Patents by Inventor Dirk Hoppe
Dirk Hoppe 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).
-
Patent number: 10793664Abstract: A process for preparing trimers and/or oligomers of diisocyanates is disclosed along with a composition of trimers and/or oligomers formed from diisocyanates and monomeric diisocyanates obtainable by reaction of I. 5-94.999% by weight of A) at least one diisocyanate having a boiling point of less than 250° C. (at standard pressure) and/or B) at least one diisocyanate having a boiling point of 250-350° C. (at standard pressure), in the presence of II. 94.999-5% by weight of C) at least one diisocyanate having a boiling point above 350° C. (at standard pressure), III. in the presence of at least one trimerization catalyst in amounts of 0.001% to 5% by weight, and the amounts of I.-III. add up to 100% by weight.Type: GrantFiled: May 4, 2018Date of Patent: October 6, 2020Assignee: Evonik Operations GmbHInventors: Rainer Lomölder, Christoph Nacke, Melanie Sajitz, Emmanouil Spyrou, Dirk Hoppe
-
Patent number: 10669293Abstract: The present invention relates to a process for preparing isocyanate containing alkoxysilane groups, in which, in the sequence of steps A) to D), A) alkoxysilanoalkylamine is reacted with urea in the presence of an alcohol, optionally in the presence of at least one catalyst, to give alkoxysilanoalkylurethane, B) simultaneously or successively, if used, the catalyst is removed and/or deactivated, and low boilers, medium boilers and/or high boilers are removed, C) purified alkoxysilanoalkylurethane is thermally cleaved to release isocyanate containing alkoxysilane groups and by-product, leaving bottoms material, and D) isocyanate containing alkoxysilane groups and by-product are separated from one another and from bottoms material and collected, in which, in step C), i) the bottoms material is wholly or partly discharged from the cleavage apparatus, ii) subjected to thermal treatment and/or purification and/or an aftertreatment in the presence of alcohol and iii) the material removed, after thermal treatmentType: GrantFiled: March 18, 2019Date of Patent: June 2, 2020Assignee: Evonik Operations GmbHInventors: Manfred Kreczinski, Stephan Kohlstruk, Dirk Hoppe, Emmanouil Spyrou
-
Patent number: 10633401Abstract: The invention relates to a process for preparing isocyanate containing alkoxysilane groups, in which, in the sequence of steps A) to D), A) alkoxysilano(cyclo)alkylamine is reacted with dialkyl carbonate in the presence of a basic catalyst to give alkoxysilano(cyclo)alkylurethane, B) simultaneously or successively, the catalyst is deactivated, and low boilers, solids, salt burdens and/or high boilers are removed, C) alkoxysilano(cyclo)alkylurethane obtained after B) is thermally cleaved to release isocyanate containing alkoxysilane groups and by-product, leaving bottoms material, and D) isocyanate containing alkoxysilane groups and by-product are separated from one another and from bottoms material and collected, wherein the process regime at least of steps C) to D) is continuous.Type: GrantFiled: March 15, 2019Date of Patent: April 28, 2020Assignee: Evonik Operations GmbHInventors: Manfred Kreczinski, Stephan Kohlstruk, Emmanouil Spyrou, Dirk Hoppe
-
Patent number: 10626131Abstract: The invention relates to a process for preparing isocyanate containing alkoxysilane groups, in which, in the sequence of steps A) to D), A) alkoxysilano(cyclo)alkylamine is reacted with dialkyl carbonate in the presence of a basic catalyst to give alkoxysilano(cyclo)alkylurethane, B) simultaneously or successively, the catalyst is removed and/or deactivated, and low boilers, solids, salt burdens and/or high boilers are removed, C) alkoxysilano(cyclo)alkylurethane obtained after B) is thermally cleaved to release isocyanate containing alkoxysilane groups and by-product, leaving bottoms material, and D) isocyanate containing alkoxysilane groups and by-product are separated from one another and from bottoms material and collected, wherein the basic catalyst is a guanidine base.Type: GrantFiled: March 15, 2019Date of Patent: April 21, 2020Assignee: Evonik Operations GmbHInventors: Manfred Kreczinski, Stephan Kohlstruk, Emmanouil Spyrou, Dirk Hoppe
-
Patent number: 10611782Abstract: The invention relates to a process for preparing isocyanate containing alkoxysilane groups, in which, in the sequence of steps A) to D), A) haloalkylalkoxysilane is reacted with metal cyanate and alcohol to give alkoxysilanoalkylurethane, B) alkoxysilanoalkylurethane is freed of low boilers, solids, salt burdens and/or high boilers and optionally purified, C) alkoxysilanoalkylurethane obtained after B) is thermally cleaved to release isocyanate containing alkoxysilane groups and by-product, leaving bottoms material, and D) isocyanate containing alkoxysilane groups and by-product are separated from one another and from cleavage bottoms material and collected, wherein the process regime at least of steps C) to D) is continuous.Type: GrantFiled: March 18, 2019Date of Patent: April 7, 2020Assignee: Evonik Operations GmbHInventors: Manfred Kreczinski, Stephan Kohlstruk, Emmanouil Spyrou, Dirk Hoppe
-
Patent number: 10519096Abstract: The present invention relates to a process for hydrogenating nitrile compounds to amino compounds, in which the cross-sectional loading of the reactor during the hydrogenation is less than or equal to 4.0 kg/m2*s, based on the liquid phase.Type: GrantFiled: May 17, 2018Date of Patent: December 31, 2019Assignee: Evonik Degussa GmbHInventors: Anne Rittsteiger, Stephan Kohlstruk, Dirk Hoppe, Alexander Martin Rüfer, Sabrina Sowka, Sven Schneider, Norbert Schlüter, Axel Hengstermann, Markus Galle, Stefan Röder, Monika Berweiler
-
Publication number: 20190300550Abstract: The invention relates to a process for preparing isocyanate containing alkoxysilane groups, in which, in the sequence of steps A) to D), A) alkoxysilano(cyclo)alkylamine is reacted with dialkyl carbonate in the presence of a basic catalyst to give alkoxysilano(cyclo)alkylurethane, B) simultaneously or successively, the catalyst is deactivated, and low boilers, solids, salt burdens and/or high boilers are removed, C) alkoxysilano(cyclo)alkylurethane obtained after B) is thermally cleaved to release isocyanate containing alkoxysilane groups and by-product, leaving bottoms material, and D) isocyanate containing alkoxysilane groups and by-product are separated from one another and from bottoms material and collected, pa wherein the process regime at least of steps C) to D) is continuous.Type: ApplicationFiled: March 15, 2019Publication date: October 3, 2019Applicant: Evonik Degussa GmbHInventors: Manfred Kreczinski, Stephan Kohlstruk, Emmanouil Spyrou, Dirk Hoppe
-
Publication number: 20190300553Abstract: The present invention relates to a process for preparing isocyanate containing alkoxysilane groups, in which, in the sequence of steps A) to D), A) alkoxysilanoalkylamine is reacted with urea in the presence of an alcohol, optionally in the presence of at least one catalyst, to give alkoxysilanoalkylurethane, B) simultaneously or successively, if used, the catalyst is removed and/or deactivated, and low boilers, medium boilers and/or high boilers are removed, C) purified alkoxysilanoalkylurethane is thermally cleaved to release isocyanate containing alkoxysilane groups and by-product, leaving bottoms material, and D) isocyanate containing alkoxysilane groups and by-product are separated from one another and from bottoms material and collected, in which, in step C), i) the bottoms material is wholly or partly discharged from the cleavage apparatus, ii) subjected to thermal treatment and/or purification and/or an aftertreatment in the presence of alcohol and iii) the material removed, after thermal treatmentType: ApplicationFiled: March 18, 2019Publication date: October 3, 2019Applicant: Evonik Degussa GmbHInventors: Manfred Kreczinski, Stephan Kohlstruk, Dirk Hoppe, Emmanouil Spyrou
-
Publication number: 20190300551Abstract: The invention relates to a process for preparing isocyanate containing alkoxysilane groups, in which, in the sequence of steps A) to D), A) haloalkylalkoxysilane is reacted with metal cyanate and alcohol to give alkoxysilanoalkylurethane, B) alkoxysilanoalkylurethane is freed of low boilers, solids, salt burdens and/or high boilers and optionally purified, C) alkoxysilanoalkylurethane obtained after B) is thermally cleaved to release isocyanate containing alkoxysilane groups and by-product, leaving bottoms material, and D) isocyanate containing alkoxysilane groups and by-product are separated from one another and from cleavage bottoms material and collected, wherein the process regime at least of steps C) to D) is continuous.Type: ApplicationFiled: March 18, 2019Publication date: October 3, 2019Applicant: Evonik Degussa GmbHInventors: Manfred Kreczinski, Stephan Kohlstruk, Emmanouil Spyrou, Dirk Hoppe
-
Publication number: 20190300549Abstract: The invention relates to a process for preparing isocyanate containing alkoxysilane groups, in which, in the sequence of steps A) to D), A) alkoxysilano(cyclo)alkylamine is reacted with dialkyl carbonate in the presence of a basic catalyst to give alkoxysilano(cyclo)alkylurethane, B) simultaneously or successively, the catalyst is removed and/or deactivated, and low boilers, solids, salt burdens and/or high boilers are removed, C) alkoxysilano(cyclo)alkylurethane obtained after B) is thermally cleaved to release isocyanate containing alkoxysilane groups and by-product, leaving bottoms material, and D) isocyanate containing alkoxysilane groups and by-product are separated from one another and from bottoms material and collected, wherein the basic catalyst is a guanidine base.Type: ApplicationFiled: March 15, 2019Publication date: October 3, 2019Applicant: Evonik Degussa GmbHInventors: Manfred Kreczinski, Stephan Kohlstruk, Emmanouil Spyrou, Dirk Hoppe
-
Publication number: 20180339959Abstract: The present invention relates to a process for hydrogenating nitrile compounds to amino compounds, in which the cross-sectional loading of the reactor during the hydrogenation is less than or equal to 4.0 kg/m2*s, based on the liquid phase.Type: ApplicationFiled: May 17, 2018Publication date: November 29, 2018Inventors: Anne Rittsteiger, Stephan Kohlstruk, Dirk Hoppe, Alexander Martin Rüfer, Sabrina Sowka, Sven Schneider, Norbert Schlüter, Axel Hengstermann, Markus Galle, Stefan Röder, Monika Berweiler
-
Publication number: 20180327538Abstract: A process for preparing trimers and/or oligomers of diisocyanates is disclosed along with a composition of trimers and/or oligomers formed from diisocyanates and monomeric diisocyanates obtainable by reaction of I. 5-94.999% by weight of A) at least one diisocyanate having a boiling point of less than 250° C. (at standard pressure) and/or B) at least one diisocyanate having a boiling point of 250-350° C. (at standard pressure), in the presence of II. 94.999-5% by weight of C) at least one diisocyanate having a boiling point above 350° C. (at standard pressure), III. in the presence of at least one trimerization catalyst in amounts of 0.001% to 5% by weight, and the amounts of add up to 100% by weight.Type: ApplicationFiled: May 4, 2018Publication date: November 15, 2018Inventors: Rainer Lomölder, Christoph Nacke, Melanie Sajitz, Emmanouil Spyrou, Dirk Hoppe
-
Patent number: 9550344Abstract: The invention relates to the use of polyolefins modified with one or more silanes as adhesion promoters for the production of flat glass/glass, glass/plastic, or plastic/plastic laminates, to corresponding laminates, and to displays containing the laminates according to the invention.Type: GrantFiled: July 8, 2009Date of Patent: January 24, 2017Assignee: Evonik Degussa GmbHInventors: Hinnerk Gordon Becker, Hans-Dieter Zagefka, Hans Guenther Wey, Friedrich Georg Schmidt, Dirk Hoppe, Martin Kothe
-
Publication number: 20160152825Abstract: A composite is produced by I. producing a reactive composition containing A) at least one organic diisocyanate and/or polyisocyanate; B) at least one compound having at least one functional group reactive toward NCO groups, wherein the ratio of NCO groups of A) and the functional groups of B) varies from 1:2 to 2:1; C) a catalyst mixture containing C1) at least one titanium compound and C2) at least one bismuth compound in a C1:C2 ratio of 100:1 to 1:100; and D) optionally, an additive; wherein the amounts of A)-D) add up to 100% by weight, II. directly impregnating a fibrous carrier with the composition from I., to obtain an impregnated fibrous carrier, III. shaping the impregnated fibrous carrier to give a molding, and IV. curing the reactive composition I.Type: ApplicationFiled: November 27, 2015Publication date: June 2, 2016Applicant: Evonik Degussa GmbHInventors: Rainer LOMOELDER, Dirk Hoppe, Christoph Nacke, Sebastian De Nardo
-
Publication number: 20150329752Abstract: The invention relates to water-soluble or water-dispersible, hydrophilic polyisocyanates and polyisocyanate mixtures, to a process for preparing them, and to their use as a starting component in the production of polyurethane polymers, more particularly as crosslinkers for water-soluble or water-dispersible film-forming binders, adhesives binders, or sealant binders or binder components with or without groups which are reactive towards isocyanate groups.Type: ApplicationFiled: July 30, 2015Publication date: November 19, 2015Applicant: Evonik Degussa GmbHInventors: Evelyn Albrecht, Emmanouil Spyrou, Annegret Lilienthal, Andre Raukamp, Dirk Hoppe, Dirk Kuppert, Joachim Venzmer, Frank Schubert, Michael Ferenz
-
Patent number: 9175126Abstract: The invention relates to water-soluble or water-dispersible, hydrophilic polyisocyanates and polyisocyanate mixtures, to a process for preparing them, and to their use as a starting component in the production of polyurethane polymers, more particularly as crosslinkers for water-soluble or water-dispersible film-forming binders, adhesives binders, or sealant binders or binder components with or without groups which are reactive towards isocyanate groups.Type: GrantFiled: May 18, 2011Date of Patent: November 3, 2015Assignee: Evonik Degussa GmbHInventors: Evelyn Albrecht, Emmanouil Spyrou, Annegret Lilienthal, Andre Raukamp, Dirk Hoppe, Dirk Kuppert, Joachim Venzmer, Frank Schubert, Michael Ferenz
-
Patent number: 8968895Abstract: The invention relates to a battery comprising an electrode separator arrangement filled with an electrolyte, characterized in that the electrode separator arrangement is at least partially covered with a casting compound (FIG. 6a). The invention also relates to a method for producing such a battery.Type: GrantFiled: July 12, 2011Date of Patent: March 3, 2015Assignee: Evonik Degussa GmbHInventors: Gerhard Hoerpel, Martin Schuster, Dirk Hoppe
-
Patent number: 8936853Abstract: The invention relates to plastisols which even without the addition of adhesion promoters exhibit high adhesion to metallic and cathodically deposition-coated substrates.Type: GrantFiled: August 12, 2008Date of Patent: January 20, 2015Assignee: Kaneka Belgium N.V.Inventors: Jan Hendrik Schattka, Gerd Loehden, Marita Kaufmann, Winfried Belzner, Michael Wolff, Rainer Lomoelder, Dirk Hoppe, Christoph Nacke
-
Patent number: 8569440Abstract: The invention relates to high-reactivity polyurethane compositions containing uretdione groups and intended for use in the plastics sector.Type: GrantFiled: September 8, 2005Date of Patent: October 29, 2013Assignee: Evonik Degussa GmbHInventors: Emmanouil Spyrou, Rainer Lomölder, Dirk Hoppe, Christoph Nacke, Andre Raukamp
-
Publication number: 20130122330Abstract: The invention relates to a battery comprising an electrode separator arrangement filled with an electrolyte, characterised in that the electrode separator arrangement is at least partially covered with a casting compound (FIG. 6a). The invention also relates to a method for producing such a battery.Type: ApplicationFiled: July 12, 2011Publication date: May 16, 2013Applicant: Evonik Degussa GmbHInventors: Gerhard Hoerpel, Martin Schuster, Dirk Hoppe