Patents by Inventor Gopal K. Chotani

Gopal K. Chotani 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).

  • Enzyme production in culture medium comprising raw glycerol
    Patent number: 8012713
    Abstract: The present invention is directed to a method of producing desired proteins from a host cell grown in a media comprising raw glycerol as a carbon source.
    Type: Grant
    Filed: January 10, 2008
    Date of Patent: September 6, 2011
    Assignee: Danisco US Inc.
    Inventors: Gopal K. Chotani, Kenneth F. Herfert, Janine Reimann
  • MEMBRANE BIOREACTOR FOR INCREASED PRODUCTION OF ISOPRENE GAS
    Publication number: 20110195472
    Abstract: The invention provides improved methods for the production of isoprene from biological materials.
    Type: Application
    Filed: December 22, 2010
    Publication date: August 11, 2011
    Inventors: Anthony R. CALABRIA, Gopal K. CHOTANI, Robin FONG, Alex T. NIELSEN, Karl J. SANFORD
  • ISOPRENE PRODUCTION USING THE DXP AND MVA PATHWAY
    Publication number: 20110014672
    Abstract: The invention provides for methods for producing isoprene from cultured cells using various components of the DXP pathway and MVA pathway, or components associated with the DXP pathway and MVA pathway, iron-sulfur cluster-interacting redox polypeptides, and isoprene synthase. The invention also provides compositions that include these cultured cells.
    Type: Application
    Filed: June 16, 2010
    Publication date: January 20, 2011
    Inventors: Gopal K. Chotani, Joseph C. Mcauliffe, Michael C. Miller, Rachel Erin Muir, Dmitrii V. Vaviline, Walter Weyler
  • Enzyme Production in Culture Medium Comprising Raw Glycerol
    Publication number: 20100297696
    Abstract: The present invention is directed to a method of producing desired proteins from a host cell grown in a media comprising raw glycerol as a carbon source.
    Type: Application
    Filed: January 10, 2008
    Publication date: November 25, 2010
    Inventors: Gopal K. Chotani, Kenneth F. Herfert, Janine Reimann
  • METHODS OF PRODUCING ISOPRENE AND A CO-PRODUCT
    Publication number: 20100196977
    Abstract: The invention features methods producing isoprene and a co-product, such as ethanol, 1,3-propanediol, or hydrogen from cultured cells. The invention also provides compositions that include these cultured cells. The invention provides compositions comprising isoprene and ethanol, isoprene and 1,3-propanediol, and isoprene and hydrogen. Additionally, the invention provides methods of co-producing isoprene and ethanol, isoprene and 1,3-propanediol, and isoprene and hydrogen by culturing cells under conditions suitable for co-production of isoprene and ethanol, isoprene and 1,3-propanediol, and isoprene and hydrogen.
    Type: Application
    Filed: December 30, 2009
    Publication date: August 5, 2010
    Inventors: Gopal K. Chotani, Caroline M. Peres, Derek H. Wells, Karl J. Sanford, Joseph C. McAuliffe
  • REDUCTION OF CARBON DIOXIDE EMISSION DURING ISOPRENE PRODUCTION BY FERMENTATION
    Publication number: 20100167370
    Abstract: The present invention provides methods for increasing the amount of isoprene produced by cultured cells with only a minimal increase in carbon dioxide emitted, thereby resulting in process having a greater yield of isoprene relative to carbon dioxide. In addition, the present invention provides compositions that include the cultured cells or isoprene produced there from.
    Type: Application
    Filed: September 15, 2009
    Publication date: July 1, 2010
    Inventors: Gopal K. Chotani, Alex Nielsen, Karl J. Sanford
  • SYSTEMS USING CELL CULTURE FOR PRODUCTION OF ISOPRENE
    Publication number: 20100167371
    Abstract: The invention features methods for producing isoprene from cultured cells. The invention also provides compositions that include these cultured cells. The invention provides isoprene compositions, such as compositions with increased amount of isoprene or increased purity. Additionally, the invention provides methods of producing isoprene by culturing cells under conditions suitable for isoprene production while maintaining cell viability and/or metabolic activity.
    Type: Application
    Filed: September 15, 2009
    Publication date: July 1, 2010
    Inventors: Gopal K. Chotani, Joseph C. McAuliffe, Caroline M. Peres, Gregory M. Whited
  • COMPOSITIONS AND METHODS FOR PRODUCING ISOPRENE FREE OF C5 HYDROCARBONS UNDER DECOUPLING CONDITIONS AND/OR SAFE OPERATING RANGES
    Publication number: 20100048964
    Abstract: The invention features methods for producing isoprene from cultured cells wherein the cells in the stationary phase. The invention also provides compositions that include these cultured cells and/or increased amount of isoprene. The invention also provides for systems that include a non-flammable concentration of isoprene in the gas phase. Additionally, the invention provides isoprene compositions, such as compositions with increased amount of isoprene or increased purity.
    Type: Application
    Filed: July 1, 2009
    Publication date: February 25, 2010
    Inventors: Anthony R. CALABRIA, Marguerite A. CERVIN, Gopal K. CHOTANI, Joseph C. MCAULIFFE, Michael C. MILLER, Timothy A. SABO, Erin L. WEBSTER
  • Expression of Granular Starch Hydrolyzing Enzymes in Trichoderma and process for producing glucose from granular starch substrates
    Publication number: 20090203087
    Abstract: The present invention relates to filamentous fungal host cells and particularly Trichoderma host cells useful for the production of heterologous granular starch hydrolyzing enzymes having glucoamylase activity (GSHE). Further the invention relates to a method for producing a glucose syrup comprising contacting a granular starch slurry obtained from a granular starch substrate simultaneously with an alpha amylase and a GSHE at a temperature equal to or below the gelatinization temperature of the granular starch to obtain a composition of a glucose syrup.
    Type: Application
    Filed: October 19, 2007
    Publication date: August 13, 2009
    Inventors: Toby M. Baldwin, Benjamin S. Bower, Gopal K. Chotani, Nigel Dunn-Coleman, Oreste J. Lantero, JR., Suzanne E. Lantz, Michael J. Pepsin, Jayarama K. Shetty, Bruce A. Strohm
  • COMPOSITIONS AND METHODS FOR PRODUCING ISOPRENE
    Publication number: 20090203102
    Abstract: The invention features methods for producing isoprene from cultured cells. The invention also provides compositions that include these cultured cells.
    Type: Application
    Filed: December 15, 2008
    Publication date: August 13, 2009
    Inventors: Marguerite A. Cervin, Gregory M. Whited, Gopal K. Chotani, Fernando Valle, Carol Fioresi, Karl J. Sanford, Joseph C. Mcauliffe, Frank J. Feher, Aaron S. Puhala, Andrei Miasnikov, Ilana S. Aldor
  • METHODS FOR PRODUCING END-PRODUCTS FROM CARBON SUBSTRATES
    Publication number: 20090181433
    Abstract: The present invention provides means for the production of desired end-products of in vitro and/or in vivo bioconversion of biomass-based feed stock substrates, including but not limited to such materials as starch and cellulose. In particularly preferred embodiments, the methods of the present invention do not require gelatinization and/or liquefaction of the substrate.
    Type: Application
    Filed: October 2, 2008
    Publication date: July 16, 2009
    Applicant: GENENCOR INTERNATIONAL, INC.
    Inventors: Gopal K. Chotani, Manoj Kumar, Jeffrey P. Pucci, Karl J. Sanford, Jayarama K. Shetty
  • Expression of granular starch hydrolyzing enzymes in and process for producing glucose from granular starch substrates
    Patent number: 7303899
    Abstract: The present invention relates to filamentous fungal host cells and particularly Trichoderma host cells useful for the production of heterologous granular starch hydrolyzing enzymes having glucoamylase activity (GSHE). Further the invention relates to a method for producing a glucose syrup comprising contacting a granular starch slurry obtained from a granular starch substrate simultaneously with an alpha amylase and a GSHE at a temperature equal to or below the gelatinization temperature of the granular starch to obtain a composition of a glucose syrup.
    Type: Grant
    Filed: November 18, 2004
    Date of Patent: December 4, 2007
    Assignee: Genencor International, Inc.
    Inventors: Toby M. Baldwin, Benjamin S. Bower, Gopal K. Chotani, Nigel Dunn-Coleman, Oreste J. Lantero, Jr., Suzanne E. Lantz, Michael J. Pepsin, Jayarama K. Shetty, Bruce A. Strohm
  • Methods for producing end-products from carbon substrates
    Publication number: 20040157301
    Abstract: The present invention provides means for the production of desired end-products of in vitro and/or in vivo bioconversion of biomass-based feed stock substrates, including but not limited to such materials as starch and cellulose. In particularly preferred embodiments, the methods of the present invention do not require gelatinization and/or liquefaction of the substrate.
    Type: Application
    Filed: January 26, 2004
    Publication date: August 12, 2004
    Inventors: Gopal K. Chotani, Manoj Kumar, Jeff P. Pucci, Karl J. Sanford, Jayarama K. Shetty
  • Methods for producing end-products from carbon substrates
    Publication number: 20030203454
    Abstract: The present invention provides means for the production of desired end-products of in vitro and/or in vivo bioconversion of biomass-based feed stock substrates, including but not limited to such materials as starch and cellulose. In particularly preferred embodiments, the methods of the present invention do not require gelatinization and/or liquefaction of the substrate.
    Type: Application
    Filed: February 6, 2003
    Publication date: October 30, 2003
    Inventors: Gopal K. Chotani, Manoj Kumar, Jeff P. Pucci, Karl J. Sanford, Jayarama K. Shetty