Patents by Inventor Frauke Henning

Frauke Henning 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: 20220363838
    Abstract: A process can be used for preparing silicone (meth)acrylates, according to which at least one acetoxysilicone is reacted with at least one hydroxyfunctional (meth)acrylic acid ester. The corresponding silicone (meth)acrylates are useful, and can be used in curable compositions.
    Type: Application
    Filed: September 4, 2020
    Publication date: November 17, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Frauke HENNING, Wilfried Knott, Sadik Amajjahe, Hardi Döhler, Andrea Lohse, Horst Dudzik
  • Patent number: 11498996
    Abstract: SiOC-linked, linear polydimethylsiloxane-polyoxyalkylene block copolymers of formula (I) C—B-(AB)a—C1 are produced by reaction of end-equilibrated ?,?-diacetoxypolydimethylsiloxanes with a mixture including at least one polyether polyol, preferably a polyether diol, and at least one polyether monool or at least one monohydric alcohol.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: November 15, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Frauke Henning, Philippe Favresse
  • Patent number: 11472822
    Abstract: Processes are described for purifying acidic, preferably superacidic, in particular trifluoromethanesulfonic acid-acidified, end-equilibrated acetoxysiloxanes, wherein the acidic, preferably superacidic, in particular trifluoromethanesulfonic acid-acidified, acetic anhydride-containing and optionally acetic acid-containing equilibrated, preferably end-equilibrated acetoxysiloxane, which is optionally dissolved in an inert solvent, is contacted with a base, the precipitate is filtered off thereafter and then the filtrate obtained is optionally purified by distillation.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: October 18, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Wilfried Knott, Dagmar Windbiel, Horst Dudzik, Frauke Henning, Jan Caßens
  • Publication number: 20220282045
    Abstract: Polyester-modified, branched organosiloxanes can be used as plastics additives. Corresponding plastics compositions contain at least one plastics additive (A) and at least one plastic (B). The at least one plastics additive (A) can be one or more polyester-modified, branched organosiloxanes. Moulding compounds or shaped bodies can contain this plastics composition.
    Type: Application
    Filed: August 3, 2020
    Publication date: September 8, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Kathrin Lehmann, Frauke Henning, Stefan Busch, Angela Nawracala
  • Patent number: 11377611
    Abstract: Disclosed are organomodified polysiloxanes, compositions, in particular fuel compositions, that include these organomodified polysiloxanes, and the use of the organomodified polysiloxanes for the defoaming of fuels.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: July 5, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Jörg Peggau, Frauke Henning, Andrea Lohse
  • Patent number: 11359056
    Abstract: Equilibrated trifluoromethanesulfonic acid-acidified ?,?-diacetoxypolydimethylsiloxanes, processes for the production thereof and SiOC-bonded, linear polydimethylsiloxane-polyoxyalkylene block copolymers of the structure type ABA and a process for the production thereof are described, wherein the production of SiOC-bonded, linear polydimethylsiloxane-polyoxyalkylene block copolymers of the structure type ABA is effected by reacting trifluoromethanesulfonic acid-acidified acetoxysiloxane with polyetherols optionally in the presence of buffer mixtures and optionally an additional condensation catalyst and optionally in the presence of an inert solvent.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: June 14, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Frauke Henning
  • Patent number: 11345783
    Abstract: Equilibrated trifluoromethanesulfonic acid-acidified ?,?-diacetoxypolydimethylsiloxanes, processes for the production thereof and SiOC-bonded, linear polydimethylsiloxane-polyoxyalkylene block copolymers of the structure type ABA and a process for the production thereof are described, wherein the production of SiOC-bonded, linear polydimethylsiloxane-polyoxyalkylene block copolymers of the structure type ABA is effected by reacting trifluoromethanesulfonic acid-acidified acetoxysiloxane with polyetherols optionally in the presence of bases and optionally in the presence of an inert solvent.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: May 31, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Frauke Henning
  • Patent number: 11286351
    Abstract: Described is a process for producing preferably trifluoromethanesulfonic acid-acidified, end-equilibrated, acetoxy-bearing siloxanes which comprises reacting cyclic siloxanes, in particular comprising D4 and/or D5, and/or cyclic branched siloxanes of the D/T type with acetic anhydride using preferably trifluoromethanesulfonic acid as catalyst and with addition of acetic acid, wherein the cyclic branched siloxanes of the D/T type are mixtures of cyclic branched siloxanes of the D/T type which contain not only siloxanes comprising D and T units but also siloxanes comprising Q units.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: March 29, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Frauke Henning, Jan Caßens
  • Patent number: 11279804
    Abstract: Branched SiOC-linked polyethersiloxanes have the following formula (I) where R1 is an alkyl radical having 1 to 4 carbon atoms or a phenyl radical, but preferably 90% of the radicals R1 are methyl radicals; b has a value of from 1 to 10; a has a value of from 1 to 200, preferably 10 to 100, a value of from 3 to 70 when b is ?1 and ?4, or a value of from 3 to 30 when b is >4; and R2 denotes identical or different polyether radicals, but at least one radical R2 is a structural element radical of formula (II): where p=at least 2, preferably p=2-6, particularly preferably p=3.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: March 22, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Dagmar Windbiel, Philippe Favresse, Michael Fiedel, André Brötzmann, Frauke Henning, Jan Caßens, Michael Ferenz
  • Publication number: 20220041945
    Abstract: Disclosed are organomodified polysiloxanes, compositions, in particular fuel compositions, that include these organomodified polysiloxanes, and the use of the organomodified polysiloxanes for the defoaming of fuels.
    Type: Application
    Filed: January 7, 2020
    Publication date: February 10, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Jörg Peggau, Frauke Henning, Andrea Lohse
  • Patent number: 11066429
    Abstract: Described is a process for producing preferably trifluoromethanesulfonic acid-acidified, end-equilibrated, acetoxy-bearing siloxanes which comprises reacting cyclic siloxanes, in particular comprising D4 and/or D5, and/or cyclic branched siloxanes of the D/T type with acetic anhydride using preferably trifluoromethanesulfonic acid as catalyst and with addition of acetic acid, wherein the cyclic branched siloxanes of the D/T type are mixtures of cyclic branched siloxanes of the D/T type which may contain not only siloxanes comprising D and T units but also siloxanes comprising Q units.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: July 20, 2021
    Assignee: Evonik Operations GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Frauke Henning, Jan Caßens
  • Publication number: 20210171719
    Abstract: Equilibrated trifluoromethanesulfonic acid-acidified ?,?-diacetoxypolydimethylsiloxanes, processes for the production thereof and SiOC-bonded, linear polydimethylsiloxane-polyoxyalkylene block copolymers of the structure type ABA and a process for the production thereof are described, wherein the production of SiOC-bonded, linear polydimethylsiloxane-polyoxyalkylene block copolymers of the structure type ABA is effected by reacting trifluoromethanesulfonic acid-acidified acetoxysiloxane with polyetherols optionally in the presence of buffer mixtures and optionally an additional condensation catalyst and optionally in the presence of an inert solvent.
    Type: Application
    Filed: May 7, 2019
    Publication date: June 10, 2021
    Applicant: Evonik Operations GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Frauke Henning
  • Publication number: 20210163687
    Abstract: Equilibrated trifluoromethanesulfonic acid-acidified ?,?-diacetoxypolydimethylsiloxanes, processes for the production thereof and SiOC-bonded, linear polydimethylsiloxane-polyoxyalkylene block copolymers of the structure type ABA and a process for the production thereof are described, wherein the production of SiOC-bonded, linear polydimethylsiloxane-polyoxyalkylene block copolymers of the structure type ABA is effected by reacting trifluoromethanesulfonic acid-acidified acetoxysiloxane with polyetherols optionally in the presence of bases and optionally in the presence of an inert solvent.
    Type: Application
    Filed: May 7, 2019
    Publication date: June 3, 2021
    Applicant: Evonik Operations GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Frauke Henning
  • Patent number: 11021575
    Abstract: Described is a process for producing trifluoromethanesulfonic acid-acidified, end-equilibrated, acetoxy-bearing siloxanes which comprises reacting cyclic siloxanes, in particular comprising D4 and/or D5, and/or cyclic branched siloxanes of the D/T type with acetic anhydride using trifluoromethanesulfonic acid as catalyst and with addition of acetic acid.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: June 1, 2021
    Assignee: Evonik Operations GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Frauke Henning, Jan Caßens
  • Publication number: 20210047591
    Abstract: Specific siloxanes, compositions containing these specific siloxanes, and processes for preparation thereof, are useful for treatment of fabrics, in cleaning and care formulations for the household and for industrial purposes, and in cosmetic, pharmaceutical and dermatological compositions, especially in cosmetic cleansing and care formulations, hair treatment products and hair aftertreatment products, and for cleaning and care of hard surfaces, preferably for cleaning and care of motor vehicles, especially as additive in drying aids for carwash facilities.
    Type: Application
    Filed: March 26, 2019
    Publication date: February 18, 2021
    Applicant: Evonik Operations GmbH
    Inventors: Frauke HENNING, Jörg Peggau, Andrea Lohse, Astrid Zündorff, Sarah Radloff, Alexandra Trambitas
  • Publication number: 20200377526
    Abstract: Described is a process for producing preferably trifluoromethanesulfonic acid-acidified, end-equilibrated, acetoxy-bearing siloxanes which comprises reacting cyclic siloxanes, in particular comprising D4 and/ or D5, and/or cyclic branched siloxanes of the D/T type with acetic anhydride using preferably trifluoromethanesulfonic acid as catalyst and with addition of acetic acid, wherein the cyclic branched siloxanes of the D/T type are mixtures of cyclic branched siloxanes of the D/T type which may contain not only siloxanes comprising D and T units but also siloxanes comprising Q units.
    Type: Application
    Filed: April 17, 2020
    Publication date: December 3, 2020
    Applicant: Evonik Operations GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Frauke Henning, Jan Caßens
  • Publication number: 20200377665
    Abstract: Described is a process for producing preferably trifluoromethanesulfonic acid-acidified, end-equilibrated, acetoxy-bearing siloxanes which comprises reacting cyclic siloxanes, in particular comprising D4 and/or D5, and/or cyclic branched siloxanes of the D/T type with acetic anhydride using preferably trifluoromethanesulfonic acid as catalyst and with addition of acetic acid, wherein the cyclic branched siloxanes of the D/T type are mixtures of cyclic branched siloxanes of the D/T type which contain not only siloxanes comprising D and T units but also siloxanes comprising Q units.
    Type: Application
    Filed: April 15, 2020
    Publication date: December 3, 2020
    Applicant: Evonik Operations GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Frauke Henning, Jan Caßens
  • Publication number: 20200377640
    Abstract: SiOC-linked, linear polydimethylsiloxane-polyoxyalkylene block copolymers of formula (I) C—B-(AB)a—C1 are produced by reaction of end-equilibrated ?,?-diacetoxypolydimethylsiloxanes with a mixture including at least one polyether polyol, preferably a polyether diol, and at least one polyether monool or at least one monohydric alcohol.
    Type: Application
    Filed: May 26, 2020
    Publication date: December 3, 2020
    Applicant: Evonik Operations GmbH
    Inventors: Wilfried KNOTT, Horst DUDZIK, Frauke HENNING, Philippe FAVRESSE
  • Publication number: 20200377669
    Abstract: Branched SiOC-linked polyethersiloxanes have the following formula (I) where R1 is an alkyl radical having 1 to 4 carbon atoms or a phenyl radical, but preferably 90% of the radicals R1 are methyl radicals; b has a value of from 1 to 10; a has a value of from 1 to 200, preferably 10 to 100, a value of from 3 to 70 when b is ?1 and ?4, or a value of from 3 to 30 when b is >4; and R2 denotes identical or different polyether radicals, but at least one radical R2 is a structural element radical of formula (II): where p=at least 2, preferably p=2-6, particularly preferably p=3.
    Type: Application
    Filed: May 26, 2020
    Publication date: December 3, 2020
    Applicant: Evonik Operations GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Dagmar Windbiel, Philippe Favresse, Michael Fiedel, André Brötzmann, Frauke Henning, Jan Caßens, Michael Ferenz
  • Publication number: 20200377524
    Abstract: Processes are described for purifying acidic, preferably superacidic, in particular trifluoromethanesulfonic acid-acidified, end-equilibrated acetoxysiloxanes, wherein the acidic, preferably superacidic, in particular trifluoromethanesulfonic acid-acidified, acetic anhydride-containing and optionally acetic acid-containing equilibrated, preferably end-equilibrated acetoxysiloxane, which is optionally dissolved in an inert solvent, is contacted with a base, the precipitate is filtered off thereafter and then the filtrate obtained is optionally purified by distillation.
    Type: Application
    Filed: April 16, 2020
    Publication date: December 3, 2020
    Applicant: Evonik Operations GmbH
    Inventors: Wilfried Knott, Dagmar Windbiel, Horst Dudzik, Frauke Henning, Jan Caßens