Patents by Inventor Iris Brueckner
Iris Brueckner 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).
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Patent number: 11795263Abstract: The present invention relates to compositions comprising a) 20-80% by weight, based on the total mass of constituents of the composition, of at least one sulfonic acid functionalized with at least one hydroxy and/or amino group and/or at least one sulfonic acid derivative functionalized with at least one hydroxy and/or amino group and b) 80-20% by weight, based on the total mass of constituents of the composition, of at least one compound having at least two OH groups, a method for the preparation thereof and use thereof.Type: GrantFiled: December 6, 2019Date of Patent: October 24, 2023Assignee: Evonik Operations GmbHInventors: Emmanouil Spyrou, Iris Brückner, Judith Schoder
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Patent number: 10988492Abstract: 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: GrantFiled: April 11, 2019Date of Patent: April 27, 2021Assignee: Evonik Operations GmbHInventors: Wiebke Stache, Emmanouil Spyrou, Iris Brückner, Ralf Klawikowski, Jan Pfingsten, Judith Schoder
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Publication number: 20200190248Abstract: The present invention relates to compositions comprising a) 20-80% by weight, based on the total mass of constituents of the composition, of at least one sulfonic acid functionalized with at least one hydroxy and/or amino group and/or at least one sulfonic acid derivative functionalized with at least one hydroxy and/or amino group and b) 80-20% by weight, based on the total mass of constituents of the composition, of at least one compound having at least two OH groups, a method for the preparation thereof and use thereof.Type: ApplicationFiled: December 6, 2019Publication date: June 18, 2020Applicant: Evonik Operations GmbHInventors: Emmanouil Spyrou, Iris Brückner, Judith Schoder
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Publication number: 20190315778Abstract: 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: ApplicationFiled: April 11, 2019Publication date: October 17, 2019Applicant: Evonik Degussa GmbHInventors: Wiebke Stache, Emmanouil Spyrou, Iris Brückner, Ralf Klawikowski, Jan Pfingsten, Judith Schoder
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Patent number: 10329375Abstract: 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: GrantFiled: May 18, 2018Date of Patent: June 25, 2019Assignee: Evonik Degussa GmbHInventors: Wiebke Stache, Tobias Unkelhäußer, Iris Brückner, Sabine Naumann, Marita Drüner, Judith Schoder
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Patent number: 10093765Abstract: 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: GrantFiled: June 14, 2017Date of Patent: October 9, 2018Assignee: Evonik Degussa GmbHInventors: Wiebke Stache, Tobias Unkelhäusser, Emmanouil Spyrou, Annegret Lilienthal, Iris Brückner, Jan Pfingsten
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Publication number: 20170369626Abstract: 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: ApplicationFiled: June 14, 2017Publication date: December 28, 2017Inventors: Wiebke Stache, Tobias Unkelhäusser, Emmanouil Spyrou, Annegret Lilienthal, Iris Brückner, Jan Pfingsten
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Publication number: 20170349693Abstract: 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: ApplicationFiled: August 21, 2017Publication date: December 7, 2017Applicant: EVONIK DEGUSSA GMBHInventors: Emmanouil Spyrou, Evelyn Albrecht, Iris Brueckner, Annegret Lilienthal, Wiebke Stache, Judith Schoder
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Publication number: 20150329751Abstract: 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: ApplicationFiled: May 13, 2015Publication date: November 19, 2015Applicant: EVONIK INDUSTRIES AGInventors: Wiebke STACHE, Emmanouil SPYROU, Iris BRÜCKNER, Sven BÜSCHER, Jessika SCHÜLLER
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Publication number: 20150252219Abstract: The invention relates to an aqueous composition, comprising A a water-soluble or water-dispersible binder, or a water-soluble or water-dispersible component containing carboxyl groups, and B at least one cyclic hydroxyalkylamide.Type: ApplicationFiled: August 23, 2013Publication date: September 10, 2015Applicant: Evonik Industries AGInventors: Emmanouil Spyrou, Evelyn Albrecht, Annegret Lilienthal, Iris Brueckner, Wiebke Stache, Stephen Parkyn
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Publication number: 20150232609Abstract: 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: ApplicationFiled: August 20, 2013Publication date: August 20, 2015Applicant: Evonik Industries AGInventors: Emmanouil Spyrou, Evelyn Albrecht, Iris Brueckner, Annegret Lilienthal, Wiebke Stache, Judith Schoder
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Publication number: 20120065424Abstract: A low-catalyst-content isocyanate mixture containing at least one of a carbodiimide group and a uretonimine groups, obtained by: reacting at least one monomeric diisocyanate (A) in the presence of phosphorus-containing catalyst (B), to obtain a reaction mixture comprising carbodiimide, where the reaction does not take place to complete conversion of the diisocyanate (A) and 1-80% by weight of the diisocyanate (A) employed remains in the reaction mixture as excess diisocyanate; and subsequently simultaneously removing, by distillation, a fraction of the excess of diisocyanate and the catalyst (B), to obtain the isocyanate mixture and a distillate, where the isocyanate mixture has a monomeric diisocyanate (A) content of 0.5%-20% by weight, based on the monomeric diisocyanate (A) employed, and a catalyst (B) content of 0% to 20% by weight, based on the catalyst (B) employed. In addition, a process for preparing a low-catalyst-content isocyanate mixture.Type: ApplicationFiled: April 21, 2010Publication date: March 15, 2012Applicant: EVONIK DEGUSSA GmbHInventors: Emmanouil Spyrou, Evelyn Albrecht, Annegret Lilienthal, Iris Brueckner, Andrea Voecker
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Patent number: 7101958Abstract: The invention described herein provides ketone-aldehyde resins, especially cyclohexanone-formaldehyde resins, with low water content and high thermal stability and yellowing resistance, and to a process for preparing them and their use.Type: GrantFiled: July 19, 2004Date of Patent: September 5, 2006Assignee: Degussa AGInventors: Patrick Gloeckner, Werner Andrejewski, Hans-Peter Bergmann, Iris Brueckner, Peter Denkinger, Michael Ewald, Thomas Weber
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Publication number: 20060074217Abstract: The invention described herein provides ketone-aldehyde resins, especially cyclohexanone-formaldehyde resins, with low water content and high thermal stability and yellowing resistance, and to a process for preparing them and their use.Type: ApplicationFiled: November 25, 2005Publication date: April 6, 2006Applicant: DEGUSSA AGInventors: Patrick Gloeckner, Werner Andrejewski, Hans-Peter Bergmann, Iris Brueckner, Peter Denkinger, Michael Ewald, Thomas Weber
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Publication number: 20050043499Abstract: The invention described herein provides ketone-aldehyde resins, especially cyclohexanone-formaldehyde resins, with low water content and high thermal stability and yellowing resistance, and to a process for preparing them and their use.Type: ApplicationFiled: July 19, 2004Publication date: February 24, 2005Applicant: DEGUSSA AGInventors: Patrick Gloeckner, Werner Andrejewski, Hans-Peter Bergmann, Iris Brueckner, Peter Denkinger, Michael Ewald, Thomas Weber