Patents by Inventor Wiebke Stache

Wiebke Stache 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: 20220246252
    Abstract: The invention relates to a method for generating thermoplastic compositions for mechanically and/or thermally loaded component parts.
    Type: Application
    Filed: September 4, 2020
    Publication date: August 4, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Wiebke Stache, Frank Weinelt
  • Patent number: 10988492
    Abstract: Crosslinkers based on alkoxysilanes and alkoxysilane mixtures containing an isocyanate group can be used as a starting component in the production of coating compositions or as paint binder component, or can be used with adhesive o sealant binders o binder components having g ups reactive toward alkoxysilane groups.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: April 27, 2021
    Assignee: Evonik Operations GmbH
    Inventors: Wiebke Stache, Emmanouil Spyrou, Iris Brückner, Ralf Klawikowski, Jan Pfingsten, Judith Schoder
  • Patent number: 10633555
    Abstract: A binder that can be used in a paint composition, an adhesive composition, and/or a sealant composition. The binder includes a reaction product formed from an adduct (A) of an isocyanatoalkylalkoxysilane (A1) and an alcohol (A2) with an alkoxysilane-containing Q unit-free alkyl- and/or arylsilicone resin (B).
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: April 28, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Wiebke Stache, Markus Hallack, Annegret Lilienthal, Sina Ballauf, Tina Bauer, Ralf Klawikowski, Thomas Klotzbach
  • Publication number: 20190315778
    Abstract: Crosslinkers based on alkoxysilanes and alkoxysilane mixtures containing an isocyanate group can be used as a starting component in the production of coating compositions or as paint binder component, or can be used with adhesive o sealant binders o binder components having g ups reactive toward alkoxysilane groups.
    Type: Application
    Filed: April 11, 2019
    Publication date: October 17, 2019
    Applicant: Evonik Degussa GmbH
    Inventors: Wiebke Stache, Emmanouil Spyrou, Iris Brückner, Ralf Klawikowski, Jan Pfingsten, Judith Schoder
  • Patent number: 10336856
    Abstract: An alkoxysilane-functionalized and allophanate-functionalized coating material including a) a binder component of 10-99 wt % of at least one reaction product of I. and II. wherein I includes A) at least one alkoxysilane-containing monourethane A) of the formula 1 Rn(OR1)3-nSi—R2—NH—(C?O)—OR3 wherein R, R1, R2 and R3 represent hydrocarbon radicals having 1-8 carbon atoms, and n represents 0-2, and B) at least one diisocyanate B), and II includes the subsequent reaction of C) with at least one diol and/or polyol C), in a ratio of NCO groups of reaction product I to OH groups of the diol and/or polyol II. C) of 1.0:1.5 to 1.0:0.6; b) 1-90 wt % of at least one further binder component distinct from a) a hydroxyl-containing or amino-containing binder component, c) 0-50 wt % of at least one polyisocyanate having an NCO functionality of at least 2, d) 0-5 wt % of at least one catalyst, wherein components a)-d) add up to 100 wt %.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: July 2, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Wiebke Stache, Tobias Unkelhäußer, Annegret Lilienthal, Sina Ballauf, Sabine Naumann, Bartholomäus Buchczik
  • Patent number: 10336854
    Abstract: The present invention relates to alkoxysilane-functionalized and allophanate-functionalized urethanes, methods for the preparation thereof, coating compositions comprising these and to the use thereof.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: July 2, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Wiebke Stache, Tobias Unkelhäußer, Annegret Lilienthal, Tina Bauer
  • Patent number: 10329375
    Abstract: A coating or plastics formulation contains a reaction product of at least one alkoxysilane-containing isocyanurate of the formula (I) with at least one hydrophilizing agent of the formula BOH which has at least one OH group, wherein R1, R2 and R3 in each case independently of one another are a linear or branched and/or cyclic C1-C8 alkylene radical, R?, R? and R?? in each case independently of one another are a linear or branched and/or cyclic C1-C8 alkyl radical, and B is a hydrophilic radical.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: June 25, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Wiebke Stache, Tobias Unkelhäußer, Iris Brückner, Sabine Naumann, Marita Drüner, Judith Schoder
  • Publication number: 20190048224
    Abstract: A binder that can be used in a paint composition, an adhesive composition, and/or a sealant composition. The binder includes a reaction product formed from an adduct (A) of an isocyanatoalkylalkoxysilane (A1) and an alcohol (A2) with an alkoxysilane-containing Q unit-free alkyl- and/or arylsilicone resin (B).
    Type: Application
    Filed: September 29, 2016
    Publication date: February 14, 2019
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Wiebke Stache, Markus Hallack, Annegret Lilienthal, Sina Ballauf, Tina Bauer, Ralf Klawikowski, Thomas Klotzbach
  • Publication number: 20180334532
    Abstract: A coating or plastics formulation contains a reaction product of at least one alkoxysilane-containing isocyanurate of the formula (I) with at least one hydrophilizing agent of the formula BOH which has at least one OH group, wherein R1, R2 and R3 in each case independently of one another are a linear or branched and/or cyclic C1-C8 alkylene radical, R?, R? and R?? in each case independently of one another are a linear or branched and/or cyclic C1-C8 alkyl radical, and B is a hydrophilic radical.
    Type: Application
    Filed: May 18, 2018
    Publication date: November 22, 2018
    Applicant: Evonik Degussa GmbH
    Inventors: Wiebke Stache, Tobias Unkelhäußer, Iris Brûckner, Sabine Naumann, Marita Drüner, Judith Schoder
  • Patent number: 10100207
    Abstract: An adduct of at least one isocyanatoalkyltrimethoxysilane with at least one flame retardant reactive with the isocyanatoalkyltrimethoxysilane is used in compositions and for coating plexiglass.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: October 16, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Wiebke Stache, Andre Raukamp, Markus Hallack, Annegret Lilienthal, Sina Ballauf
  • Patent number: 10093826
    Abstract: The present invention relates to alkoxysilane-functionalized, allophanate-containing coating compositions, to a process for producing them, and to their use. In particular, the alkoxysilane-functionalized, allophanate-containing coating compositions include a) as a binder component, 10-99 wt % of at least one reaction product of i) at least one monourethane i) containing alkoxysilane groups and of the formula 1 Rn(OR1)3-nSi—R2—NH—(C?O)—OR3??formula 1 where R, R1, R2 and R3 are each independently hydrocarbyl radicals having 1-8 carbon atoms, which may be linear, branched or cyclic, or else may be integrated together to form a cyclic system, and n is 0-2, and ii) at least one diisocyanate ii), in a molar ratio of i) to ii) of from 3:1 to 1.5:1, preferably from 2.5:1 to 1.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: October 9, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Wiebke Stache, Tobias Unkelhäußer, Emmanouil Spyrou, Annegret Lilienthal, Ralf Klawikowski, Sabine Naumann, Bartholomäus Buchczik
  • Patent number: 10093765
    Abstract: The present invention relates to alkoxysilane-functionalized allophanates, to methods for production thereof, and to the use thereof. In particular, the alkoxysilane-functionalized allophanate includes the reaction product of A) at least one alkoxysilane group-containing monourethane A) of the formula 1 Rn(OR1)3-nSi—R2—NH—(C?O)—OR3??formula 1, where R, R1, R2 and R3 are each independently hydrocarbyl radicals having 1-8 carbon atoms, which may be linear, branched or cyclic, or else may be integrated together to form a cyclic system, and n is 0-2, and B) at least one diisocyanate B), in a molar ratio of A) to B) of 3:1 to 1.5:1.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: October 9, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Wiebke Stache, Tobias Unkelhäusser, Emmanouil Spyrou, Annegret Lilienthal, Iris Brückner, Jan Pfingsten
  • Publication number: 20170369631
    Abstract: An alkoxysilane-functionalized and allophanate-functionalized coating material including a) a binder component of 10-99 wt % of at least one reaction product of I. and II. wherein I includes A) at least one alkoxysilane-containing monourethane A) of the formula 1 Rn(OR1)3-nSi—R2—NH—(C?O)—OR3 wherein R, R1, R2 and R3 represent hydrocarbon radicals having 1-8 carbon atoms, and n represents 0-2, and B) at least one diisocyanate B), and II includes the subsequent reaction of C) with at least one diol and/or polyol C), in a ratio of NCO groups of reaction product I to OH groups of the diol and/or polyol II. C) of 1.0:1.5 to 1.0:0.6; b) 1-90 wt % of at least one further binder component distinct from a) a hydroxyl-containing or amino-containing binder component, c) 0-50 wt % of at least one polyisocyanate having an NCO functionality of at least 2, d) 0-5 wt % of at least one catalyst, wherein components a)-d) add up to 100 wt %.
    Type: Application
    Filed: June 6, 2017
    Publication date: December 28, 2017
    Inventors: Wiebke Stache, Tobias Unkelhäußer, Annegret Lilienthal, Sina Ballauf, Sabine Naumann, Bartholomäus Buchczik
  • Publication number: 20170369627
    Abstract: The present invention relates to alkoxysilane-functionalized and allophanate-functionalized urethanes, methods for the preparation thereof, coating compositions comprising these and to the use thereof.
    Type: Application
    Filed: June 12, 2017
    Publication date: December 28, 2017
    Inventors: Wiebke Stache, Tobias Unkelhäußer, Annegret Lilienthal, Tina Bauer
  • Publication number: 20170369736
    Abstract: The present invention relates to alkoxysilane-functionalized, allophanate-containing coating compositions, to a process for producing them, and to their use. In particular, the alkoxysilane-functionalized, allophanate-containing coating compositions include a) as a binder component, 10-99 wt % of at least one reaction product of i) at least one monourethane i) containing alkoxysilane groups and of the formula 1 Rn(OR1)3-nSi—R2—NH—(C?O)—OR3??formula 1 where R, R1, R2 and R3 are each independently hydrocarbyl radicals having 1-8 carbon atoms, which may be linear, branched or cyclic, or else may be integrated together to form a cyclic system, and n is 0-2, and ii) at least one diisocyanate ii), in a molar ratio of i) to ii) of from 3:1 to 1.5:1, preferably from 2.5:1 to 1.
    Type: Application
    Filed: June 14, 2017
    Publication date: December 28, 2017
    Inventors: Wiebke Stache, Tobias Unkelhäußer, Emmanouil Spyrou, Annegret Lilienthal, Ralf Klawikowski, Sabine Naumann, Bartholomäus Buchczik
  • Publication number: 20170369626
    Abstract: The present invention relates to alkoxysilane-functionalized allophanates, to methods for production thereof, and to the use thereof. In particular, the alkoxysilane-functionalized allophanate includes the reaction product of A) at least one alkoxysilane group-containing monourethane A) of the formula 1 Rn(OR1)3-nSi—R2—NH—(C?O)—OR3 ??formula 1, where R, R1, R2 and R3 are each independently hydrocarbyl radicals having 1-8 carbon atoms, which may be linear, branched or cyclic, or else may be integrated together to form a cyclic system, and n is 0-2, and B) at least one diisocyanate B), in a molar ratio of A) to B) of 3:1 to 1.5:1.
    Type: Application
    Filed: June 14, 2017
    Publication date: December 28, 2017
    Inventors: Wiebke Stache, Tobias Unkelhäusser, Emmanouil Spyrou, Annegret Lilienthal, Iris Brückner, Jan Pfingsten
  • Publication number: 20170349693
    Abstract: The invention relates to innovative, water-dispersible, hydrophilic polyisocyanates and polyisocyanate mixtures, to a process for preparing them, to compositions comprising the hydrophilic polyisocyanates of the invention, and to their use as a starting component in the production of polyurethane plastics, more particularly as crosslinkers for water-soluble or water-dispersible film-forming, adhesives or sealant binders or binder components having groups which are reactive towards isocyanate groups.
    Type: Application
    Filed: August 21, 2017
    Publication date: December 7, 2017
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Emmanouil Spyrou, Evelyn Albrecht, Iris Brueckner, Annegret Lilienthal, Wiebke Stache, Judith Schoder
  • Publication number: 20160297974
    Abstract: An adduct of at least one isocyanatoalkyltrimethoxysilane with at least one flame retardant reactive with the isocyanatoalkyltrimethoxysilane is used in compositions and for coating plexiglass.
    Type: Application
    Filed: April 8, 2016
    Publication date: October 13, 2016
    Applicant: Evonik Degussa GmbH
    Inventors: Wiebke STACHE, Andre RAUKAMP, Markus HALLACK, Annegret LILIENTHAL, Sina BALLAUF
  • Patent number: 9266825
    Abstract: The present invention relates to a copolymer of the formula where A, B, and D are independently of one another an aliphatic (cyclo)alkylene radical, R is a C1-C10 alkyl radical, and 3?x?10. The present invention also relates to a process for preparing the copolymer, to its use and also to a coating composition and a coating formulation containing the copolymer.
    Type: Grant
    Filed: February 8, 2015
    Date of Patent: February 23, 2016
    Assignee: EVONIK DEGUSSA GmbH
    Inventors: Rainer Lomoelder, Hans Goerlitzer, Tobias Unkelhaeusser, Markus Hallack, Wiebke Stache
  • Publication number: 20150329751
    Abstract: A reactive composition contains A) an aqueous polyurethane-polyurea dispersion containing an uretdione group and having an internal emulsifier, the emulsifier having at least one ionogenic group which, in the case of an acidic ionogenic group, has a pKa in water of >8 at room temperature or, in the case of a basic ionogenic group, has a pKb of >8 at room temperature, B) at least one diamine and/or polyamine, wherein a ratio of a latent NCO group in the polyurethane-polyurea dispersion A) containing an uretdione group to the amine groups in component B) is from 4:1 to 1:1, and C) optionally, at least one member selected from the group consisting of an auxiliary, an adjuvant and a catalyst.
    Type: Application
    Filed: May 13, 2015
    Publication date: November 19, 2015
    Applicant: EVONIK INDUSTRIES AG
    Inventors: Wiebke STACHE, Emmanouil SPYROU, Iris BRÜCKNER, Sven BÜSCHER, Jessika SCHÜLLER