Patents by Inventor Detlev Ostendorf

Detlev Ostendorf 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).

  • Publication number: 20210347952
    Abstract: Organopolysiloxane mixtures curable by hydrosilylation include MT organopolysiloxanes having 10 to 20 siloxy units and containing a fraction of 0.15 to 0.24 M units based on total siloxy units in the organopolysiloxane, and a polydispersity of 1.05 to 1.40, a hydrosilylation catalyst, and an Si—H-functional organopolysiloxane are curable to vulcanizates with elastic moduli which may be greater than 0.5 GPa.
    Type: Application
    Filed: August 17, 2018
    Publication date: November 11, 2021
    Applicant: WACKER CHEMIE AG
    Inventor: Detlev OSTENDORF
  • Publication number: 20210309856
    Abstract: Hydrosilylative crosslinking compositions containing an aliphatically unsaturated compound which is the reaction product of an alkali metal siliconate and a chlorosilane and a coupler having two silicon bond hydrogen atoms have high compression and damping characteristics when cured.
    Type: Application
    Filed: August 17, 2018
    Publication date: October 7, 2021
    Applicant: WACKER CHEMIE AG
    Inventors: Detlev OSTENDORF, Michael STEPP
  • Publication number: 20210238416
    Abstract: Curable organopolysiloxane compositions contain (A) organopolysiloxane resins consisting of units of the formula RaR1b(OR2)cSiO(4-a-b-c)/2 ??(I), with the proviso that in formula (I) the sum of a+b+c?3, in at least one unit of the formula (I) b=1, in at least 50% of the units of the formula (I) a+b=1 and in at most 10% of the units of the formula (I) a+b=3, based in each case on all siloxane units of the formula (I) in organopolysiloxane resin (A), (B) organic compounds having at least one unit of the formula CR32?CR3—CO—Z—??d(II), (C) initiators, (D) fillers and (K) amines, wherein the radicals and indices have the definition specified in claim 1. When coarse and fine grained fillers are employed, the composition can be used to mold artificial stone.
    Type: Application
    Filed: October 26, 2018
    Publication date: August 5, 2021
    Applicant: WACKER CHEMIE AG
    Inventors: Detlev OSTENDORF, Steffen DOERRICH, Marko PRASSE
  • Publication number: 20210238366
    Abstract: A hydrosilylation curable mixture whose cured products have high mechanical damping include a cyclosiloxane bearing aliphatic unsaturation and a coupler having both silicon-bonded hydrogen and at least one aromatic group.
    Type: Application
    Filed: August 17, 2018
    Publication date: August 5, 2021
    Applicant: WACKER CHEMIE AG
    Inventor: Detlev OSTENDORF
  • Publication number: 20200325337
    Abstract: Addition curable composition containing specific silicone resins containing aliphatically unsaturated groups and an. organic compound containing unsaturated groups such as acrylate or methacrylate groups are suitable when used with fine and coarse fillers to produce artificial stone with both high hardness and high flexural strength.
    Type: Application
    Filed: September 15, 2017
    Publication date: October 15, 2020
    Applicant: WACKER CHEMIE AG
    Inventors: Marko PRASSE, Detlev OSTENDORF
  • Patent number: 10647822
    Abstract: Synthesis of organyloxyfunctional organosilicon compounds is facilitated by a two-step process using a basic lithium, guanidine or amidine catalyst in the first step, and a phosphorus compound having a P?O linkage in a second step.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: May 12, 2020
    Assignee: WACKER CHEMIE AG
    Inventors: Marko Prasse, Detlev Ostendorf
  • Patent number: 10301433
    Abstract: Artificial stone having excellent mechanical and weatherability properties is prepared from a highly filled crosslinkable organosilicon composition where the filler comprises at least 20 weight percent of coarse fillers, the organosilicon component contains silicon-bonded alkoxy and or hydroxyl groups, with a catalyst containing a metal compound and an amidine or guanidine.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: May 28, 2019
    Assignee: WACKER CHEMIE AG
    Inventors: Daniel Schildbach, Detlev Ostendorf, Marko Prasse, Uwe Scheim
  • Publication number: 20180194902
    Abstract: Synthesis of organyloxyfunctional organosilicon compounds is facilitated by a two-step process using a basic lithium, guanidine or amidine catalyst in the first step, and a phosphorus compound having a P?O linkage in a second step.
    Type: Application
    Filed: August 24, 2016
    Publication date: July 12, 2018
    Applicant: Wacker Chemie AG
    Inventors: Marko PRASSE, Detlev OSTENDORF
  • Patent number: 9862642
    Abstract: Artificial stone which exhibits minimal visual change when exposed to weathering, UV light, and heat, is prepared by shaping and curing a crosslinkable composition based on crosslinkable organopolysiloxanes as a binder, at least 85% by weight of a filler component, the filler component containing at least 20% by weight of coarse grain mineral filler having grain sizes of 0.2 mm to 10 mm.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: January 9, 2018
    Assignee: WACKER CHEMIE AG
    Inventors: Detlev Ostendorf, Uwe Scheim, Daniel Schildbach
  • Publication number: 20170210856
    Abstract: Artificial stone having excellent mechanical and weatherability properties is prepared from a highly filled crosslinkable organosilicon composition where the filler comprises at least 20 weight percent of coarse fillers, the organosilicon component contains silicon-bonded alkoxy and or hydroxyl groups, with a catalyst containing a metal compound and an amidine or guanidine.
    Type: Application
    Filed: July 14, 2015
    Publication date: July 27, 2017
    Applicant: Wacker Chemie AG
    Inventors: Daniel SCHILDBACH, Detlev OSTENDORF, Marko PRASSE, Uwe SCHEIM
  • Patent number: 9637600
    Abstract: Curable organosilicon compositions with good adhesion to substrates and good workability contain a condensable base organopolysiloxane, a carbamato-alkyl-functional alkoxysilane, and a heterocycle substituted at a heteroatom by an alkoxysilylmethyl group.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: May 2, 2017
    Assignee: Wacker Chemie AG
    Inventors: Uwe Scheim, Detlev Ostendorf
  • Patent number: 9617186
    Abstract: An artificial stone can be prepared by binding a suitable stone filler with a binder which contains a silicon bonded, hydroxyl-functional silicone resin also optionally bearing silicon bonded alkoxy groups, and an organosilicon compound which is a silane or siloxane bearing silicon bonded alkoxy groups. The artificial stone is resistant to the effects of UV light as well as heat.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: April 11, 2017
    Assignee: Wacker Chemie AG
    Inventors: Detlev Ostendorf, Uwe Scheim, Daniel Schildbach
  • Publication number: 20160207832
    Abstract: An artificial stone can be prepared by binding a suitable stone filler with a binder which contains a silicon bonded, hydroxyl-functional silicone resin also optionally bearing silicon bonded alkoxy groups, and an organosilicon compound which is a silane or siloxane bearing silicon bonded alkoxy groups. The artificial stone is resistant to the effects of UV light as well as heat.
    Type: Application
    Filed: August 5, 2014
    Publication date: July 21, 2016
    Inventors: Detlev OSTENDORF, Uwe SCHEIM, Daniel SCHILDBACH
  • Publication number: 20160207833
    Abstract: Artificial stone which exhibits minimal visual change when exposed to weathering, UV light, and heat, is prepared by shaping and curing a crosslinkable composition based on crosslinkable organopolysiloxanes as a binder, at least 85% by weight of a filler component, the filler component containing at least 20% by weight of coarse grain mineral filler having grain sizes of 0.2 mm to 10 mm.
    Type: Application
    Filed: August 11, 2014
    Publication date: July 21, 2016
    Applicant: Wacker Chemie AG
    Inventors: Detlev OSTENDORF, Uwe SCHEIM, Daniel SCHILDBACH
  • Patent number: 8987373
    Abstract: Crosslinkable compositions based on organosilicon compounds, more particularly RTV-1 sealants, contain (A) at least one organosilicon compound having at least two condensable radicals, (B) at least one finely divided silicon dioxide having a BET surface area of 30 to 120 m2/g and a relative thickening effect ?rel of 1.4 to 10, and (C) at least one hydrocarbon component which has an initial boiling point above 150° C., a final boiling point below 350° C., each at a pressure of 1013 hPa, a kinematic viscosity of 1.5 to 6.0 mm2/s as measured at 40° C., a viscosity-density constant (VDC) of less than or equal to 0.820, a pour point of less than ?5° C., and an aromatic carbon atom (CA) content of less than 0.1% CA.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: March 24, 2015
    Assignee: Wacker Chemie AG
    Inventors: Detlev Ostendorf, Uwe Scheim, Peter Schoeley
  • Publication number: 20140309370
    Abstract: Crosslinkable compositions based on organosilicon compounds, more particularly RTV-1 sealants, contain (A) at least one organosilicon compound having at least two condensable radicals, (B) at least one finely divided silicon dioxide having a BET surface area of 30 to 120 m2/g and a relative thickening effect ?rel of 1.4 to 10, and (C) at least one hydrocarbon component which has an initial boiling point above 150° C., a final boiling point below 350° C., each at a pressure of 1013 hPa, a kinematic viscosity of 1.5 to 6.0 mm2/s as measured at 40° C., a viscosity-density constant (VDC) of less than or equal to 0.820, a pour point of less than ?5° C., and an aromatic carbon atom (CA) content of less than 0.1% CA.
    Type: Application
    Filed: March 26, 2014
    Publication date: October 16, 2014
    Applicant: Wacker Chemie AG
    Inventors: Detlev Ostendorf, Uwe Scheim, Peter Schoeley
  • Publication number: 20110245377
    Abstract: Curable organosilicon compositions with good adhesion to substrates and good workability contain a condensable base organopolysiloxane, a carbamato-alkyl-functional alkoxysilane, and a heterocycle substituted at a heteroatom by an alkoxysilylmethyl group.
    Type: Application
    Filed: December 15, 2009
    Publication date: October 6, 2011
    Applicant: WACKER CHEMIE AG
    Inventors: Uwe Scheim, Detlev Ostendorf