Patents by Inventor Joan Qi Si
Joan Qi Si 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: 6413559Abstract: The present invention relates to a 35 kDa enzyme exhibiting aminopeptidase activity which is derived from a fungal microorganism, a DNA construct comprising a DNA sequence encoding said enzyme, a recombinant expression vector comprising said DNA construct, and a cell comprising said DNA sequence. The present invention also provides a method for producing said enzyme exhibiting aminopeptidase activity, and an enzyme preparation comprising said enzyme, a bread-improving or dough-improving composition comprising the aminopeptidase of the invention. Finally the invention relates to the use of said enzyme exhibiting aminopeptidase activity or enzyme preparations or compositions thereof.Type: GrantFiled: November 22, 2000Date of Patent: July 2, 2002Assignee: Novozymes A/SInventors: Markus Sakari Kauppinen, Joan Qi Si, Tina Spendler, Claus Dambmann, Torben Halkier, Peter Rahbek Østergaard, Shamkant Anant Patkar, Kim Hansen
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Patent number: 6296883Abstract: A dough- or bread-improving composition comprising laccase as well as the use of the composition in the preparation of dough and baked products.Type: GrantFiled: November 8, 1995Date of Patent: October 2, 2001Assignee: Novozymes A/SInventor: Joan Qi Si
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Patent number: 6228630Abstract: An enzyme preparation comprising (a) first enzyme with xylanase activity and (b) a second enzyme having cellulotytic, xylanolytic or pectinolytic activity and are supported by the specification.Type: GrantFiled: June 22, 2000Date of Patent: May 8, 2001Assignee: Novo Nordisk A/SInventors: Lene Venke Kofod, MArkus Sakari Kauppinen, Stephan Christgau, Hans Peter Heldt-Hansen, Henrik Dalbøge, Lene Nonboe Andersen, Joan Qi Si, Tina Sejersgåard Jacobsen, Niels Munk, Anette Müllertz
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Patent number: 6200792Abstract: The present invention relates to an enzyme exhibiting aminopeptidase activity, a method for producing said enzyme, an enzyme preparation containing said enzyme exhibiting aminopeptidase activity, and use of said enzyme for various industrial purposes.Type: GrantFiled: May 30, 2000Date of Patent: March 13, 2001Assignee: Novo Nordisk-A/S Novo AlleInventors: Markus Sakari Kauppinen, Joan Qi Si, Tina Spendler, Claus Dambmann, Torben Halkier, Peter Rahbek Østergaard, Shamkant Anant Patkar, Kim Hansen
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Patent number: 6197564Abstract: A DNA construct encoding an enzyme(s) exhibiting xylanase activity, which enzyme is immunologically reactive with antibody raised against a purified xylanase derived from Aspergillus aculealus, CBS 101.43, recombinant vectors and cells comprising said construct and a method for producing said enzyme using said cell comprising said construct.Type: GrantFiled: December 22, 1998Date of Patent: March 6, 2001Assignee: Novo Nordisk A/SInventors: Lene Venke Kofod, MArkus Sakari Kauppinen, Stephan Christgau, Hans Peter Heldt-Hansen, Henrik Dalbøge, Lene Nonboe Andersen, Joan Qi Si, Tina Sejersgård Jacobsen, Niels Munk, Anette Müllertz
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Patent number: 6143546Abstract: The present invention relates to an enzyme exhibiting aminopeptidase activity, a method for producing said enzyme, an enzyme preparation containing said enzyme exhibiting aminopeptidase activity, and use of said enzyme for various industrial purposes.Type: GrantFiled: June 29, 1999Date of Patent: November 7, 2000Assignee: Novo Nordisk A/SInventors: Markus Sakari Kauppinen, Joan Qi Si, Tina Spendler, Claus Dambmann, Torben Halkier, Peter Rahbek stergaard, Shamkant Anant Patkar, Kim Hansen
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Patent number: 6110508Abstract: A method of improving properties of a dough and/or a baked product made from dough by adding an enzyme preparation to the dough and/or to any ingredient and/or to any mixture of the dough ingredients, in which the enzyme preparation comprises a lipase derived from Humicola, and a second enzyme which is an amylase or a xylanase.Type: GrantFiled: January 4, 1999Date of Patent: August 29, 2000Assignee: Novo Nordisk A/SInventors: Tine Olesen, Joan Qi Si, Vahan Donelyan
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Patent number: 6080567Abstract: An enzyme exhibiting xylanase activity, which enzyme is immunologically reactive with antibody raised against a purified xylanase derived from Aspergillus aculeatus, CBS 101.43. The enzyme may be used for degrading plant cell wall components, e.g., in the preparation of feed, in baking, in the paper and pulp industry, and in connection with separation of wheat into starch and gluten.Type: GrantFiled: July 16, 1998Date of Patent: June 27, 2000Assignee: Novo Nordisk A/SInventors: Lene Venke Kofod, Markus Sakari Kauppinen, Stephan Christgau, Hans Peter Heldt-Hansen, Henrik Dalb.o slashed.ge, Lene Nonboe Andersen, Joan Qi Si, Tina Sejersg.ang.rd Jacobsen, Niels Munk, Anette Mullertz
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Patent number: 6039982Abstract: A method for preparing a dough or a baked product produced from the dough, including adding to dough or dough ingredients an L-amino acid oxidase or a benzylamine oxidase in an amount effective to improve gluten strength, stickness, or rheological properties of dough, or specific volume of the baked product. Further includes are bread- or dough-improving compositions including an L-amino acid oxidase or a benzylamine oxidase.Type: GrantFiled: April 23, 1998Date of Patent: March 21, 2000Assignee: Novo Nordisk A/SInventors: Peter Wagner, Joan Qi Si
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Patent number: 6039983Abstract: A dough- or bread-improving composition containing a pyranose oxidase as well as the use of the composition in the preparation of dough and baked products.Type: GrantFiled: April 28, 1998Date of Patent: March 21, 2000Assignee: Novo Nordisk A/SInventors: Peter Wagner, Joan Qi Si
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Patent number: 5994113Abstract: The present invention relates to a enzyme exhibiting aminopeptidase activity, a method for producting said enzyme, and enzyme preparation containing said enzyme exhibithing aminopeptidase activity, and use of said enzyme for various industrial purposes.Type: GrantFiled: September 15, 1997Date of Patent: November 30, 1999Assignee: Novo Nordisk A/SInventors: Markus Sakari Kauppinen, Joan Qi Si, Tina Spendler, Claus Dambmann, Torben Halkier, Peter Rahbek stergaard, Shamkant Anant Patkar, Kim Hansen
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Patent number: 5885819Abstract: An enzyme exhibiting xylanase activity, which enzyme is immunologically reactive with an antibody raised against a purified xylanase derived from Aspergillus aculeatus, CBS 101.43. The enzyme may be used for degrading plant cell wall components e.g. in the preparation of feed, in baking, in the paper and pulp industry and in connection with separation of wheat into starch and gluten.Type: GrantFiled: July 30, 1997Date of Patent: March 23, 1999Assignee: Novo Nordisk A/SInventors: Lene Venke Kofod, Markus Sakari Kauppinen, Stephan Christgau, Hans Peter Heldt-Hansen, Henrik Dalb.o slashed.ge, Lene Nonboe Andersen, Joan Qi Si, Tina Sejersg.ang.rd Jacobsen, Niels Munk, Anette Mullertz
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Patent number: 5834280Abstract: The invention is directed to alkaline glucose oxidases comprising novel peptide sequences obtained from a strain of Cladosporium, particulary Cladosporium oxysporum, strain CBS 163.94. Furthermore, the invention relates to methods for producing and using said glucose oxidases.Type: GrantFiled: November 7, 1996Date of Patent: November 10, 1998Assignee: Novo Nordisk A/SInventors: Karen M. Oxenb.o slashed.ll, Joan Qi Si, Jesper Aagaard
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Patent number: 5741688Abstract: A glucose oxidase obtained from a Cladosporium oxysporum strain, designated as CBS 163.94, characterized by a pH-optimum in he range pH 6-7, having more than 75% of maximum activity at pH 8, determined at 30.degree. C. with D-glucose as substrate.Type: GrantFiled: May 25, 1995Date of Patent: April 21, 1998Assignee: Novo Nordisk A/SInventors: Karen M. Oxenb.o slashed.ll, Joan Qi Si, Jesper Aagaard
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Patent number: 5693518Abstract: An enzyme exhibiting xylanase activity, which enzyme is immunologically reactive with an antibody raised against a purified xylanase derived from Aspercgillus aculeatus, CBS 101.43. The enzyme may be used for degrading plant cell wall components, e.g., in the preparation of feed, in baking, in the paper and pulp industry and in connection with separation of wheat into starch and gluten.Type: GrantFiled: February 15, 1996Date of Patent: December 2, 1997Assignee: Novo Nordisk A/SInventors: Lene Venke Kofod, Markus Sakari Kauppinen, Stephan Christgau, Hans Peter Heldt-Hansen, Henrik Dalb.o slashed.ge, Lene Nonboe Andersen, Joan Qi Si, Tina Sejersg.ang.rd Jacobsen, Niels Munk, Anette Mullertz