma, Stefan Uhrlandt, Andre Wehmeier
  • Specially precipitated silicic acids for rubber applications
    Publication number: 20060254463
    Abstract: The present invention relates to precipitated silicas which have extremely low microporosity and high rubber activity, to a process for their preparation, and to their use as filler for rubber mixtures.
    Type: Application
    Filed: January 8, 2004
    Publication date: November 16, 2006
    Applicant: Degussa AG
    Inventors: Hans-Detlef Luginsland, Andre Wehmeier, Oleg Stenzel, Stefan Uhrlandt
  • Highly dispersible silica for using in rubber
    Publication number: 20060165581
    Abstract: The present invention relates to highly disperse precipitated silicas which exhibit an extremely high level of reinforcement of rubber vulcanizates, to a process for their preparation, and to their use as filler for rubber mixtures.
    Type: Application
    Filed: January 8, 2004
    Publication date: July 27, 2006
    Inventors: Oleg Stenzel, Anke Blume, Hans-Detlef Luginsland, Stefan Uhrlandt, Andre Wehmeier
  • Highly dispersible precipitated silica with a high surface area
    Publication number: 20060137575
    Abstract: The present invention relates to a highly dispersible silica which has a high surface area, a process to manufacture the aforesaid silica and its use as a tire filler for utility vehicles, motor cycles and high speed vehicles.
    Type: Application
    Filed: July 24, 2003
    Publication date: June 29, 2006
    Applicant: DEGUSSA AG
    Inventors: Oleg Stenzel, Stefan Uhrlandt, Hans-Detlfef Luginsland, Andre Wehmeier
  • Highly dispersible precititated silica
    Publication number: 20060100344
    Abstract: The present invention relates to a highly disperse precipitated silica which has a high surface area, to a process for preparing it, and to its use as a tire filler for commercial vehicles, motorbikes, and high-speed vehicles.
    Type: Application
    Filed: July 23, 2003
    Publication date: May 11, 2006
    Inventors: Oleg Stenzel, Stefan Uhrlandt, Hans-Detlef Luginsland, Andre Wehmeier
  • High-surface precipitation silicic acids
    Publication number: 20060099129
    Abstract: The present invention relates to a highly dispersible silica which has a high surface area, a process to manufacture the aforesaid silica and its use as a tire filler for utility vehicles, motor cycles and high speed vehicles.
    Type: Application
    Filed: July 25, 2003
    Publication date: May 11, 2006
    Inventors: Oleg Stenzel, Stefan Uhrlandt, Hans-Detlef Luginsland, Andre Wehmeier