Patents by Inventor Wolfgang Ziche

Wolfgang Ziche 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: 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: 10676641
    Abstract: Curable silicone rubber compositions of high viscosity can be ballistically printed if the melt flow index is within a defined shear thinning range and the viscosity is also within a defined range.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: June 9, 2020
    Assignee: WACKER CHEMIE AG
    Inventors: Frank Achenbach, Ernst Selbertinger, Wolfgang Ziche
  • Patent number: 10577742
    Abstract: Textile fabrics are rendered water repellent yet breathable by impregnating with an organopolysiloxanes of the formula R13SiO[SiR1(OR2)O]x[SiR12O]y[SiR1R3O]zSiR13??(I).
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: March 3, 2020
    Assignee: WACKER CHEMIE AG
    Inventors: Holger Rautschek, Anton Heller, Wolfgang Ziche
  • Patent number: 10392479
    Abstract: Cyclopentadienyl platinum complexes bearing ethylenic unsaturation are efficient photocatalysts for hydrosilylation of compounds containing aliphatic carbon-carbon multiple bonds, while exhibiting extended dark time, and are particularly useful in addition-curable organopolysiloxane compositions.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: August 27, 2019
    Assignee: WACKER CHEMIE AG
    Inventors: Wolfgang Ziche, Andreas Koellnberger
  • 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: 20180208797
    Abstract: Curable silicone rubber compositions of high viscosity can be ballistically printed if the melt flow index is within a defined shear thinning range and the viscosity is also within a defined range.
    Type: Application
    Filed: November 24, 2016
    Publication date: July 26, 2018
    Applicant: Wacker Chemie AG
    Inventors: Frank ACHENBACH, Ernst SELBERTINGER, Wolfgang ZICHE
  • Publication number: 20180148889
    Abstract: Textile fabrics are rendered water repellent yet breathable by impregnating with an organopolysiloxanes of the formula R13SiO[SiR1(OR2)O]x[SiR12O]y[SiR1R3O]zSiR13??(I).
    Type: Application
    Filed: November 3, 2016
    Publication date: May 31, 2018
    Applicant: Wacker Chemie AG
    Inventors: Holger RAUTSCHEK, Anton HELLER, Wolfgang ZICHE
  • Publication number: 20170349717
    Abstract: Cyclopentadienyl platinum complexes bearing ethylenic unsaturation are efficient photocatalysts for hydrosilylation of compounds containing aliphatic carbon-carbon multiple bonds, while exhibiting extended dark time, and are particularly useful in addition-curable organopolysiloxane compositions.
    Type: Application
    Filed: August 24, 2015
    Publication date: December 7, 2017
    Applicant: Wacker Chemie AG
    Inventors: Wolfgang ZICHE, Andreas KOELLNBERGER
  • Publication number: 20150065662
    Abstract: Hardener compositions for condensation-crosslinking RTV-2 systems free of organotin compounds contain a catalyst selected from among compounds of titanium, cerium, zirconium, molybdenum, manganese, copper, zinc, bismuth, lithium, strontium, or boron, and at least one aminoalkyl alcohol reinforcing the effectiveness of the catalyst.
    Type: Application
    Filed: April 5, 2013
    Publication date: March 5, 2015
    Inventor: Wolfgang Ziche
  • Patent number: 8357755
    Abstract: Moisture curable one-component organosilicon compositions exhibiting excellent resilience and adhesiveness contain an ?-alkoxysilyl-terminated base polymer, aminoalkylalkoxysilane adhesion promoter, and polyolefin bearing succinic anhydride groups.
    Type: Grant
    Filed: July 7, 2010
    Date of Patent: January 22, 2013
    Assignee: Wacker Chemie AG
    Inventor: Wolfgang Ziche
  • Patent number: 8329770
    Abstract: Silicone foams having good foam structure and rapid cure are produced from foamable mixtures containing a physical blowing agent and an organically modified organopolysiloxane containing at least one urea or urethane group and an alkoxy(alkyl)siloxy unit.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: December 11, 2012
    Assignee: Wacker Chemie AG
    Inventors: Wolfgang Ziche, Volker Stanjek, Richard Weidner
  • Patent number: 8314263
    Abstract: In the preparation of aminoorganylsilanes and cyclic aminosilanes by reaction of an organyl amine with a haloorganylsilane, the byproduct halide salt of the amine reactant is decomposed to amine by addition of a base whose halide salt forms a liquid phase at a temperature below 200° C., and the liquid base halide is separated from the reaction mixture.
    Type: Grant
    Filed: July 28, 2008
    Date of Patent: November 20, 2012
    Assignee: Wacker Chemie AG
    Inventors: Wolfgang Ziche, Volker Stanjek
  • Patent number: 8247590
    Abstract: Undesired polymerization of (meth)acrylatoalkoxysilanes during their industrial preparation and handling is accomplished by avoiding contact with surfaces containing more than 1% by weight of iron.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: August 21, 2012
    Assignee: Wacker Chemie AG
    Inventors: Wolfgang Ziche, Volker Stanjek
  • Publication number: 20120123048
    Abstract: Moisture curable one-component organosilicon compositions exhibiting excellent resilience and adhesiveness contain an ?-alkoxysilyl-terminated base polymer, aminoalkylalkoxysilane adhesion promoter, and polyolefin bearing succinic anhydride groups.
    Type: Application
    Filed: July 7, 2010
    Publication date: May 17, 2012
    Applicant: WACKER CHEMIE AG
    Inventor: Wolfgang Ziche
  • Publication number: 20120083620
    Abstract: Minimization of byproducts in hydrosilylation reactions is achieved by use of a catalyst system which contains a platinum (O) complex catalyst and an oranic amine oxide and/or hydrate thereof.
    Type: Application
    Filed: June 21, 2010
    Publication date: April 5, 2012
    Applicant: WACKER CHEMIE AG
    Inventor: Wolfgang Ziche
  • Publication number: 20120004437
    Abstract: The invention relates to a method for producing silanes (S) of the general formula (1); (R1)2C?C(R1)C(O)O—(R2)—Si(R3)z(OR4)3-z, starting from a alkyl halide silane (S1) of the general formula (2); X-(R2)-Si(R3)z(OR4)3-z, and a salt (S2) of an unsaturated organic carboxylic acid of the general formula (3); Mw+[(R1?)2C?C(R1)C(O)O?]w, where R1, R1?, R2, R3, R4, X, Mw+, w and z have the meanings given in claim 1, wherein one or more components (L) having a boiling point below the boiling point of the alkyl halide silane (S1) are at least partially removed from the reaction mixture, partial mixture or individual reactant components by distillation before or during the reaction of components (S1) and (S2).
    Type: Application
    Filed: September 28, 2009
    Publication date: January 5, 2012
    Applicant: WACKER CHEMIE AG
    Inventors: Volker Stanjek, Wolfgang Ziche
  • Publication number: 20110257324
    Abstract: The invention relates to a blend (M), comprising A) 100 parts of an alkoxysilylmethyl-terminated polymer (A) with at least one end group of the general formula (1) -L-(CH2)—SiR23-x(OR1) x (1), with L being a double-bond linking group selected from —O—, —S—, —(R3)N—, —O—CO—N(R3)—, —N(R3)—CO—O—, —N(R3)—CO—NH—, —NH—CO—N(R3)—, —N(R3)—CO—N(R3), R1 and R2 are independently hydrocarbon radicals with 1-6 carbon atoms or ?-lkyl-alkyl radicals with a total of 2-20 carbon atoms, R3 is hydrogen, an optionally halogen-substituted cyclic, linear or branched C1 to C18-alkyl or alkenyl radical or a C6- to C18-aryl radical, and x is 2 or 3, B) 0.
    Type: Application
    Filed: December 10, 2009
    Publication date: October 20, 2011
    Applicant: Wacker Chemie AG
    Inventors: Wolfgang Ziche, Andreas Bauer, Volker Stanjek
  • Publication number: 20110166373
    Abstract: In the preparation of aminoorganylsilanes and cyclic aminosilanes by reaction of an organyl amine with a haloorganylsilane, the byproduct halide salt of the amine reactant is decomposed to amine by addition of a base whose halide salt forms a liquid phase at a temperature below 200° C., and the liquid base halide is separated from the reaction mixture.
    Type: Application
    Filed: July 28, 2008
    Publication date: July 7, 2011
    Applicant: Wacker Chemie AG
    Inventors: Wolfgang Ziche, Volker Stanjek
  • Publication number: 20110118493
    Abstract: Undesired polymerization of (meth)acrylatoalkoxysilanes during their industrial preparation and handling is accomplished by avoiding contact with surfaces containing more than 1% by weight of iron.
    Type: Application
    Filed: July 7, 2009
    Publication date: May 19, 2011
    Applicant: WACKER CHEMIE AG
    Inventors: Wolfgang Ziche, Volker Stanjek
  • Publication number: 20100305229
    Abstract: Silicone foams having good foam structure and rapid cure are produced from foamable mixtures containing a physical blowing agent and an organically modified organopolysiloxane containing at least one urea or urethane group and an alkoxy(alkyl)siloxy unit.
    Type: Application
    Filed: August 19, 2008
    Publication date: December 2, 2010
    Applicant: WACKER CHEMIE AG
    Inventors: Wolfgang Ziche, Volker Stanjek, Richard Weidner