Patents by Inventor Urs Hirt
Urs Hirt 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: 8227541Abstract: An additive mixture containing the components (A), (B) and optionally (C), wherein component (A) is at least one compound of the formula (I) wherein p is zero or 1; m and n are independently of one another an integer from zero to 3; and the radicals R are independently of one another C1-C8alkyl, C1-C8alkoxy, hydroxy, halogen, C1-C8alkylthio, C1-C8alkylsulfoxy or 2 radicals R form together with 2 adjacent carbon atoms of the unsaturated parent ring a 5- to 7-membered carbocyclic or heterocyclic ring; component (B) is at least one compound of the formula (II) wherein x and y are independently of one another an integer from 2 to 10; the radicals A1, A2 and A3 are independently of one another C1-C10alkyl, C5-C12cycloalkyl unsubstituted or substituted by 1 to 3 C1-C10alkyl; phenyl unsubstituted or substituted by 1 to 3 C1-C10alkyl; or C7-C12phenylalkyl, and the radicals A2 and A3 are additionally hydrogen; with the proviso that at least one of the radicals A1 and A2 is branched C3-C10alkyl, C5-C12cycloalType: GrantFiled: December 18, 2008Date of Patent: July 24, 2012Assignee: BASF SEInventors: Klaus Stoll, Urs Hirt, Judy Van De Langkruis
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Publication number: 20090111719Abstract: An additive mixture containing the components (A), (B) and optionally (C), wherein component (A) is at least one compound of the formula (I) wherein p is zero or 1; m and n are independently of one another an integer from zero to 3; and the radicals R are independently of one another C1-C8alkyl, C1-C8alkoxy, hydroxy, halogen, C1-C8alkylthio, C1-C8alkylsulfoxy or 2 radicals R form together with 2 adjacent carbon atoms of the unsaturated parent ring a 5- to 7-membered carbocyclic or heterocyclic ring; component (B) is at least one compound of the formula (II) wherein x and y are independently of one another an integer from 2 to 10; the radicals A1, A2 and A3 are independently of one another C1-C10alkyl, C5-C12cycloalkyl unsubstituted or substituted by 1 to 3 C1-C10alkyl; phenyl unsubstituted or substituted by 1 to 3 C1-C10alkyl; or C7-C12-phenylalkyl, and the radicals A2 and A3 are additionally hydrogen; with the proviso that at least one of the radicals A1 and A2 is branched C3-C10alkyl, C5-C12cycloaType: ApplicationFiled: December 18, 2008Publication date: April 30, 2009Inventors: Klaus Stoll, Urs Hirt, Judy Van De Langkruis
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Publication number: 20070032581Abstract: An additive mixture containing the components (A), (B) and optionally (C), wherein component (A) is at least one compound of the formula (I) wherein p is zero or 1; m and n are independently of one another an integer from zero to 3; and the radicals R are independently of one another C1-C8alkyl, C1-C8alkoxy, hydroxy, halogen, C1-C8alkylthio, C1-C8alkylsulfoxy or 2 radicals R form together with 2 adjacent carbon atoms of the unsaturated parent ring a 5- to 7-membered carbocyclic or heterocyclic ring; component (B) is at least one compound of the formula (II) wherein x and y are independently of one; another an integer from 2 to 10; the radicals A1, A2 and A3 are independently of one another C1-C10alkyl, C5-C12cycloalkyl unsubstituted or substituted by 1 to 3 C1-C10alkyl; phenyl unsubstituted or substituted by 1 to 3 C1-C10alkyl; or C7-C12phenylalkyl, and the radicals A2 and A3 are additionally hydrogen; with the proviso that at least one of the radicals A1 and A2 is branched C3-C10alkyl, C5-C12cycloalkyl unsubType: ApplicationFiled: September 22, 2004Publication date: February 8, 2007Inventors: Klaus Stoll, Urs Hirt, Judy Van De Langkruis
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Publication number: 20060141187Abstract: A mixture of a polyester, such as poly(ethylene terephthalate) PET, or a polyamide, and a suitable stabilizer selected from the group consisting of hydroxylamine stabilizers, substituted hydroxylamine stabilizers, nitrone stabilizers and amine oxide stabilizers, when extrusion compounded exhibits a lower residual acetaldehyde content than does polyester or polyamide alone when similarly treated. The invention pertains to any polyester or polyamide used in the manufacture of molded articles, fibers or films, for instance bottles or containers which are used to store consumer materials, for example food, beverages and water.Type: ApplicationFiled: January 5, 2006Publication date: June 29, 2006Inventors: Paul Odorisio, Stephen Andrews, Dario Lazzari, Dirk Simon, Roswell King, Melissa Stamp, Roger Reinicker, Michael Tinkl, Natacha Berthelon, Daniel Muller, Urs Hirt
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Patent number: 7022390Abstract: A mixture of a polyester, such as poly(ethylene terephthalate) PET, or a polyamide, and a suitable stabilizer selected from the group consisting of hydroxylamine stabilizers, substituted hydroxylamine stabilizers, nitrone stabilizers and amine oxide stabilizers, when extrusion compounded exhibits a lower residual acetaldehyde content than does polyester or polyamide alone when similarly treated. The invention pertains to any polyester or polyamide used in the manufacture of molded articles, fibers or films, for instance bottles or containers which are used to store consumer materials, for example food, beverages and water.Type: GrantFiled: December 2, 2004Date of Patent: April 4, 2006Assignee: Ciba Specialty Chemicals CorporationInventors: Paul A. Odorisio, Stephen M Andrews, Dario Lazzari, Dirk Simon, Roswell E. King, III, Melissa Stamp, Roger Reinicker, Michael Tinkl, Natacha Berthelon, Daniel Müller, Urs Hirt
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Patent number: 6908650Abstract: A mixture of a polyester, such as poly(ethylene terephthalate) PET, or a polyamide, and a suitable stabilizer selected from the group consisting of hydroxylamine stabilizers, substituted hydroxylamine stabilizers, nitrone stabilizers and amine oxide stabilizers, when extrusion compounded exhibits a lower residual acetaldehyde content than does polyester or polyamide alone when similarly treated. The invention pertains to any polyester or polyamide used in the manufacture of molded articles, fibers or films, for instance bottles or containers which are used to store consumer materials, for example food, beverages and water.Type: GrantFiled: July 24, 2002Date of Patent: June 21, 2005Assignee: Ciba Specialty Chemicals CorporationInventors: Paul A. Odorisio, Stephen M Andrews, Dario Lazzari, Dirk Simon, Roswell E. King, III, Melissa Stamp, Roger Reinicker, Michael Tinkl, Natacha Berthelon, Daniel Müller, Urs Hirt
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Publication number: 20050101759Abstract: A mixture of a polyester, such as poly(ethylene terephthalate) PET, or a polyamide, and a suitable stabilizer selected from the group consisting of hydroxylamine stabilizers, substituted hydroxylamine stabilizers, nitrone stabilizers and amine oxide stabilizers, when extrusion compounded exhibits a lower residual acetaldehyde content than does polyester or polyamide alone when similarly treated. The invention pertains to any polyester or polyamide used in the manufacture of molded articles, fibers or films, for instance bottles or containers which are used to store consumer materials, for example food, beverages and water.Type: ApplicationFiled: December 2, 2004Publication date: May 12, 2005Inventors: Paul Odorisio, Stephen Andrews, Dario Lazzari, Dirk Simon, Roswell King, Melissa Stamp, Roger Reinicker, Michael Tinkl, Natacha Berthelon, Daniel Muller, Urs Hirt
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Publication number: 20030139497Abstract: A mixture of a polyester, such as poly(ethylene terephthalate) PET, or a polyamide, and a suitable stabilizer selected from the group consisting of hydroxylamine stabilizers, substituted hydroxylamine stabilizers, nitrone stabilizers and amine oxide stabilizers, when extrusion compounded exhibits a lower residual acetaldehyde content than does polyester or polyamide alone when similarly treated. The invention pertains to any polyester or polyamide used in the manufacture of molded articles, fibers or films, for instance bottles or containers which are used to store consumer materials, for example food, beverages and water.Type: ApplicationFiled: July 24, 2002Publication date: July 24, 2003Inventors: Paul A. Odorisio, Stephen M. Andrews, Dario Lazzari, Dirk Simon, Roswell E. King, Melissa Stamp, Roger Reinicker, Michael Tinkl, Natacha Berthelon, Daniel Muller, Urs Hirt
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Publication number: 20020198297Abstract: A mixture of a polyester, such as poly(ethylene terephthalate) PET, or a polyamide, and a suitable stabilizer selected from the group consisting of hydroxylamine stabilizers, substituted hydroxylamine stabilizers, nitrone stabilizers and amine oxide stabilizers, when extrusion compounded exhibits a lower residual acetaldehyde content than does polyester or polyamide alone when similarly treated. The invention pertains to any polyester or polyamide used in the manufacture of molded articles, fibers or films, for instance bottles or containers which are used to store consumer materials, for example food, beverages and water.Type: ApplicationFiled: December 21, 2001Publication date: December 26, 2002Inventors: Paul A. Odorisio, Stephen M. Andrews, Dario Lazarri, Dirk Simon, Rosewell E. King, Melissa Stamp, Roger Reinicker, Michael Tinkl, Natacha Berthelon, Daniel Muller, Urs Hirt