Patents by Inventor Christof Brehm

Christof Brehm 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).

  • Patent number: 10954343
    Abstract: Compositions containing ?-ketocarbonyl-functional organopolysiloxanes, aminoalkyl-functional organopolysiloxanes, and optionally an organometallic compound provide textiles with high and lasting water repellency.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: March 23, 2021
    Assignee: WACKER CHEMIE AG
    Inventors: Anton Heller, Christof Brehm
  • Patent number: 10920369
    Abstract: Storage stable aqueous dispersions of ?-ketocarbonyl functional organosilicon compounds are prepared using a non-ionic emulsifier having an HLB of less than 15. The compositions are suitable for treating textiles.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: February 16, 2021
    Assignee: WACKER CHEMIE AG
    Inventors: Christof Brehm, Anton Heller, Elisabeth Hoelzlwimmer
  • Patent number: 10870732
    Abstract: Defoamer preparations contain a polyorganosiloxane having aryl groups bonded to silicon at a ring carbon, filler particles and/or silicone resin particles, and a polyoxyalkylene polyether containing oxypropylene moieties. In addition to being efficient and compatible, the defoamer compositions retain their efficiency, especially in liquid detergents, after storage.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: December 22, 2020
    Assignee: WACKER CHEMIE AG
    Inventors: Holger Rautschek, Richard Becker, Christof Brehm
  • Patent number: 10870071
    Abstract: Defoamer compositions containing a plurality of defined organopolysiloxanes exhibit very short initial foam collapse and yet exhibit long lasting defoaming activity when added to aqueous media prone to foaming.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: December 22, 2020
    Assignee: WACKER CHEMIE AG
    Inventors: Christof Brehm, Willibald Burger, Wolfgang Ziche
  • Patent number: 10744425
    Abstract: Effective defoamer compositions contain two different aryl-substituted organopolysiloxanes and filler particles, and show high defoaming capability.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: August 18, 2020
    Assignee: WACKER CHEMIE AG
    Inventors: Christof Brehm, Richard Becker, Holger Rautschek
  • Patent number: 10675230
    Abstract: Emulsions of carbamato-functional organopolysiloxanes emulsified with the aid of cationic emulsifiers are useful for treating textiles to provide good haptic properties, and also in hair care products.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: June 9, 2020
    Assignee: WACKER CHEMIE AG
    Inventors: Christof Brehm, Richard Becker, Elisabeth Hoelzlwimmer, Christine Stalleicher
  • Publication number: 20200165393
    Abstract: Defoamer preparations contain a polyorganosiloxane having aryl groups bonded to silicon at a ring carbon, filler particles and/or silicone resin particles, and a polyoxyalkylene polyether containing oxypropylene moieties. In addition to being efficient and compatible, the defoamer compositions retain their efficiency, especially in liquid detergents, after storage.
    Type: Application
    Filed: February 21, 2017
    Publication date: May 28, 2020
    Applicant: Wacker Chemie AG
    Inventors: Holger RAUTSCHEK, Richard BECKER, Christof BREHM
  • Publication number: 20190345292
    Abstract: Compositions containing ?-ketocarbonyl-functional organopolysiloxanes, aminoalkyl-functional organopolysiloxanes, and optionally an organometallic compound provide textiles with high and lasting water repellency.
    Type: Application
    Filed: November 16, 2016
    Publication date: November 14, 2019
    Applicant: WACKER CHEMIE AG
    Inventors: Anton HELLER, Christof BREHM
  • Publication number: 20190309468
    Abstract: Storage stable aqueous dispersions of ?-ketocarbonyl functional organosilicon compounds are prepared using a non-ionic emulsifier having an HLB of less than 15. The compositions are suitable for treating textiles.
    Type: Application
    Filed: November 16, 2016
    Publication date: October 10, 2019
    Applicant: WACKER CHEMIE AG
    Inventors: Christof BREHM, Anton HELLER, Elisabeth HOELZLWIMMER
  • Publication number: 20190224591
    Abstract: Defoamer compositions containing a plurality of defined organopolysiloxanes exhibit very short initial foam collapse and yet exhibit long lasting defoaming activity when added to aqueous media prone to foaming.
    Type: Application
    Filed: June 6, 2017
    Publication date: July 25, 2019
    Applicant: WACKER CHEMIE AG
    Inventors: Christof BREHM, Willibald BURGER, Wolfgang ZICHE
  • Publication number: 20190133906
    Abstract: Emulsions of carbamato-functional organopolysiloxanes emulsified with the aid of cationic emulsifiers are useful for treating textiles to provide good haptic properties, and also in hair care products.
    Type: Application
    Filed: April 24, 2017
    Publication date: May 9, 2019
    Applicant: Wacker Chemie AG
    Inventors: Christof BREHM, Richard BECKER, Elisabeth HOELZLWIMMER, Christine STALLEICHER
  • Publication number: 20190133919
    Abstract: Aqueous nanoemulsions of carbamato-functional organopolysiloxanes prepared using a polyoxyethylene emulsifier having an HLB greater than 15 and at least 40 oxyethylene moieties and having a D50 particle size ?100 nm are transparent, stable, and useful in cosmetic compositions, particularly hair care compositions.
    Type: Application
    Filed: April 24, 2017
    Publication date: May 9, 2019
    Applicant: Wacker Chemie AG
    Inventors: Christof BREHM, Gerhard BEER, Werner LIMMER
  • Publication number: 20180193771
    Abstract: Effective defoamer compositions contain two different aryl-substituted organopolysiloxanes and filler particles, and show high defoaming capability.
    Type: Application
    Filed: February 20, 2017
    Publication date: July 12, 2018
    Applicant: Wacker Chemie AG
    Inventors: Christof BREHM, Richard BECKER, Holger RAUTSCHEK
  • Patent number: 9968866
    Abstract: Efficient defoamer and foam prevention formulations contain an organopolysiloxane defoamer and an efficiency promoting waxy ?-ketocarbonyl-functional organosilicon compound. The compositions also preferably contain a filler and a silicone resin, and are highly efficient in surfactant-containing aqueous systems such as detergents and cleaners.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: May 15, 2018
    Assignee: WACKER CHEMIE AG
    Inventors: Christof Brehm, Elisabeth Hoelzlwimmer
  • Publication number: 20160121239
    Abstract: Efficient defoamer and foam prevention formulations contain an organopolysiloxane defoamer and an efficiency promoting waxy ?-ketocarbonyl-functional organosilicon compound. The compositions also preferably contain a filler and a silicone resin, and are highly efficient in surfactant-containing aqueous systems such as detergents and cleaners.
    Type: Application
    Filed: June 6, 2014
    Publication date: May 5, 2016
    Inventors: Christof BREHM, Elisabeth HOELZLWIMMER
  • Patent number: 9120035
    Abstract: A mixture of unique organopolysiloxane, filler, and additional components are effective defoamers and may be used neat, or in the form of a powder or emulsion.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: September 1, 2015
    Assignee: WACKER CHEMIE AG
    Inventors: Christof Brehm, Willibald Burger, Elisabeth Hoelzlwimmer, Martina Joachimbauer
  • Publication number: 20150119509
    Abstract: A mixture of unique organopolysiloxane, filler, and additional components are effective defoamers and may be used neat, or in the form of a powder or emulsion.
    Type: Application
    Filed: April 30, 2013
    Publication date: April 30, 2015
    Applicant: Wacker Chemie AG
    Inventors: Christof Brehm, Willibald Burger, Elisabeth Hoelzlwimmer, Martina Joachimbauer
  • Patent number: 8575266
    Abstract: The invention provides a process for preparing emulsions of organopolysiloxanes (O), which includes polymerizing: (1) 100 parts by weight of hydroxyl-terminated organopolysiloxanes and (2) at least 0.01 part by weight of trialkylsilyl-terminated organopolysiloxanes having a viscosity of at least 55 mm2/s in the presence of (3) acidic catalyst and (4) emulsifier in an aqueous medium until the desired molecular size is reached.
    Type: Grant
    Filed: May 2, 2011
    Date of Patent: November 5, 2013
    Assignee: Wacker Chemie AG
    Inventors: Christof Brehm, Robert Schroeck
  • Publication number: 20130280201
    Abstract: Fully acylated hydroxyl-terminated organopolysiloxanes bearing pendant aminoalkyl groups are easily prepared by reacting a hydroxyl-terminated, aminoalkyl organopolysiloxane with a carboxylic anhydride in stoichiometric amount relative to amino groups, in the presence of at least one emulsifier.
    Type: Application
    Filed: September 19, 2011
    Publication date: October 24, 2013
    Applicant: WACKER CHEMIE AG
    Inventors: Christof Brehm, Gerhard Beer, Markus Merget
  • Publication number: 20110269892
    Abstract: The invention provides a process for preparing emulsions of organopolysiloxanes (O), which includes polymerizing: (1) 100 parts by weight of hydroxyl-terminated organopolysiloxanes and (2) at least 0.01 part by weight of trialkylsilyl-terminated organopolysiloxanes having a viscosity of at least 55 mm2/s in the presence of (3) acidic catalyst and (4) emulsifier in an aqueous medium until the desired molecular size is reached.
    Type: Application
    Filed: May 2, 2011
    Publication date: November 3, 2011
    Applicant: WACKER CHEMIE AG
    Inventors: Christof BREHM, Robert SCHROECK