Patents Assigned to Wacker Chemie AG
  • Fiber-containing concrete compositions
    Patent number: 10239789
    Abstract: The invention relates to fiber-containing concrete compositions containing hydraulically setting binders, fillers, one or more fibers, and possibly other additives or admixtures, characterized in that one or more vinylester-ethylene copolymers are contained as additional components.
    Type: Grant
    Filed: January 8, 2010
    Date of Patent: March 26, 2019
    Assignee: Wacker Chemie AG
    Inventors: Klas Sorger, Jürgen Bezler, Klaus Bonin
  • Water-redispersible polymer powders for carpet coating compositions
    Patent number: 10227726
    Abstract: The use of redispersible polymer powders containing no organic emulsifier for a binder in the production of carpeting is surprisingly superior to use of the same polymers in the form of an aqueous dispersion. Tuft removal force in particular, is improved. The compositions contain no thickener, or a reduced level of thickener.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: March 12, 2019
    Assignee: WACKER CHEMIE AG
    Inventors: Timo Melchin, Ulf Dietrich, Holger Kuenstle
  • Method and device for distillative separation of a three- or multi-component mixture
    Patent number: 10226718
    Abstract: Efficient distillative separation of an at least three component mixture containing high boiler, medium boiler and low boiler components is accomplished by interposing a column having a stripping section and a rectifying section separated from each other by a horizontal impermeable dividing wall between conventional distillation columns. High efficiency and low capital cost is achieved.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: March 12, 2019
    Assignee: WACKER CHEMIE AG
    Inventors: Jan Prochaska, Maximilian Aigner, Helmut Jansen
  • Packing of polycrystalline silicon
    Patent number: 10221002
    Abstract: A method for packing polycrystalline silicon in the form of fragments or round rods, wherein at least one film in each case is inserted into a cuboidal cardboard box matched to the dimensions of the polycrystalline silicon to be packed, the polycrystalline silicon is introduced into the at least one film, the at least one film of thickness 10 to 1000 ?m subsequently being welded and enclosing the polycrystalline silicon, and this at least one film being surrounded by a further film having a reinforcing structure or by a shaping element.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: March 5, 2019
    Assignee: Wacker Chemie AG
    Inventors: Joachim Mattes, Bruno Lichtenegger, Matthias Vietz
  • PROCESS AND APPARATUS FOR PRODUCTION OF GRANULAR POLYCRYSTALLINE SILICON
    Publication number: 20190055130
    Abstract: Prolonged operation campaigns in a fluidized bed reactor for producing granular polysilicon by deposition of silicon onto silicon seed particles from a silicon-containing precursor gas is made possible by employing a silicon-coated reaction tube which is not insulated above a region of the fluidized bed and as a result has a lower temperature such that the ratio of the thickness of the silicon on the reactor tube adjoining the fluidized bed to the coating thickness over the total reactor tube is from 7:1 to 1.5 to 1 after production campaign of from 15 to 500 days.
    Type: Application
    Filed: February 23, 2017
    Publication date: February 21, 2019
    Applicant: Wacker Chemie AG
    Inventor: Simon PEDRON
  • USE OF ALKYL GLYCOSIDE MODIFIED POLYSILOXANES IN PURE OIL-BASED PERSONAL CARE PRODUCTS
    Publication number: 20190054005
    Abstract: Pure oil-based personal care products containing less than or equal to 1 wt. % of water, contain alkyl glycoside modified polysiloxanes of Formula (I) where x, y and z are between 1 and 10,000, n and m are between 1 and 20, alkyl is a linear or branched C2-C20 hydrocarbon, and W is a linear or branched C2-C20 alkylene.
    Type: Application
    Filed: February 24, 2017
    Publication date: February 21, 2019
    Applicant: Wacker Chemie AG
    Inventors: Tracy WANG, Eric Xu
  • MANUFACTURING METHOD OF SILICONE RUBBER PARTICLE-DISPERSED EMULSION
    Publication number: 20190055362
    Abstract: The use of an N-acylaminoacid condensate as a surfactant in the preparation of silicone rubber particle emulsions allows the emulsions to be prepared with exceptionally low levels of surfactants. The resulting rubber particles display typical silicone rubber characteristics in contrast to rubber particles prepared using larger amounts of conventional surfactants.
    Type: Application
    Filed: February 16, 2017
    Publication date: February 21, 2019
    Applicant: Wacker Chemie AG
    Inventor: Kenji IGARASHI
  • CROSSLINKABLE MATERIALS BASED ON ORGANYL OXYSILANE-TERMINATED POLYMERS
    Publication number: 20190048190
    Abstract: Moisture curing alkoxysilyl-functional polymer compositions containing a high phenyl-content silicone resin and carbon black exhibit high adhesion to substrates, high tensile strength, very high elongation, and high tear strength without becoming unduly hard.
    Type: Application
    Filed: January 31, 2017
    Publication date: February 14, 2019
    Applicant: Wacker Chemie AG
    Inventors: Volker STANJEK, Lars ZANDER
  • Process for producing polycrystalline silicon
    Patent number: 10202282
    Abstract: Polycrystalline silicon chunks are packed for further processing and/or for shipment with minimal contamination by introducing the chunks into a cardboard container lined with a non-contaminating plastic. The process is economical, avoids the problems associated with packaging in plastic bags, and provides far less contamination and spillage during transport.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: February 12, 2019
    Assignee: WACKER CHEMIE AG
    Inventor: Matthias Vietz
  • METHOD FOR PRODUCING SiOH-FUNCTIONAL POLYSILOXANES
    Publication number: 20190040206
    Abstract: Organopolysiloxanes having an OH content of 3.0-10.0% by weight are produced in a continuous process in which silanes of the formula I R1mSiR2nXo ??(I), in which R1 is a C1-C18-hydrocarbon radical and R2 is a C1-C6-alkoxy radical and X is a chlorine or bromine radical m is 1, 2 or 3, n is 0, 1, 2 or 3 and o is 0, 1, 2 or 3, with the proviso that 4?m=n+o, and that in at least 30 mol % of the silanes of the general formula I, n?0 und o?0, water, and water-insoluble non-polar solvent are metered in continuously into a reactor to form a reaction mixture and the reaction mixture is continuously discharged from the reactor.
    Type: Application
    Filed: November 2, 2016
    Publication date: February 7, 2019
    Applicant: Wacker Chemie AG
    Inventors: Georg LOESSEL, Frank BETSCHINGER, Manfred MEISENBERGER
  • SILICA-COATED SILICONE RUBBER PARTICLE AND COSMETIC
    Publication number: 20190038520
    Abstract: Substantially truly spherical silica-coated silicone rubber particles which do not have blocking problems are easily produced, and exhibit excellent dispersion stability, stability during the isolation of particles, and stability of physical properties. The silica-coated silicone rubber particles include silicone rubber particles and a coating layer thereon configured to coat the surface of the silicone rubber particle and formed from silica particles, in a coating amount of 2.0×10?9 to 3.2×10?6 kg/m2. The particles have a sphericity of 0.8 to 1.0.
    Type: Application
    Filed: February 17, 2017
    Publication date: February 7, 2019
    Applicant: Wacker Chemie AG
    Inventor: Kenji IGARASHI
  • Process for silane oligomer composition preparation and use thereof
    Patent number: 10196407
    Abstract: Epoxy silane oligomers are prepared from a glycidoxypropyl alkoxysilane in the presence of an alcohol and an esterification and/or transesterification catalyst, and have improved storage stability. The oligomers are particularly useful as scrub-resistant additives for aqueous architectural coatings.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: February 5, 2019
    Assignee: WACKER CHEMIE AG
    Inventors: Mark Sha, Deng Ji, Shuai (Tony) Tian
  • Process for preparing siloxanols from metal salts of silanols
    Patent number: 10196408
    Abstract: Siloxanes which are liquid at 25° C. and 1 bar, have 2% to 12% by weight of silanol groups and are of the formula (1): MaDbTcQdM?eD?fT?g??(1), are prepared by reacting metal salts of silanols of the formula (2): R1Si(OH)4?l?m(O?Zr+/r)m??(2) or condensation products thereof with silanes of the formula (3): R?nSiX4?n??(3) in a ratio which is calculated by: mol of organosiliconate of the general formula (2): mol of silane of the general formula (3)=x*(4?n)/m, where x=0.8 to 1.2.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: February 5, 2019
    Assignee: WACKER CHEMIE AG
    Inventor: Michael Stepp
  • METHOD FOR DEPOSITING AN IN SITU COATING ONTO THERMALLY AND CHEMICALLY LOADED COMPONENTS OF A FLUIDIZED BED REACTOR FOR PRODUCING HIGH-PURITY POLYSILICON
    Publication number: 20190032203
    Abstract: In situ coating of the reactor tube of a CVD fluidized bed reactor for producing granular polysilicon allows a wider selection of reactor tube materials to be used and provides granular polysilicon product of higher purity.
    Type: Application
    Filed: February 23, 2017
    Publication date: January 31, 2019
    Applicant: Wacker Chemie AG
    Inventor: Simon PEDRON
  • METHOD FOR PRODUCING POLYORGANOSILOXANES HAVING AMINO GROUPS
    Publication number: 20190031833
    Abstract: Organopolysiloxanes having amino groups are prepared by reacting wherein (A) silanes of the formula R1—O—SiR2—O—R1 ??(I) with (B) silanes of the formula (R32N)—X—SiR42—O—R2 ??(II) and (C) water.
    Type: Application
    Filed: January 27, 2017
    Publication date: January 31, 2019
    Applicant: Wacker Chemie AG
    Inventors: Alfred POPP, Oliver SCHAEFER
  • METHOD FOR PRODUCING SILICON
    Publication number: 20190031516
    Abstract: Elemental silicon is produced in higher yield and with less production of byproducts when magnesium oxide having a large particle size is used as a reaction moderator.
    Type: Application
    Filed: February 15, 2017
    Publication date: January 31, 2019
    Applicant: Wacker Chemie AG
    Inventor: Peter GIGLER
  • MODIFIED REACTIVE RESIN COMPOSITIONS AND USE THEREOF FOR COATING PROPPING AGENTS
    Publication number: 20190023980
    Abstract: Coated proppants useful in fracking operations in oil and gas production are coated with a novolac resin containing a linear or cyclic organopolysiloxane of specific composition. The coatings are more fracture resistant, thus producing less fines during use, resulting in longer production campaigns.
    Type: Application
    Filed: January 23, 2017
    Publication date: January 24, 2019
    Applicant: Wacker Chemie AG
    Inventors: Sebastian KNOER, Daniel CALIMENTE, Arndt SCHLOSSER
  • SILICA MOLDED BODIES HAVING LOW THERMAL CONDUCTIVITY
    Publication number: 20190016634
    Abstract: Hydrophobic shaped silica bodies having low density and low thermal conductivity are produced by forming a dispersion of silica in a solution of binder and organic solvent, and removing the solvent and shaping to form a shaped body. The shaped bodies retain their hydrophobicity, are stable with regards to shape, and are useful in acoustic and thermal insulation.
    Type: Application
    Filed: August 9, 2016
    Publication date: January 17, 2019
    Applicant: Wacker Chemie AG
    Inventors: Dominik JANTKE, Richard WEIDNER, Konrad HINDELANG
  • Method for purifying contaminated gaseous hydrogen chloride
    Patent number: 10179735
    Abstract: Impure gaseous hydrogen chloride from organochlorosilane hydrolysis is freed of impurities by first scrubbing with an organochlorosilane, which may be the same or different from the organochlorosilane(s) hydrolyzed, and then further scrubbing with chloromethane. The purified gaseous hydrogen chloride is preferably used in chlorosilane synthesis.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: January 15, 2019
    Assignee: WACKER CHEMIE AG
    Inventor: Konrad Mautner
  • SILICONE COMPOSITION CROSSLINKABLE TO GIVE SILICONE GEL
    Publication number: 20190002696
    Abstract: Highly adhesive, soft silicone gels are prepared from an aliphatically unsaturated organopolysiloxanes and an organosilicon compound crosslinker of high molecular weight and a very low silicon-bonded hydrogen content.
    Type: Application
    Filed: January 16, 2017
    Publication date: January 3, 2019
    Applicant: Wacker Chemie AG
    Inventors: Birgit AUZIAS, Brigitte HERGERT, Arvid KUHN