Patents by Inventor Stefan Kreiling
Stefan Kreiling 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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Publication number: 20230159693Abstract: The present invention relates to curable compositions comprising (a) N-arylated benzoxazines, and (b) a prepolymer produced from a diisocyanate having two isocyanate groups with different reactivity. The compositions are particularly suitable in the production of adhesives and sealants, prepregs and towpreg.Type: ApplicationFiled: January 3, 2023Publication date: May 25, 2023Applicant: KANEKA AEROSPACE LLCInventors: Stefan KREILING, Rainer SCHOENFELD, Andreas TADEN, Michael KUX, Harald KUSTER, Ursula TENHAEF, Stanley Leroy LEHMANN
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Publication number: 20210102035Abstract: The present invention relates to curable compositions comprising (a) N-arylated benzoxazines, and (b) a prepolymer produced from a diisocyanate having two isocyanate groups with different reactivity. The compositions are particularly suitable in the production of adhesives and sealants, prepregs and towpreg.Type: ApplicationFiled: October 20, 2020Publication date: April 8, 2021Applicant: KANEKA AEROSPACE LLCInventors: Stefan Kreiling, Rainer Schoenfeld, Andreas Taden, Michael Kux, Herald Kuster, Ursula Tenhaef, Stanley Leroy Lehmann
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Patent number: 9428679Abstract: The present invention relates to flame-retardant polymerizable compositions comprising at least one benzoxazine compound and particular phosphorus-containing polymers. The present invention further provides adhesives, sealants or coating materials comprising the polymerizable composition according to the invention, and polymerization products of said composition.Type: GrantFiled: February 17, 2015Date of Patent: August 30, 2016Assignee: Henkel AG & Co. KGaAInventors: Emilie Barriau, Stefan Kreiling, Rainer Schoenfeld, Manfred Doering
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Patent number: 9315651Abstract: The present invention relates to a polymerizable composition, containing at least one benzoxazine compound and certain oligomeric or polymeric urethane group-free polyether compounds. The present invention further relates to adhesives, sealants or coatings comprising the polymerizable composition according to the invention and the polymerization products of said composition.Type: GrantFiled: January 20, 2012Date of Patent: April 19, 2016Assignee: HENKEL AG & CO. KGAAInventors: Rainer Schoenfeld, Andreas Taden, Stefan Kreiling, Claudia Mai, Michael Kux, Harald Kuster
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Publication number: 20150159065Abstract: The present invention relates to flame-retardant polymerizable compositions comprising at least one benzoxazine compound and particular phosphorus-containing polymers. The present invention further provides adhesives, sealants or coating materials comprising the polymerizable composition according to the invention, and polymerization products of said composition.Type: ApplicationFiled: February 17, 2015Publication date: June 11, 2015Inventors: Emilie Barriau, Stefan Kreiling, Rainer Schoenfeld, Manfred Doering
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Publication number: 20150126679Abstract: The invention relates to polymerizable benzoxazine compounds with interfacial active or surface active properties, having at least one polyalkylene oxide structural element, and to a method for producing said compounds. The invention also relates to benzoxazine (co)polymers comprising at least one of said benzoxazine compounds in the polymerized form.Type: ApplicationFiled: January 6, 2015Publication date: May 7, 2015Inventors: Andreas Taden, Stefan Kreiling, Rainer Schoenfeld
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Publication number: 20150126669Abstract: The invention relates to polymerizable benzoxazine compounds with interfacial active or surface active properties, having at least one polyalkylene oxide structural element, and to a method for producing said compounds. The invention also relates to benzoxazine (co)polymers comprising at least one of said benzoxazine compounds in the polymerized form.Type: ApplicationFiled: January 6, 2015Publication date: May 7, 2015Inventors: Andreas Taden, Stefan Kreiling, Rainer Schoenfeld
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Patent number: 8758549Abstract: The present invention relates to heat-curable compositions containing a mixture of reactive epoxy resins that contains, based on the mass of all epoxy resins, a) at least 10 wt % of an epoxy group-containing reaction product of epichlorohydrin with polypropylene glycol which has an epoxy equivalent weight of at least 250 g/eq, and b) at least 10 wt % of an epoxy group-containing reaction product of epichlorohydrin with a novolac resin which has an epoxy equivalent weight of at least 175 g/eq, and at least one latent hardener.Type: GrantFiled: November 5, 2012Date of Patent: June 24, 2014Assignee: Henkel AG & Co. KGaAInventors: Pablo Walter, Mustapha Benomar, Stefan Kreiling, Angelika Troll, Rainer Schoenfeld
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Patent number: 8716377Abstract: The present invention relates to a polymerizable composition comprising at least one polymerizable benzoxazine compound and core-shell particles, where the core of the core-shell particles comprises at least one (co)polymer of at least one ethylenically unsaturated monomer (A) and the shell of the core-shell particles comprises at least one crosslinked (co)polymer of at least one ethylenically unsaturated monomer (B), where the ethylenically unsaturated monomer (B) encompasses at least one aromatic group. The present invention further relates to adhesives, sealants or coatings, which encompass the polymerizable composition of the invention, and also to the polymerization products of this composition. The present invention further relates to a process for the production of the polymerizable composition of the invention.Type: GrantFiled: November 9, 2010Date of Patent: May 6, 2014Assignee: Henkel AG & Co. KGaAInventors: Andreas Taden, Stefan Kreiling, Rainer Schoenfeld, Lothar Unger
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Patent number: 8541512Abstract: A resin component for a one- or two-component adhesive, a matrix resin, or a structural foam, comprising: C1) at least one epoxy resin, having an average of more than one epoxy group per molecule, that does not correspond to the definition of component C2); C2) at least one oligomeric or polymeric urethane-group-free polyether compound. A one- or two-component epoxy adhesive, structural foam, or matrix material for composites, comprising the aforesaid resin components.Type: GrantFiled: January 30, 2012Date of Patent: September 24, 2013Assignee: Henkel AG & Co. KGaAInventors: Rainer Schoenfeld, Emilie Barriau, Stefan Kreiling, Pablo Walter
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Publication number: 20120329945Abstract: The present invention relates to a curable composition, comprising specific meta-substituted aromatic compounds and at least one benzoxazine compound. In particular, the invention relates to the use of said meta-substituted aromatic compounds as curatives/catalysts for benzoxazine-containing compositions.Type: ApplicationFiled: April 27, 2012Publication date: December 27, 2012Applicant: Henkel AG & Co. KGaaInventors: Atsushi Mori, Atsushi Sudo, Takeshi Endo, Ryoichi Kudoh, Andreas Taden, Rainer Schoenfeld, Thomas Huver, Iris Christa Huver, Stefan Kreiling
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Patent number: 8309066Abstract: Cationic benzoxazine (co)polymers wherein at least 5% of all nitrogen atoms are in the form of quaternary nitrogen atoms, and to a method for producing said polymers. The invention also relates to a washing and cleaning agent, a textile treatment agent or a cosmetic agent containing at least one cationic benzoxazine (co)polymer according to the invention.Type: GrantFiled: November 9, 2011Date of Patent: November 13, 2012Assignee: Henkel AG & Co. KGaAInventors: Andreas Taden, Stefan Kreiling, Rainer Schoenfeld, Paula Barreleiro, Thomas Eiting
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Publication number: 20120156487Abstract: The present invention relates to a polymerizable composition, containing at least one benzoxazine compound and certain oligomeric or polymeric urethane group-free polyether compounds. The present invention further relates to adhesives, sealants or coatings comprising the polymerizable composition according to the invention and the polymerization products of said composition.Type: ApplicationFiled: January 20, 2012Publication date: June 21, 2012Applicant: Henkel AG & Co. KGaAInventors: Rainer Schoenfeld, Andreas Taden, Stefan Kreiling, Claudia Mai, Michael Kux, Harald Kuster
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Publication number: 20120128987Abstract: A resin component for a one- or two-component adhesive, a matrix resin, or a structural foam, comprising: C1) at least one epoxy resin, having an average of more than one epoxy group per molecule, that does not correspond to the definition of component C2); C2) at least one oligomeric or polymeric urethane-group-free polyether compound. A one- or two-component epoxy adhesive, structural foam, or matrix material for composites, comprising the aforesaid resin components.Type: ApplicationFiled: January 30, 2012Publication date: May 24, 2012Inventors: Rainer Schoenfeld, Emilie Barriau, Stefan Kreiling, Pablo Walter
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Patent number: 8168743Abstract: The invention relates to a curable benzoxazine macromonomer containing at least 3 benzoxazine rings and at least one aliphatic, heteroaliphatic, araliphatic, hetereoaraliphatic, aromatic or heteroaromatic fragment, the fragment comprising a shortest atom chain containing at least 40 consecutive atoms between two benzoxazine nitrogen atoms or between two benzoxazine oxygen atoms, and said atom chain must not include any oxazine ring atoms (“soft fragment”). The invention further relates to cured products made thereof and a method or producing the same.Type: GrantFiled: April 23, 2010Date of Patent: May 1, 2012Assignees: Henkel AG & Co. KGaA, Henkel CorporationInventors: Andreas Taden, Ursula Tenhaef, Stefan Kreiling, Rainer Schoenfeld, Stanley Leroy Lehmann
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Patent number: 8143363Abstract: The present invention relates to a polymerizable composition comprising, as a component A, at least one silicon-organic compound having at least two ?Si—H groups that are reactive in the hydrosilylation reaction and, as a component B, at least one benzoxazine compound having at least two unsaturated carbon-carbon bonds that are reactive in the hydrosilylation reaction with the component A. Additional objects of the present invention include adhesives, sealants or coatings containing the polymerizable composition according to the invention, and the polymerization products of said components.Type: GrantFiled: January 10, 2011Date of Patent: March 27, 2012Assignee: Henkel AG & Co. KGaAInventors: Andreas Taden, Stefan Kreiling, Rainer Schoenfeld, Yusuf Yagci, Baris Kiskan, Aydogan Binnur
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Publication number: 20120058069Abstract: Cationic benzoxazine (co)polymers wherein at least 5% of all nitrogen atoms are in the form of quaternary nitrogen atoms, and to a method for producing said polymers. The invention also relates to a washing and cleaning agent, a textile treatment agent or a cosmetic agent containing at least one cationic benzoxazine (co)polymer according to the invention.Type: ApplicationFiled: November 9, 2011Publication date: March 8, 2012Inventors: Andreas Taden, Stefan Kreiling, Rainer Schoenfeld, Paula Barreleiro, Thomas Eiting
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Publication number: 20120010202Abstract: The invention relates to polymerizable benzoxazine compounds with interfacial active or surface active properties, having at least one polyalkylene oxide structural element, and to a method for producing said compounds. The invention also relates to benzoxazine (co)polymers comprising at least one of said benzoxazine compounds in the polymerized form.Type: ApplicationFiled: September 23, 2011Publication date: January 12, 2012Applicant: Henkel AG & Co. KGaAInventors: Andreas Taden, Stefan Kreiling, Rainer Schoenfeld
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Publication number: 20110172356Abstract: The present invention relates to curable compositions comprising (a) at least one benzoxazine component selected from the group consisting of N-alkyl and N-alkenyl benzoxazines, and (b) a prepolymer produced from a diisocyanate. The compositions are particularly suitable in the production of adhesives and sealants, prepregs and towpregs.Type: ApplicationFiled: March 18, 2011Publication date: July 14, 2011Inventors: Stefan Kreiling, Rainer Schonfeld, Andreas Taden, Michael Kux, Harald Küster, Stanley L. Lehmann
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Publication number: 20110112235Abstract: The present invention relates to a polymerizable composition comprising at least one polymerizable benzoxazine compound and core-shell particles, where the core of the core-shell particles comprises at least one (co)polymer of at least one ethylenically unsaturated monomer (A) and the shell of the core-shell particles comprises at least one crosslinked (co)polymer of at least one ethylenically unsaturated monomer (B), where the ethylenically unsaturated monomer (B) encompasses at least one aromatic group. The present invention further relates to adhesives, sealants or coatings, which encompass the polymerizable composition of the invention, and also to the polymerization products of this composition. The present invention further relates to a process for the production of the polymerizable composition of the invention.Type: ApplicationFiled: November 9, 2010Publication date: May 12, 2011Applicant: Henkel AG & Co. KGaAInventors: Andreas Taden, Stefan Kreiling, Rainer Schoenfeld, Lothar Unger