Patents by Inventor David Weiner

David Weiner 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: 20140128590
    Abstract: The invention provides hydrolases, polynucleotides encoding them, and methods of making and using these polynucleotides and polypeptides. In one aspect, the invention is directed to polypeptides, e.g., enzymes, having a hydrolase activity, e.g., an esterase, acylase, lipase, phospholipase (e.g., phospholipase A, B, C and D activity, patatin activity, lipid acyl hydrolase (LAH) activity) or protease activity, including thermostable and thermotolerant hydrolase activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The hydrolase activities of the polypeptides and peptides of the invention include esterase activity, lipase activity (hydrolysis of lipids), acidolysis reactions (to replace an esterified fatty acid with a free fatty acid), transesterification reactions (exchange of fatty acids between triglycerides), ester synthesis, ester interchange reactions, phospholipase activity and protease activity (hydrolysis of peptide bonds).
    Type: Application
    Filed: September 14, 2012
    Publication date: May 8, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Uwe T. BORNSCHEUER, David WEINER, Tim HITCHMAN, Jonathan LYON, Sirirung WONGSAKUL
  • Patent number: 8557551
    Abstract: The invention provides novel methods for making or modifying oils, e.g., plant, animal or microbial oils, such as vegetable oils or related compounds, that are low in a particular fatty acid(s), for example, low linoleic oils, low linolenic oils, low palmitic oils, low stearic oils or oils low in a combination thereof.
    Type: Grant
    Filed: September 9, 2005
    Date of Patent: October 15, 2013
    Assignee: DSM IP Assets B.V.
    Inventors: David Lam, David Weiner, Timothy Hitchman, Nelson R. Barton, Jonathan Lyon
  • Patent number: 8334125
    Abstract: The invention relates to nitrilases and to nucleic acids encoding the nitrilases. In addition methods of designing new nitrilases and method of use thereof are also provided. The nitrilases have increased activity and stability at increased pH and temperature.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: December 18, 2012
    Assignee: Verenium Corporation
    Inventors: Grace DeSantis, Ellen Chi, Jennifer Ann Chaplin, Aileen Milan, Jay Short, David Weiner, Mark Madden, Darcy Madden, legal representative, Mark Burk, Dan Robertson
  • Patent number: 8298799
    Abstract: The invention provides hydrolases, polynucleotides encoding them, and methods of making and using these polynucleotides and polypeptides. In one aspect, the invention is directed to polypeptides, e.g., enzymes, having a hydrolase activity, e.g., an esterase, acylase, lipase, phospholipase (e.g., phosphlipase A, B, C and D activity, patatin activity, lipid acyl hydrolase (LAH) activity) or protease activity, including thermostable and thermotolerant hydrolase activity, and polynucleotides encoding these enzyme, and making and using these polynucleotides and polypeptides. The hydrolase activities of the polypeptides and peptides of the invention include esterase activity, lipase activity (hydrolysis of lipids), acidolysis reactions (to replace an esterified fatty acid with a free fatty acid), transesterification reactions (exchange of fatty acids between triglycerides), ester synthesis, ester interchange reactions, phospholipase activity and protease activity (hydrolysis of peptide bonds).
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: October 30, 2012
    Assignee: DSM IP Assets B. V.
    Inventors: Uwe T. Bornscheuer, David Weiner, Tim Hitchman, Jonathan Lyon, Sirirung Wongsakul
  • Publication number: 20120010104
    Abstract: The invention provides growth selection methods for screening an environmental or a mixed population library of nucleic acids comprising uncharacterized nucleic acids for the presence of a nucleic acid encoding an enzyme of interest. In one aspect, methods for screening and identification of enzymes, e.g., transaminases, nitrilases, aldolases, epoxide hydrolases are provided. Methods for the production and screening of gene libraries generated from nucleic acids isolated from more than one organism for enzymes of interest, e.g., transaminases, nitrilases, aldolases, epoxide hydrolases, are also provided.
    Type: Application
    Filed: June 21, 2011
    Publication date: January 12, 2012
    Inventors: David Weiner, Tim Hitchman, Lishan Zhao, Mark J. Burk, Grace Desantis, Sarah Richardson Hanson, Aileen Milan, Toby Richardson, Patti Kretz, William Greenberg
  • Publication number: 20120009634
    Abstract: This invention relates to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In some embodiments, the invention is directed to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, including thermostable and thermotolerant activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The polypeptides in accordance with the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts.
    Type: Application
    Filed: September 16, 2011
    Publication date: January 12, 2012
    Inventors: Ellen BURKE, Steven John Gort, Paula M. Hicks, Peter Luginbuhl, Sara C. McFarlan, Toby Richardson, Christopher Solheid, David Weiner, Lishan Zhao
  • Publication number: 20110306117
    Abstract: The invention provides the invention provides compositions and methods for the enzymatic treatment (“bleaching” or “de-colorizing”) of chlorophyll-comprising compositions, e.g., algae preparations, chlorophyll-containing or chlorophyll-contaminated feeds, foods or oils, for example, vegetable oils, including oils processed from oilseeds, such as canola (rapeseed) oil or soybean oil, or oil fruits, such as palm oil. In one aspect, the invention provides methods using a chlorophyllase enzyme for the enzymatic hydrolysis of chlorophyll in an algae, an animal (e.g., a fish) or plant preparation, a food or an oil. In one aspect, the chlorophyllase is immobilized onto a silica. The invention also provides compositions of manufacture and detergents.
    Type: Application
    Filed: May 9, 2011
    Publication date: December 15, 2011
    Applicant: VERENIUM CORPORATION
    Inventors: DAVID LAM, DAVID WEINER, TIMOTHY HITCHMAN, NELSON BARTON, MARK BURK
  • Publication number: 20110263839
    Abstract: The invention relates to nitrilases and to nucleic acids encoding the nitrilases. In addition methods of designing new nitrilases and method of use thereof are also provided. The nitrilases have increased activity and stability at increased pH and temperature.
    Type: Application
    Filed: June 27, 2011
    Publication date: October 27, 2011
    Applicant: VERENIUM CORPORATION
    Inventors: Grace DESANTIS, Jennifer Ann CHAPLIN, Ellen CHI, Aileen MILAN, Jay M. SHORT, David WEINER, Mark MADDEN, Darcy MADDEN, Mark J. BURK, Dan E. ROBERTSON
  • Patent number: 8043837
    Abstract: This invention relates to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In some embodiments, the invention is directed to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, including thermostable and thermotolerant activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The polypeptides in accordance with the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts.
    Type: Grant
    Filed: March 7, 2007
    Date of Patent: October 25, 2011
    Assignee: Cargill, Incorporated
    Inventors: Ellen Burke, Steven John Gort, Paula M. Hicks, Peter Luginbuhl, Sara C. McFarlan, Toby Richardson, Christopher Solheid, David Weiner, Lishan Zhao
  • Patent number: 8043839
    Abstract: The invention relates to enzymes having xylanase, mannanase and/or glucanase activity, e.g., catalyzing hydrolysis of internal ?-1,4-xylosidic linkages or endo-?-1,4-ghicanase linkages; and/or degrading a linear polysaccharide beta-1,4-xylan into xylose. Thus, the invention provides methods and processes for breaking down hemicellulose, which is a major component of the cell wall of plants, including methods and processes for hydrolyzing hemicelluloses in any plant or wood or wood product, wood waste, paper pulp, paper product or paper waste or byproduct. In addition, methods of designing new xylanases, mannanases and/or glucanases and methods of use thereof are also provided. The xylanases, mannanases and/or glucanases have increased activity and stability at increased pH and temperature.
    Type: Grant
    Filed: February 14, 2007
    Date of Patent: October 25, 2011
    Assignee: Verenium Corporation
    Inventors: David Weiner, David Blum, Alexander Varvak, Shaun Healey, Kristine Chang, Geoff Hazlewood, Thomas Todaro, Grace Desantis, Hwai Chang, Connie Jo Hansen, Scott W. Beaver, Thomas Woodward, Charles Hancock
  • Patent number: 8034595
    Abstract: The invention provides nitrilases and methods for making and using them, and in one aspect, provides methods for producing enantiomerically pure ?-substituted carboxylic acids, such as, for example, ?-amino acids and ?-hydroxy acids. In one aspect, methods of the invention combine an aldehyde or ketone with a cyanide and ammonia or an ammonium salt or an amine, in the presence of a nitrilase or a polypeptide having nitrilase activity, to stereoselectively hydrolyze the amino nitrile or cyanohydrin intermediate under conditions sufficient to produce the carboxylic acid.
    Type: Grant
    Filed: October 8, 2007
    Date of Patent: October 11, 2011
    Assignee: Verenium Corporation
    Inventors: Mark Madden, David Weiner, Jennifer Ann Chaplin
  • Patent number: 7993901
    Abstract: The invention relates to nitrilases and to nucleic acids encoding the nitrilases. In addition methods of designing new nitrilases and method of use thereof are also provided. The nitrilases have increased activity and stability at increased pH and temperature.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: August 9, 2011
    Assignee: Verenium Corporation
    Inventors: Grace Desantis, Ellen Chi, Jennifer Ann Chaplin, Aileen Milan, Jay Short, David Weiner, Mark Madden, Marcy Madden, legal representative, Mark Burk, Dan Robertson
  • Patent number: 7981844
    Abstract: The invention provides biocatalytic methods for the manufacture of pure single enantiomer compounds. This invention provides methods of screening for enzymes which are highly enantioselective or enzymes that can provide any desired stereoisomer of a compound. The invention provides the use of single enantiomer substrates in performing a growth screen of a clonal library to identify highly stereoselective enzymes. In one aspect, methods for screening and identification of enzymes, e.g., transaminases, nitrilases, aldolases, epoxide hydrolases are provided. Methods for the production and screening of gene libraries generated from nucleic acids isolated from more than one organism for enzyme, e.g., transaminase, activities are also provided.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: July 19, 2011
    Assignee: Verenium Corporation
    Inventors: David Weiner, Tim Hitchman, Lishan Zhao, Mark J. Burk, Grace Desantis, Sarah Richardson Hanson, Aileen Milan, Toby Richardson, Patti Kretz, William Greenberg
  • Publication number: 20110027346
    Abstract: This invention provides polypeptides having lyase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In one aspect, the invention is directed to polypeptides having ammonia lyase activity, e.g., phenylalanine ammonia lyase, tyrosine ammonia lyase and/or histidine ammonia lyase activity, including thermostable and thermotolerant activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The polypeptides of the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts.
    Type: Application
    Filed: May 29, 2007
    Publication date: February 3, 2011
    Applicant: VERENIUM CORPORATION
    Inventors: David Weiner, Alexander Varvak, Toby Richardson, Mircea Podar, Ellen Burke, Shaun Healey
  • Publication number: 20100273659
    Abstract: The invention relates to nitrilases and to nucleic acids encoding the nitrilases. In addition methods of designing new nitrilases and method of use thereof are also provided. The nitrilases have increased activity and stability at increased pH and temperature.
    Type: Application
    Filed: February 29, 2008
    Publication date: October 28, 2010
    Applicant: VERENIUM CORPORATION
    Inventors: Grace DeSantis, Jennifer Chaplin, Ellen Chi, Aileen Milan, Jay Short, David Weiner, Mark Madden, Darcy Madden, Dan Robertson
  • Publication number: 20100256217
    Abstract: Method of treating an individual exposed to and/or infected with a virus selected from the group consisting of: West Nile Virus, Japanese encephalitis virus, Kunjin virus Tick-borne encephalitis virus and Hepatitis C virus, are disclosed. The methods comprise administering to such individuals, a therapeutically effective amount of one or more compounds that inhibit CK2 activity, one or more compounds that inhibit CK2 expression or a combination thereof. Pharmaceutical compositions comprising therapeutically effective amount of one or more compounds that inhibit CK2 activity, one or more compounds that inhibit CK2 expression, or a combination thereof are also disclosed.
    Type: Application
    Filed: May 22, 2007
    Publication date: October 7, 2010
    Applicant: The Trustees of the University of Pennsylvania
    Inventors: David Weiner, Mathura Ramanathan
  • Publication number: 20100086986
    Abstract: The invention relates to nitrilases and to nucleic acids encoding the nitrilases. In addition methods of designing new nitrilases and method of use thereof are also provided. The nitrilases have increased activity and stability at increased pH and temperature.
    Type: Application
    Filed: December 2, 2009
    Publication date: April 8, 2010
    Applicant: VERENIUM CORPORATION
    Inventors: Grace DESANTIS, Jennifer Ann CHAPLIN, Ellen CHI, Aileen MILAN, Jay M. SHORT, David WEINER, Mark MADDEN, Darcy MADDEN, Mark J. BURK, Dan E. ROBERTSON
  • Publication number: 20090297495
    Abstract: The invention provides hydrolases, polynucleotides encoding them, and methods of making and using these polynucleotides and polypeptides. In one aspect, the invention is directed to polypeptides, e.g., enzymes, having a hydrolase activity, e.g., an esterase, acylase, lipase, phospholipase (e.g., phospholipase A, B, C and D activity, patatin activity, lipid acyl hydrolase (LAH) activity) or protease activity, including thermostable and thermotolerant hydrolase activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The hydrolase activities of the polypeptides and peptides of the invention include esterase activity, lipase activity (hydrolysis of lipids), acidolysis reactions (to replace an esterified fatty acid with a free fatty acid), transesterification reactions (exchange of fatty acids between triglycerides), ester synthesis, ester interchange reactions, phospholipase activity and protease activity (hydrolysis of peptide bonds).
    Type: Application
    Filed: March 8, 2006
    Publication date: December 3, 2009
    Inventors: Janne S. Kerovuo, Ryan McCann, David Weiner, Arne I. Solbak, JR.
  • Patent number: 7582455
    Abstract: Monatin and certain stereoisomers of monatin, such as R,R monatin and S,R monatin, as well as salts thereof, are produced using polypeptides and biosynthetic pathways. These polypeptides and biosynthetic pathways are also useful in the production of R-2-hydroxy-2-(indoly-3-ylmethyl)-4-keto glutaric acid, an intermediate that is formed in certain monatin synthesis pathways, including some biosynthetic pathways.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: September 1, 2009
    Assignee: Cargill, Incorporated
    Inventors: Brian J. Brazeau, Ellen Burke, Mervyn DeSouza, Steven J. Gort, Paula M. Hicks, Sherry R. Kollmann, Peter Luginbuhl, Sara C. McFarlan, Toby Richardson, Fernando A. Sanchez-Riera, Christopher Solheid, David Weiner, Lishan Zhao
  • Publication number: 20090176976
    Abstract: The invention relates to nitrilases and to nucleic acids encoding the nitrilases. In addition methods of designing new nitrilases and method of use thereof are also provided. The nitrilases have increased activity and stability at increased pH and temperature.
    Type: Application
    Filed: March 3, 2009
    Publication date: July 9, 2009
    Inventors: Grace DESANTIS, Jennifer Ann Chaplin, Ellen Chi, Aileen Milan, Jay M. Short, David Weiner, Mark Madden, Mark J. Burk, Dan E. Robertson, Darcy Madden