Patents by Inventor Konrad HINDELANG
Konrad HINDELANG 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: 11535727Abstract: The invention relates to a method for producing hydrophilic silicia moulded bodies, in which i) a mixture containing hydrophilic silicic acid is added at a maximum temperature of 55° C. to hydrophobic means and ii) the mixture obtained in step i) is compacted after a maximum storage time of 30 days to form moulded bodies, iii) during steps ii and iii and until the moulded bodies are used, the temperature is at a maximum of 55° C.Type: GrantFiled: February 27, 2017Date of Patent: December 27, 2022Assignee: WACKER CHEMIE AGInventors: Konrad Hindelang, Dominik Jantke, Richard Weidner
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Patent number: 11377564Abstract: Granular and/or shaped hydrophobic silica useful for thermal insulation materials are prepared by mixing hydrophilic silica with a hydrophobicizing agent at low temperature so the hydrophobicizing agent does not appreciably react, followed by deaeration and compaction.Type: GrantFiled: February 27, 2017Date of Patent: July 5, 2022Assignee: WACKER CHEMIE AGInventors: Konrad Hindelang, Dominik Jantke, Richard Weidner
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Patent number: 10843965Abstract: Hydrophobic shaped silica bodies having low density and low thermal conductivity are produced by forming a dispersion of silica in a solution of binder and organic solvent, and removing the solvent and shaping to form a shaped body. The shaped bodies retain their hydrophobicity, are stable with regards to shape, and are useful in acoustic and thermal insulation.Type: GrantFiled: August 9, 2016Date of Patent: November 24, 2020Assignee: WACKER CHEMIE AGInventors: Dominik Jantke, Richard Weidner, Konrad Hindelang
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Publication number: 20200308051Abstract: Hydrophobic shaped silica bodies having low density and low thermal conductivity are produced by forming a dispersion of silica in a solution of binder and organic solvent, and removing the solvent and shaping to form a shaped body. The shaped bodies retain their hydrophobicity, are stable with regards to shape, and are useful in acoustic and thermal insulation.Type: ApplicationFiled: August 9, 2016Publication date: October 1, 2020Applicant: Wacker Chemie AGInventors: Dominik JANTKE, Richard WEIDNER, Konrad HINDELANG
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Patent number: 10766779Abstract: It is an object of the invention to provide a rapid and economically viable process which is notable for efficient use of material, especially of the silylating agent, and by means of which organically modified lyo- or aerogels are obtained in a rapid and simple manner. This object is achieved by virtue of the invention providing a process for producing organically modified gels selected from lyo- and aerosols by (i) emulsifying a basic polar phase comprising water and starting materials for silicatic gels in a nonpolar phase containing a water-immiscible precursor for an active silylating agent, (ii) starting formation of gel and ageing by lowering the pH, and then (iii) starting the silylation and the exchange of solvent by lowering the pH. If the gels are aerogels, the gels provided can be used for thermal and/or acoustic insulation.Type: GrantFiled: June 20, 2016Date of Patent: September 8, 2020Assignee: Wacker Chemie AGInventors: Dominik Jantke, Konrad Hindelang, Richard Weidner
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Patent number: 10759666Abstract: The problem addressed by the invention is that of producing aerogels which have as high and permanent a hydrophobicity as possible and which have a reduced combustibility, that is as low a carbon content as possible, and are simultaneously less rigid and brittle than known systems, i.e. which with reduced combustibility have a high flexibility and high stability at the same time, that is high mechanical load-bearing capacity. Said problem is solved in that the invention provides gels chosen from lyogel or aerogel, which are synthesised from oxide units and [RxSiO(4-x)/2] units, wherein the primary particles have a change of concentration in [RxSiO(4-x)/2] units from the inside to the outside, wherein x can be the same or different and is 1 or 2, and R can be the same or different and is hydrogen or an organic substituted or unsubstituted radical, and wherein the oxide units contain [SiO4/2] units, and a method for producing same.Type: GrantFiled: April 21, 2016Date of Patent: September 1, 2020Assignee: Wacker Chemie AGInventors: Konrad Hindelang, Dominik Jantke, Richard Weidner
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Publication number: 20200172706Abstract: The invention relates to a method for producing hydrophilic silicia moulded bodies, in which i) a mixture containing hydrophilic silicic acid is added at a maximum temperature of 55° C. to hydrophobic means and ii) the mixture obtained in step i) is compacted after a maximum storage time of 30 days to form moulded bodies, iii) during steps ii and iii and until the moulded bodies are used, the temperature is at a maximum of 55° C.Type: ApplicationFiled: February 27, 2017Publication date: June 4, 2020Inventors: Konrad Hindelang, Dominik Jantke, Richard Weidner
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Patent number: 10618815Abstract: It is an object of the invention to provide an economically viable process for the production of hydrophobized aerogels which works both inexpensively and in a resource-conserving manner. 2.2. This object is achieved by the provision of a process for producing organically modified aerogels by producing a sol containing [SiO4/2] units and [RxSiO(4?X)/2] a units, where x may be the same or different and is 1, 2 or 3, and R may be the same or different and is hydrogen or an organic substituted or unsubstituted radical, using the sol to form a gel, surface-modifying the gel obtained in the presence of more than 0.1% by weight of a phase modifier in a mixture comprising organosiloxane and initiator, wherein the mixture contains at least 20% by weight of organosiloxane and wherein the initiator consists of acid or organosiloxane or mixtures thereof and the gels obtained are dried. 2.3. The aerogels provided can be used as insulating materials, especially in thermal insulation.Type: GrantFiled: April 21, 2016Date of Patent: April 14, 2020Assignee: Wacker Chemie AGInventors: Konrad Hindelang, Torsten Gottschalk-Gaudig, Dominik Jantke, Richard Weidner
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Publication number: 20190375942Abstract: Granular and/or shaped hydrophobic silica useful for thermal insulation materials are prepared by mixing hydrophilic silica with a hydrophobicizing agent at low temperature so the hydrophobicizing agent does not appreciably react, followed by deaeration and compaction.Type: ApplicationFiled: February 27, 2017Publication date: December 12, 2019Applicant: WACKER CHEMIE AG.Inventors: Konrad HINDELANG, Dominik JANTKE, Richard WEIDNER
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Publication number: 20190016634Abstract: Hydrophobic shaped silica bodies having low density and low thermal conductivity are produced by forming a dispersion of silica in a solution of binder and organic solvent, and removing the solvent and shaping to form a shaped body. The shaped bodies retain their hydrophobicity, are stable with regards to shape, and are useful in acoustic and thermal insulation.Type: ApplicationFiled: August 9, 2016Publication date: January 17, 2019Applicant: Wacker Chemie AGInventors: Dominik JANTKE, Richard WEIDNER, Konrad HINDELANG
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Publication number: 20180141821Abstract: The problem addressed by the invention is that of producing aerogels which have as high and permanent a hydrophobicity as possible and which have a reduced combustibility, that is as low a carbon content as possible, and are simultaneously less rigid and brittle than known systems, i.e. which with reduced combustibility have a high flexibility and high stability at the same time, that is high mechanical load-bearing capacity. Said problem is solved in that the invention provides gels chosen from lyogel or aerogel, which are synthesised from oxide units and [RxSiO(4-x)/2] units, wherein the primary particles have a change of concentration in [RxSiO(4-x)/2] units from the inside to the outside, wherein x can be the same or different and is 1 or 2, and R can be the same or different and is hydrogen or an organic substituted or unsubstituted radical, and wherein the oxide units contain [SiO4/2] units, and a method for producing same.Type: ApplicationFiled: April 21, 2016Publication date: May 24, 2018Applicant: Wacker Chemie AGInventors: Konrad HINDELANG, Dominik JANTKE, Richard WEIDNER
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Publication number: 20180134565Abstract: It is an object of the invention to provide an economically viable process for the production of hydrophobized aerogels which works both inexpensively and in a resource-conserving manner. 2.2. This object is achieved by the provision of a process for producing organically modified aerogels by producing a sol containing [SiO4/2] units and [RxSiO(4?X)/2] a units, where x may be the same or different and is 1, 2 or 3, and R may be the same or different and is hydrogen or an organic substituted or unsubstituted radical, using the sol to form a gel, surface-modifying the gel obtained in the presence of more than 0.1% by weight of a phase modifier in a mixture comprising organosiloxane and initiator, wherein the mixture contains at least 20% by weight of organosiloxane and wherein the initiator consists of acid or organosiloxane or mixtures thereof and the gels obtained are dried. 2.3. The aerogels provided can be used as insulating materials, especially in thermal insulation.Type: ApplicationFiled: April 21, 2016Publication date: May 17, 2018Applicant: Wacker Chemie AGInventors: Konrad HINDELANG, Torsten GOTTSCHALK-GAUDIG, Dominik JANTKE, Richard WEIDNER
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Publication number: 20180105429Abstract: It is an object of the invention to provide a rapid and economically viable process which is notable for efficient use of material, especially of the silylating agent, and by means of which organically modified lyo- or aerogels are obtained in a rapid and simple manner. This object is achieved by virtue of the invention providing a process for producing organically modified gels selected from lyo- and aerosols by (i) emulsifying a basic polar phase comprising water and starting materials for silicatic gels in a nonpolar phase containing a water-immiscible precursor for an active silylating agent, (ii) starting formation of gel and ageing by lowering the pH, and then (iii) starting the silylation and the exchange of solvent by lowering the pH. If the gels are aerogels, the gels provided can be used for thermal and/or acoustic insulation.Type: ApplicationFiled: June 20, 2016Publication date: April 19, 2018Inventors: Dominik JANTKE, Konrad HINDELANG, Richard WEIDNER
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Publication number: 20180044188Abstract: The invention relates to a method for producing organically modified aerogels. The problem addressed by the invention is that of providing an economical method for producing hydrophobic aerogels which can be implemented cost-effectively, simply, and safely, and which operates to save on resources. This problem is solved by the provision of a method for producing organically modified aerogels, wherein a sol containing [SiO4,2] units is produced, and the sol obtained is dispersed in a continuous phase. The sol forms a separate phase and the continuous phase contains at least 20 wt % organosiloxane, a gel is formed from the sol in the continuous phase, and the gel obtained is surface-modified in the presence of a phase mediator in the continuous phase, wherein acids or chlorosilanes or mixtures thereof are added as initiator and the gels obtained are dried. The aerogels provided can be used as insulating materials, in particular in thermal insulation.Type: ApplicationFiled: April 21, 2016Publication date: February 15, 2018Inventors: Konrad HINDELANG, Dominik JANTKE, Richard WEIDNER