Patents by Inventor Wibke LOELSBERG
Wibke LOELSBERG 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: 10759893Abstract: The present invention is directed to a process for preparing a porous material, at least compris-ing the steps of providing a mixture (I) comprising a composition (A) at least comprising at least one polyfunctional isocyanate as component (ai) and at least one mineral acid (aa), and a sol-vent (B), reacting the components in the composition (A) obtaining an organic gel, and drying of the gel obtained. The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as thermal insulation material and as catalysts.Type: GrantFiled: October 11, 2016Date of Patent: September 1, 2020Assignees: BASF SE, THE CURATORS OF THE UNIVERSITY OF MISSOURIInventors: Wibke Loelsberg, Marc Fricke, Dirk Weinrich, Nicholas Leventis, Chariklia Sotiriou-Leventis, Adnan M. Saeed
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Patent number: 10717841Abstract: The present invention relates to a process for preparing a porous material, at least comprising the steps of providing a mixture (I) comprising a composition (A) comprising at least one monool (am) and a composition (A*) comprising components suitable to form an organic gel and a solvent (B), reacting the components in the composition (A) in the presence of the solvent (B) to form a gel, and drying of the gel obtained in step b). The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as thermal insulation material and in vacuum insulation panels, in particular in interior or exterior thermal insulation systems.Type: GrantFiled: March 24, 2015Date of Patent: July 21, 2020Assignee: BASF SEInventors: Marc Fricke, Dirk Weinrich, Wibke Loelsberg
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Publication number: 20200071484Abstract: The present invention is directed to a process for preparing a porous material, at least comprising the steps of providing a gel comprising a solvent (S), wherein the solvent (S) has a volume (V1), pressurizing the gel with carbon dioxide at a temperature and a pressure at which carbon dioxide solubilizes in the solvent (S) forming gas-expanded liquid (EL), wherein the gas-expanded liquid (EL) has a volume (V2) and (V2) is greater than (V1); removing supernatant liquid, and drying the gel. The present invention further is directed to the porous material obtained or obtainable according to the process as such as the use of the porous material according to the invention in particular for medical, biomedical and pharmaceutical applications or for thermal insulation.Type: ApplicationFiled: April 13, 2018Publication date: March 5, 2020Applicant: BASF SEInventors: Dirk WEINRICH, Wibke LOELSBERG, Marc FRICKE, Gimmy Alex FERNANDEZ RAMIREZ, Volker VOGELSANG, Alberto Bueno MORALES, Raman SUBRAHMANYAM, Pavel GURIKOV, IIka SELMER, Irina SMIRNOVA
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Patent number: 10544049Abstract: The present invention is directed to a process for preparing an inorganic aerogel, the process comprising the steps of providing a composition (I) suitable to form an inorganic gel with a gelation time tG, spraying the composition (I) into supercritical carbon dioxide at a spraying time tS to obtain gel particles, and drying the gel particles obtained in step (ii) by supercritical liquid extraction, wherein the ratio tS:tG is in the range of from 0.2 to 0.99. The present invention further is directed to the inorganic aerogel as such as well as the use of the inorganic aerogel according to the invention in particular for medical and pharmaceutical applications or for thermal insulation.Type: GrantFiled: November 16, 2015Date of Patent: January 28, 2020Assignee: BASF SEInventors: Wibke Loelsberg, Marc Fricke, Mark Elbing, Dirk Weinrich
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Publication number: 20190374921Abstract: The current disclosure provides reinforced aerogel compositions that are durable and easy to handle, have favorable performance in aqueous environments, have favorable insulation properties, and have favorable, reaction to fire, combustion and flame-resistance properties. Also provided are methods of preparing or manufacturing such reinforced aerogel compositions. In certain embodiments, the composition has a silica-based aerogel framework, reinforced with an open-cell macroporous framework, and includes one or more fire-class additives, where the silica-based aerogel framework comprises at least one hydrophobic-bound silicon and the composition or each of its components has desired properties.Type: ApplicationFiled: May 29, 2019Publication date: December 12, 2019Inventors: David J. Mihalcik, Kathryn Elizabeth deKrafft, Nicholas Anthony Zafiropoulos, Owen Richard Evans, George L. Gould, Wibke Lölsberg
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Publication number: 20190023865Abstract: The present invention relates to a process for preparing a porous material, at least comprising the steps of providing a mixture (I) comprising a composition (A) comprising components suitable to form an organic gel and a solvent (B), reacting the components in the composition (A) in the presence of the solvent (B) to form a gel, and drying of the gel obtained in step b), wherein the composition (A) comprises at least one compound (af) comprising phosphorous and at least one functional group which is reactive towards isocyanates. The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as thermal insulation material and in vacuum insulation panels, in particular in interior or exterior thermal insulation systems as well as in water tank or ice maker insulation systems.Type: ApplicationFiled: January 18, 2017Publication date: January 24, 2019Applicant: BASF SEInventors: Marc FRICKE, Dirk WEINRICH, Wibke LOELSBERG, Marcel NOBIS
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Publication number: 20190023864Abstract: The present invention relates to a process for preparing a porous material, at least comprising the steps of providing a mixture (I) comprising a composition (A) comprising components suitable to form an organic gel and a solvent (B), reacting the components in the composition (A) in the presence of the solvent (B) to form a gel, and drying of the gel obtained in step b). According to the present invention, the composition (A) comprises a catalyst system (CS) comprising a component (C1) selected from the group consisting of alkali metal and earth alkali metal salts of a saturated or unsaturated carboxylic acid and a component (C2) selected from the group consisting of ammonium salts of a saturated or unsaturated carboxylic acid and no carboxylic acid is used as a component of the catalyst system.Type: ApplicationFiled: January 18, 2017Publication date: January 24, 2019Applicant: BASF SEInventors: Wibke LOELSBERG, Marc FRICKE, Dirk WEINRICH
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Publication number: 20180305491Abstract: The present invention is directed to a process for preparing a porous material, at least compris-ing the steps of providing a mixture (I) comprising a composition (A) at least comprising at least one polyfunctional isocyanate as component (ai) and at least one mineral acid (aa), and a sol-vent (B), reacting the components in the composition (A) obtaining an organic gel, and drying of the gel obtained. The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as thermal insulation material and as catalysts.Type: ApplicationFiled: October 11, 2016Publication date: October 25, 2018Applicants: BASF SE, THE CURATORS OF THE UNIVERSITY OF MISSOURIInventors: Wibke LOELSBERG, Marc FRICKE, Dirk WEINRICH, Nicholas LEVENTIS, Chariklia SOTIRIOU-LEVENTIS, Adnan M SAEED
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Publication number: 20180258249Abstract: The present invention relates to a process for preparing a porous material, at least comprising the steps of providing a mixture (I) comprising a water soluble polysaccharide, at least one compound suitable to react as cross-linker for the polysaccharide or to release a cross-linker for the polysaccharide, and water, and preparing a gel (A) comprising exposing mixture (I) to carbon dioxide at a pressure in the range of from 20 to 100 bar for a time sufficient to form a gel (A), and depressurizing the gel (A). Gel (A) subsequently is exposed to a water miscible solvent (L) to obtain a gel (B), which is dried. The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as thermal insulation material, for cosmetic applications, for biomedical applications or for pharmaceutical applications.Type: ApplicationFiled: May 14, 2018Publication date: September 13, 2018Applicant: BASF SEInventors: Marc FRICKE, Dirk WEINRICH, Wibke LOELSBERG, Raman SUBRAHMANYAM, Irina SMIRNOVA, Pavel GURIKOV
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Publication number: 20180244888Abstract: The present invention relates to a process for preparing a porous material, at least comprising the steps of providing a mixture (I) comprising a composition (A) at least comprising an isocyanate composition (A*) comprising a polymeric polyfunctional isocyanate as component (ai), a monomeric polyfunctional isocyanate as component (aii), at least one catalyst as component (ac), wherein composition (A) is substantially free of aromatic amines, and a solvent (B), reacting the components in the composition (A) obtaining an organic gel, and drying of the gel obtained in step b). The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as thermal insulation material and in vacuum insulation panels.Type: ApplicationFiled: September 19, 2016Publication date: August 30, 2018Applicant: BASF SEInventors: Wibke LOELSBERG, Marc FRICKE, Dirk WEINRICH
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Patent number: 10017621Abstract: The present invention relates to a process for preparing a porous material, at least comprising the steps of providing a mixture (I) comprising a water soluble polysaccharide, at least one compound suitable to react as cross-linker for the polysaccharide or to release a cross-linker for the polysaccharide, and water, and preparing a gel (A) comprising exposing mixture (I) to carbon dioxide at a pressure in the range of from 20 to 100 bar for a time sufficient to form a gel (A), and depressurizing the gel (A). Gel (A) subsequently is exposed to a water miscible solvent (L) to obtain a gel (B), which is dried. The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as thermal insulation material, for cosmetic applications, for biomedical applications or for pharmaceutical applications.Type: GrantFiled: May 18, 2015Date of Patent: July 10, 2018Assignee: BASF SEInventors: Marc Fricke, Dirk Weinrich, Wibke Loelsberg, Raman Subrahmanyam, Irina Smirnova, Pavel Gurikov
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Publication number: 20180171092Abstract: The present invention relates to a process for preparing a porous material, at least comprising the steps of providing a mixture (I) comprising a composition (A) comprising at least one monool (am) and a composition (A*) comprising components suitable to form an organic gel and a solvent (B), reacting the components in the composition (A) in the presence of the solvent (B) to form a gel, and drying of the gel obtained in step b). The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as thermal insulation material and in vacuum insulation panels, in particular in interior or exterior thermal insulation systems.Type: ApplicationFiled: March 24, 2015Publication date: June 21, 2018Applicant: BASF SEInventors: Marc FRICKE, Dirk Weinrich, Wibke Loelsberg
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Publication number: 20180057654Abstract: The present invention relates to a process for preparing a porous material, at least providing a mixture (I) comprising a composition (A) comprising components suitable to form an organic gel and a solvent (B), reacting the components in the composition (A) in the presence of the solvent (B) to form a gel, and drying of the gel obtained in step b), wherein the composition (A) comprises a catalyst system (CS) comprising a catalyst component (C1) selected from the group consisting of alkali metal and earth alkali metal, ammonium, ionic liquid salts of a saturated or unsaturated monocarboxylic acid and a carboxylic acid as catalyst component (C2). The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as thermal insulation material and in vacuum insulation panels, in particular in interior or exterior thermal insulation systems as well as in water tank or ice maker insulation systems.Type: ApplicationFiled: March 7, 2016Publication date: March 1, 2018Applicant: BASF SEInventors: Marc FRICKE, Dirk WEINRICH, Wibke LOELSBERG
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Publication number: 20170341945Abstract: The present invention is directed to a process for preparing an inorganic aerogel, the process comprising the steps of providing a composition (I) suitable to form an inorganic gel with a gelation time tG, spraying the composition (I) into supercritical carbon dioxide at a spraying time tS to obtain gel particles, and drying the gel particles obtained in step (ii) by supercritical liquid extraction, wherein the ratio tS:tG is in the range of from 0.2 to 0.99. The present invention further is directed to the inorganic aerogel as such as well as the use of the inorganic aerogel according to the invention in particular for medical and pharmaceutical applications or for thermal insulation.Type: ApplicationFiled: November 16, 2015Publication date: November 30, 2017Applicant: BASF SEInventors: Wibke LOELSBERG, Marc FRICKE, Mark ELBING, Dirk WEINRICH
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Publication number: 20170204243Abstract: The present invention relates to a process for preparing a porous material, at least comprising the steps of providing a mixture (I) comprising a composition (A) comprising components suitable to form an organic gel and a solvent (B), reacting the components in the composition (A) in the presence of the solvent (B) to form a gel, and drying of the gel obtained in step b), wherein the composition (A) comprises at least one monool (am). The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as thermal insulation material and in vacuum insulation panels, in particular in interior or exterior thermal insulation systems.Type: ApplicationFiled: March 24, 2015Publication date: July 20, 2017Inventors: Wibke LOELSBERG, Marc Fricke, Dirk Weinrich
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Publication number: 20170081494Abstract: The present invention relates to a process for preparing a porous material, at least comprising the steps of providing a mixture (I) comprising a water soluble polysaccharide, at least one compound suitable to react as cross-linker for the polysaccharide or to release a cross-linker for the polysaccharide, and water, and preparing a gel (A) comprising exposing mixture (I) to carbon dioxide at a pressure in the range of from 20 to 100 bar for a time sufficient to form a gel (A), and depressurizing the gel (A). Gel (A) subsequently is exposed to a water miscible solvent (L) to obtain a gel (B), which is dried. The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as thermal insulation material, for cosmetic applications, for biomedical applications or for pharmaceutical applications.Type: ApplicationFiled: May 18, 2015Publication date: March 23, 2017Applicant: BASF SEInventors: Marc FRICKE, Dirk WEINRICH, Wibke LOELSBERG, Raman SUBRAHMANYAM, Irina SMIRNOVA, Pavel GURIKOV