Patents by Inventor Kathleen Clarkson

Kathleen Clarkson 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).

  • Publication number: 20170183691
    Abstract: A conversion process provides using different co-cultured cell lines to express different sets of enzymes catalyzing the same process. For example, in a Simultaneous Saccharification and Co-Fermentation (SSCF) process, a starch substrate is converted to alcohol by contacting the substrate with yeast and Aspergillus niger cells. Because A. niger expresses an endogenous glucoamylase and alpha-amylase, these enzymes do not need to be added during the SSCF process.
    Type: Application
    Filed: April 6, 2015
    Publication date: June 29, 2017
    Applicant: Danisco US Inc.
    Inventors: Kathleen A. Clarkson, Matthew T. Reboli, Jacquelyn A. Huitink, Paula Johanna Maria Teunissen, Gopal K. Chotani, Jayarama K. Shetty
  • Patent number: 9365871
    Abstract: A fungal ?-amylase is provided from Aspergillus clavatus (AcAmy1). AcAmy1 has an optimal pH of 4.5 and is operable at 30-75° C., allowing the enzyme to be used in combination with a glucoamylase in a saccharification reaction. This obviates the necessity of running a saccharification reaction as a batch process, where the pH and temperature must be readjusted for optimal use of the ?-amylase or glucoamylase. AcAmy1 also catalyzes the saccharification of starch substrates to an oligosaccharide composition significantly enriched in DP2 and (DP1+DP2) compared to the products of saccharification catalyzed by an ?-amylase from Aspergillus kawachii. This facilitates the utilization of the oligosaccharide composition by a fermenting organism in a simultaneous saccharification and fermentation process, for example.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: June 14, 2016
    Assignee: Danisco US Inc.
    Inventors: Jing Ge, Ling Hua, Martijn Silvan Scheffers, Zhongmei Tang, Marco Van Brussel-Zwijnen, Casper Vroemen, Bo Zhang, Kathleen A. Clarkson, Jacquelyn A. Huitink, Paula Johanna Maria Teunissen
  • Publication number: 20150152442
    Abstract: A fungal ?-amylase is provided from Aspergillus clavatus (AcAmy1). AcAmy1 has an optimal pH of 4.5 and is operable at 30-75° C., allowing the enzyme to be used in combination with a glucoamylase in a saccharification reaction. This obviates the necessity of running a saccharification reaction as a batch process, where the pH and temperature must be readjusted for optimal use of the ?-amylase or glucoamylase. AcAmy1 also catalyzes the saccharification of starch substrates to an oligosaccharide composition significantly enriched in DP2 and (DP1+DP2) compared to the products of saccharification catalyzed by an ?-amylase from Aspergillus kawachii. This facilitates the utilization of the oligosaccharide composition by a fermenting organism in a simultaneous saccharification and fermentation process, for example.
    Type: Application
    Filed: December 4, 2014
    Publication date: June 4, 2015
    Inventors: Jing Ge, Ling Hua, Martijn Silvan Scheffers, Zhongmei Tang, Marco Van Brussel-Zwijnen, Casper Vroemen, Bo Zhang, Kathleen A. Clarkson, Jacquelyn A. Huitink, Paula Johanna Maria Teunissen
  • Publication number: 20150147786
    Abstract: A process for mechanical destructuring of starch-based biomass was developed that makes use of a short application of high compression, impact, and shearing forces. The biomass may be destructured using a specific energy input that is less than 40% of the total combustible energy of the biomass. The destructured starch-based biomass, with or without saccharification and/or in-feed glycosyl hydrolase enzymes, may be used in feed applications. The destructured starch-based may saccharified to produce syrups and fermentable sugars, and for production of products including ethanol using a biocatalyst.
    Type: Application
    Filed: November 18, 2014
    Publication date: May 28, 2015
    Inventors: KATHLEEN A CLARKSON, F Glenn Gallagher, Aaron Perelman, Luis Fernando Romero Millan, Vivek Sharma, Jayarama K. Shetty, Daniel A. Slanac, Paula Johanna Maria Teunissen
  • Patent number: 8945889
    Abstract: A fungal ?-amylase is provided from Aspergillus clavatus (AcAmyl). AcAmyl has an optimal pH of 4.5 and is operable at 30-75° C., allowing the enzyme to be used in combination with a glucoamylase in a saccharification reaction. This obviates the necessity of running a saccharification reaction as a batch process, where the pH and temperature must be readjusted for optimal use of the ?-amylase or glucoamylase. AcAmyl also catalyzes the saccharification of starch substrates to an oligosaccharide composition significantly enriched in DP2 and (DP1+DP2) compared to the products of saccharification catalyzed by an ?-amylase from Aspergillus kawachii. This facilitates the utilization of the oligosaccharide composition by a fermenting organism in a simultaneous saccharification and fermentation process, for example.
    Type: Grant
    Filed: May 6, 2013
    Date of Patent: February 3, 2015
    Assignee: Danisco US Inc.
    Inventors: Jing Ge, Ling Hua, Martijn Silvan Scheffers, Zhongmei Tang, Marco Van Brussel-Zwijnen, Casper Vroemen, Bo Zhang, Kathleen A. Clarkson, Jacquelyn A. Huitink, Paula Johanna Maria Teunissen
  • Publication number: 20150030679
    Abstract: A stable, durable granule for feed compositions has a core, at least one active agent; and at least one coating. The active agent of the granule retains at least 50% activity, at least 60% activity, at least 70% activity, at least 80% activity after conditions selected from one or more of a) a feed pelleting process, b) a steam-heated feed pretreatment process, c) storage, d) storage as an ingredient in an unpelleted mixture, and e) storage as an ingredient in a feed base mix or a feed premix comprising at least one compound selected from trace minerals, organic acids, reducing sugars, vitamins, choline chloride, and compounds which result in an acidic or a basic feed base mix or feed premix.
    Type: Application
    Filed: July 23, 2014
    Publication date: January 29, 2015
    Applicant: DANISCO US INC.
    Inventors: Nathaniel T. BECKER, Kathleen A. CLARKSON, Douglas A. DALE, Beth FRYKSDALE, Mark S. GEBERT, Troels N. GRAVESEN, Michael PARTSUF
  • Publication number: 20140127757
    Abstract: The present invention relates to the co-expression and production of a heterologous alpha amylase and an endogenous glucoamylase in an Aspergillus strain and enzyme compositions including the same.
    Type: Application
    Filed: October 30, 2013
    Publication date: May 8, 2014
    Applicant: Danisco US Inc.
    Inventors: Toby M. Baldwin, Kathleen A. Clarkson, Nigel Dunn-Coleman, Suzanne E. Lantz
  • Patent number: 8715647
    Abstract: The use is provided composition as a feed additive which comprises one or more endoglucanases, and 0-20% by weight, based upon the content of cellulase proteins in the composition, of a cellobiohydrolase. The endoglycanases may be one or more of EGI, EGII, EGIII and any functionally active derivative of any thereof. Such endoglucanases may be obtained from a genetically modified strain of the fungus Trichoderma. Also provided is an enzyme-based feed additive which comprises EGI and/or EGII which lack the cellulose binding domain, and 0-20% by weight, based upon the content of cellulase proteins in the additive, of a cellobiohydrolase. A further enzyme-based feed additive is provided which comprises a cereal-based carrier, one or more endoglucanases, and 0-20% by weight, based upon the content of cellulase proteins in the additive, of a cellobiohydrolase.
    Type: Grant
    Filed: August 5, 2005
    Date of Patent: May 6, 2014
    Assignee: Danisco US Inc.
    Inventors: Michael R. Bedford, Andrew J. Morgan, Timothy Fowler, Kathleen A. Clarkson, Michael Ward, Katherine D. Collier, Edmund A. Larenas
  • Publication number: 20130323798
    Abstract: A fungal ?-amylase is provided from Aspergillus clavatus (AcAmyl). AcAmyl has an optimal pH of 4.5 and is operable at 30-75° C., allowing the enzyme to be used in combination with a glucoamylase in a saccharification reaction. This obviates the necessity of running a saccharification reaction as a batch process, where the pH and temperature must be readjusted for optimal use of the ?-amylase or glucoamylase. AcAmyl also catalyzes the saccharification of starch substrates to an oligosaccharide composition significantly enriched in DP2 and (DP1+DP2) compared to the products of saccharification catalyzed by an ?-amylase from Aspergillus kawachii. This facilitates the utilization of the oligosaccharide composition by a fermenting organism in a simultaneous saccharification and fermentation process, for example.
    Type: Application
    Filed: May 6, 2013
    Publication date: December 5, 2013
    Applicant: Danisco US Inc.
    Inventors: Jing Ge, Ling Hua, Martijn Silvan Scheffers, Zhongmei Tang, Marco Van Brussel-Zwijnen, Casper Vroemen, Bo Zhang, Kathleen A. Clarkson, Jacquelyn A. Huitink, Paula Johanna Maria Teunissen
  • Publication number: 20120309664
    Abstract: The present invention generally relates to particulate compositions and methods for making the compositions. It specifically relates to improved spray drying methods that substantially reduce the production of small particles that pose industrial hygiene concerns for factory workers and product consumers. In a composition aspect, the present invention provides an atomized aqueous composition. The composition is formed using a spray-drying apparatus. It includes 0.001 to 0.10 weight percent of a polymer, which is selected from a group consisting of a cellulose-based polymer, a gum, and a synthetic polymer. It further includes at least one polypeptide, which is present in the aqueous composition at a concentration greater than 0.01 weight percent.
    Type: Application
    Filed: June 7, 2012
    Publication date: December 6, 2012
    Applicant: Danisco US Inc.
    Inventors: Herbert B. Scher, Deborah S. Winetzky, Nathaniel T. Becker, Kathleen A. Clarkson, Mark S. Gebert, Troels N. Gravesen, Michael Partsuf
  • Patent number: 8288517
    Abstract: The present invention is directed to novel acid proteases and more specifically to NSP24 family proteases and NSP25 family proteases including biologically active fragments thereof and to nucleic acid molecules encoding said proteases. Also provided are vectors and host cells including nucleic acid sequences coding for the proteases, methods for producing the proteases, enzyme compositions and methods employing said proteases.
    Type: Grant
    Filed: April 6, 2012
    Date of Patent: October 16, 2012
    Assignee: Danisco US Inc.
    Inventors: Kathleen A. Clarkson, Nigel Dunn-Coleman, Suzanne E. Lantz, Craig E. Pilgrim, Piet van Solingen, Michael Ward
  • Publication number: 20120225469
    Abstract: The present invention is directed to novel acid proteases and more specifically to NSP24 family proteases and NSP25 family proteases including biologically active fragments thereof and to nucleic acid molecules encoding said proteases. Also provided are vectors and host cells including nucleic acid sequences coding for the proteases, methods for producing the proteases, enzyme compositions and methods employing said proteases.
    Type: Application
    Filed: April 6, 2012
    Publication date: September 6, 2012
    Applicant: Danisco US Inc.
    Inventors: Kathleen A. Clarkson, Nigel Dunn-Coleman, Suzanne E. Lantz, Craig E. Pilgrim, Piet van Solingen, Michael Ward
  • Patent number: 8173409
    Abstract: The present invention is directed to novel acid proteases and more specifically to NSP24 family proteases and NSP25 family proteases including biologically active fragments thereof and to nucleic acid molecules encoding said proteases. Also provided are vectors and host cells including nucleic acid sequences coding for the proteases, methods for producing the proteases, enzyme compositions and methods employing said proteases.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: May 8, 2012
    Assignee: Danisco US Inc.
    Inventors: Kathleen A. Clarkson, Nigel Dunn-Coleman, Suzanne E. Lantz, Craig E. Pilgrim, Piet Van Solingen, Michael Ward
  • Publication number: 20100190208
    Abstract: The present invention is directed to novel acid proteases and more specifically to NSP24 family proteases and NSP25 family proteases including biologically active fragments thereof and to nucleic acid molecules encoding said proteases. Also provided are vectors and host cells including nucleic acid sequences coding for the proteases, methods for producing the proteases, enzyme compositions and methods employing said proteases.
    Type: Application
    Filed: October 20, 2009
    Publication date: July 29, 2010
    Inventors: Kathleen A. CLARKSON, Nigel DUNN-COLEMAN, Suzanne E. LANTZ, Craig E. PILGRIM, Piet VAN SOLINGEN, Michael Ward
  • Publication number: 20100124586
    Abstract: A stable, durable granule for feed compositions has a core, at least one active agent; and at least one coating. The active agent of the granule retains at least 50% activity, at least 60% activity, at least 70% activity, at least 80% activity after conditions selected from one or more of a) a feed pelleting process, b) a steam-heated feed pretreatment process, c) storage, d) storage as an ingredient in an unpelleted mixture, and e) storage as an ingredient in a feed base mix or a feed premix comprising at least one compound selected from trace minerals, organic acids, reducing sugars, vitamins, choline chloride, and compounds which result in an acidic or a basic feed base mix or feed premix.
    Type: Application
    Filed: October 12, 2006
    Publication date: May 20, 2010
    Applicant: GENENCOR INTERNATIONAL, INC.
    Inventors: Nathaniel T. Becker, Kathleen A. Clarkson, Douglas A. Dale, Beth Fryksdale, Mark S. Gebert, Michael Partsuf, Troels N. Gravesen
  • Publication number: 20100062511
    Abstract: The invention is directed to modified xylanases having increased stability in harsh industrial environments, such as increased pH and/or temperature.
    Type: Application
    Filed: March 17, 2009
    Publication date: March 11, 2010
    Applicant: DANISCO US INC., GENENCOR DIVISION
    Inventors: Kathleen A. Clarkson, Fred Fenel
  • Patent number: 7629451
    Abstract: The present invention is directed to novel acid proteases and more specifically to NSP24 family proteases and NSP25 family proteases including biologically active fragments thereof and to nucleic acid molecules encoding said proteases. Also provided are vectors and host cells including nucleic acid sequences coding for the proteases, methods for producing the proteases, enzyme compositions and methods employing said proteases.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: December 8, 2009
    Assignee: Genencor International, Inc.
    Inventors: Kathleen A. Clarkson, Nigel Dunn-Coleman, Suzanne E. Lantz, Craig E. Pilgrim, Piet Van Solingen, Michael Ward
  • Publication number: 20090203088
    Abstract: The present invention relates to the co-expression and production of a heterologous alpha amylase and an endogenous glucoamylase in an Aspergillus strain and enzyme compositions including the same.
    Type: Application
    Filed: January 21, 2009
    Publication date: August 13, 2009
    Applicant: Genencor International, Inc.
    Inventors: Toby M. Baldwin, Kathleen A. Clarkson, Nigel Dunn-Coleman, Suzanne E. Lantz
  • Publication number: 20090061483
    Abstract: The present invention is directed to novel acid proteases and more specifically to NSP24 family proteases and NSP25 family proteases including biologically active fragments thereof and to nucleic acid molecules encoding said proteases. Also provided are vectors and host cells including nucleic acid sequences coding for the proteases, methods for producing the proteases, enzyme compositions and methods employing said proteases.
    Type: Application
    Filed: July 2, 2008
    Publication date: March 5, 2009
    Inventors: Kathleen A. Clarkson, Nigel Dunn-Coleman, Suzanne E. Lantz, Craig E. Pilgrim, Piet Van Solingen, Michael Ward
  • Patent number: 7498159
    Abstract: The present invention relates to the co-expression and production of a heterologous alpha amylase and an endogenous glucoamylase in an Aspergillus strain and enzyme compositions including the same.
    Type: Grant
    Filed: December 3, 2007
    Date of Patent: March 3, 2009
    Assignee: Genencor International, Inc.
    Inventors: Toby M. Baldwin, Kathleen A. Clarkson, Nigel Dunn-Coleman, Suzanne E. Lantz