Patents by Inventor David Estell

David Estell 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).

  • Patent number: 7696173
    Abstract: The present invention provides compositions and methods related to expression of protease inhibitors and variants thereof in bacterial species. The present invention further provides fusion nucleic acids, vectors, fusion polypeptides, and processes for obtaining the protease inhibitors.
    Type: Grant
    Filed: July 14, 2008
    Date of Patent: April 13, 2010
    Assignee: Danisco US Inc.
    Inventors: Katherine Collier, Grant Ganshaw, Hans De Nobel, Scott D. Power, Anita Van Kimmenade, Marc Kolkman, Jeffrey Miller, Brian Schmidt, Gudrun Vogtentanz, David Estell
  • Publication number: 20090111160
    Abstract: The present invention provides compositions and methods related to expression of protease inhibitors and variants thereof in bacterial species. The present invention further provides fusion nucleic acids, vectors, fusion polypeptides, and processes for obtaining the protease inhibitors.
    Type: Application
    Filed: July 14, 2008
    Publication date: April 30, 2009
    Inventors: Katherine Collier, Grant Ganshaw, Hans De Nobel, Scott D. Power, Anita Van Kimmenade, Marc Kolkman, Jeffrey Miller, Brian Schmidt, Gudrun Vogtentanz, David Estell
  • Patent number: 7413877
    Abstract: The present invention provides compositions and methods related to the expression of Bowman-Birk protease inhibitors and variants thereof in bacterial species. The present invention further provides fusion nucleic acids, vectors, fusion polypeptides, and processes for obtaining the Bowman-Birk protease inhibitors.
    Type: Grant
    Filed: November 8, 2004
    Date of Patent: August 19, 2008
    Assignee: Genencor International, Inc.
    Inventors: Katherine Collier, Grant Ganshaw, Hans De Nobel, Scott D. Power, Anita Van Kimmenade, Marc Kolkman, Jeffrey Miller, Brian Schmidt, Gudrun Vogtentanz, David Estell
  • Publication number: 20080063774
    Abstract: The present invention provides novel Micrococcineae spp serine proteases having multiple substitutions. In particular, the present invention provides serine proteases having multiple substitutions, DNA encoding these proteases, vectors comprising the DNA encoding the proteases, host cells transformed with the vector DNA, and enzymes produced by the host cells. The present invention also provides cleaning compositions (e.g., detergent compositions), animal feed compositions, and textile and leather processing compositions comprising these serine protease variants. In particularly preferred embodiments, the present invention provides mutant (i.e., variant) proteases derived from the wild-type proteases described herein. These variant proteases also find use in numerous applications.
    Type: Application
    Filed: May 31, 2007
    Publication date: March 13, 2008
    Inventors: Wolfgang Aehle, David Estell, Ronaldus Hommes, Brian Jones, Marc Kolkman, Chris Leeflang, Hiroshi Oh, Ayrookaran Poulose, Andrew Shaw, Wilhelmus Van Der Kley, Leonardus Van Marrewijk
  • Publication number: 20080029130
    Abstract: The present invention provides methods and compositions for dynamic pH control, particularly in detergent applications. In particularly preferred embodiments, the detergent compositions find use in surface removal of soils from fabrics, including clothing. In some particularly preferred embodiments, the present invention provides combinations of enzymes to provide for dynamic pH control.
    Type: Application
    Filed: February 16, 2007
    Publication date: February 7, 2008
    Inventors: Edward Concar, David Estell, Hiroshi Oh, Ayrookaran Poulose
  • Publication number: 20080004186
    Abstract: The present invention provides methods for protein engineering. Specifically, the invention provides methods utilizing site evaluation libraries to design libraries that optimize two or more properties of a protein.
    Type: Application
    Filed: June 22, 2007
    Publication date: January 3, 2008
    Inventors: David Estell, Aehle Wolfgang
  • Publication number: 20070202528
    Abstract: The present invention relates to the proteins not previously identified as proteases; the use of those peptides in screening for compounds that modulate protease activity; treating individuals in need of treatment with the compounds or proteases; and in methods for diagnosing a disease or disorder associated with a protease of the instant invention.
    Type: Application
    Filed: February 15, 2007
    Publication date: August 30, 2007
    Inventors: Anthony Day, David Estell, Eric Lyons, Jian Yao
  • Publication number: 20060134086
    Abstract: The present invention provides targeted enzymes that bind to targets better than the corresponding pre-targeted enzymes bind the target under like conditions, methods of making targeted enzymes, methods of using targeted enzymes to treat diseases, and pharmaceutical compositions comprising targeted enzymes.
    Type: Application
    Filed: June 30, 2004
    Publication date: June 22, 2006
    Inventors: Yiyou Chen, Anthony Day, David Estell, Christopher Murray, Scott Power, Volker Schellenberger
  • Publication number: 20060035367
    Abstract: The present invention relates to the identification of a novel metalloproteases in gram positive microorganisms. The present invention provides the nucleic acid and amino acid sequences for the metalloprotease. The present invention also provides host cells having a mutation or deletion of part or all of the gene encoding the metalloprotease. The present invention provides host cells which further comprises a nucleic acid encoding desired heterologous proteins such as enzymes. The present invention also provides cleaning compositions, animal feeds and compositions used to treat a textile that include the metalloprotease of the present invention.
    Type: Application
    Filed: June 21, 2002
    Publication date: February 16, 2006
    Inventor: David Estell
  • Publication number: 20060024764
    Abstract: The present invention relates to a novel methods and compositions for producing hyper and hypo allergenic compositions. Specifically, the present invention comprises neutralizing or reducing the ability of T-cells to recognize epitopes and thus prevent sensitization of an individual to the protein. Alternatively, T-cell epitopes are mutated to produce increased immunogenic reactions. Moreover, naturally occurring proteins are provided.
    Type: Application
    Filed: December 22, 2004
    Publication date: February 2, 2006
    Inventors: David Estell, Fiona Harding
  • Publication number: 20050249789
    Abstract: The present invention relates to the identification of novel hydrolases in gram positive microorganisms. The present invention provides amino acid sequences for the hydrolase. The present invention provides host cells which comprise nucleic acid encoding the hydrolase. The present invention also provides cleaning compositions, animal feeds and compositions used to treat a textile that include the hydrolase of the present invention.
    Type: Application
    Filed: July 12, 2005
    Publication date: November 10, 2005
    Inventor: David Estell
  • Publication number: 20050244848
    Abstract: The present invention makes use of unique tags of a specific biopolymer that can be exploited for determining the concentration the biopolymer in crude solutions. In preferred embodiments the biopolymer is either a protein or a polynucleotide. Particularly, the invention provides a method for the determination and quantitation of biomolecules in crude mixtures by way of a separation technique in combination with mass spectroscopy. In one general embodiment, a target biomolecule is selected for analysis and an analog thereof is generated. Peak area integration of the peptide pairs provides a direct measure for the amount of target protein in the crude solution.
    Type: Application
    Filed: December 14, 2004
    Publication date: November 3, 2005
    Inventors: David Estell, Grant Ganshaw, Christian Paech, Sigrid Paech
  • Publication number: 20050245417
    Abstract: The present invention relates to the identification of a novel metalloproteases in gram positive microorganisms. The present invention provides the nucleic acid and amino acid sequences for the metalloprotease. The present invention also provides host cells having a mutation or deletion of part or all of the gene encoding the metalloprotease. The present invention provides host cells which further comprises a nucleic acid encoding desired heterologous proteins such as enzymes. The present invention also provides cleaning compositions, animal feeds and compositions used to treat a textile that include the metalloprotease of the present invention.
    Type: Application
    Filed: December 16, 2004
    Publication date: November 3, 2005
    Inventor: David Estell
  • Publication number: 20050244925
    Abstract: The present invention relates to the identification of novel metallo-proteases (MP) in Gram-positive microorganisms. The present invention provides the nucleic acid and amino acid sequences for Bacillus MP. The present invention also provides host cells having a mutation or deletion of part or all of the gene encoding MP. The present invention also provides host cells further comprising nucleic acid encoding desired heterologous proteins such as enzymes. The present invention also provides cleaning compositions comprising an MP of the present invention.
    Type: Application
    Filed: December 8, 2004
    Publication date: November 3, 2005
    Inventor: David Estell
  • Publication number: 20050221461
    Abstract: Novel enzyme variants including protease variants derived from the DNA sequences of naturally-occurring or re-combinant non-human proteases are disclosed. The variant proteases, in general, are obtained by in vitro modification of a precursor DNA sequence encoding the naturally-occurring or recombinant protease to generate the substitution of a plurality of amino acid residues in the amino acid sequence of a precursor protease. Such variant proteases have properties which are different from those of the precursor protease, such as altered wash performance. The substituted amino acid residue correspond to positions 27, 45, 170, 181, 251 and 271 of Bacillus amyloliquefaciens subtilisin. Additional variants comprising at least one additional substitution at a position selected from 1, 14, 49, 61, 87, 100, 102, 118, 128, 204 and 258 of Bacillus amyloliquefaciens subtilisin are also described.
    Type: Application
    Filed: January 16, 2003
    Publication date: October 6, 2005
    Inventors: Ayrookaran Poulose, David Estell, James Kellis Jr, Richard Bott
  • Publication number: 20050214816
    Abstract: The present invention relates to the identification of novel serine proteases in Gram-positive microorganisms. The present invention provides the nuclei acid and amino acid sequences for the Bacillus subtilis serine proteases SP1, SP2, SP3, SP4 and SP5. The present invention also provides host cells having a mutation or deletion of part or all of the gene encoding SP1, SP2, SP3, SP4 and SP5. The present invention also provides host cells further comprising nucleic acid encoding desired heterologous proteins such as enzymes. The present invention also provides a cleaning composition comprising a serine protease of the present invention.
    Type: Application
    Filed: December 16, 2004
    Publication date: September 29, 2005
    Inventor: David Estell
  • Publication number: 20050214817
    Abstract: The present invention relates to the identification of novel serine proteases in Gram-positive microorganisms. The present invention provides the nuclei acid and amino acid sequences for the Bacillus subtilis serine proteases SP1, SP2, SP3, SP4 and SP5. The present invention also provides host cells having a mutation or deletion of part or all of the gene encoding SP1, SP2, SP3, SP4 and SP5. The present invention also provides host cells further comprising nucleic acid encoding desired heterologous proteins such as enzymes. The present invention also provides a cleaning composition comprising a serine protease of the present invention.
    Type: Application
    Filed: December 16, 2004
    Publication date: September 29, 2005
    Inventor: David Estell
  • Publication number: 20050203026
    Abstract: The present invention provides peptides and supported peptides for treating proliferative diseases. In particularly preferred embodiments, the present invention provides peptides and supported peptides for treating diseases of the skin, such as rosacea. In some particularly preferred embodiments, the supported peptides of the present invention are anti-VEGF peptides. In alternative particularly preferred embodiments, the anti-VEGF peptides are expressed on a scaffold protein. In some most preferred embodiments, the scaffold proteins is BBI.
    Type: Application
    Filed: November 8, 2004
    Publication date: September 15, 2005
    Inventors: Anthony Day, David Estell, Christopher Murray, Scott Power
  • Publication number: 20050202551
    Abstract: The present invention relates to novel protein variants that exhibit reduced allergenicity when compared to the parental proteins. Also included are DNA molecules that encode the novel variants, host cells comprising the DNA and methods of making proteins less allergenic.
    Type: Application
    Filed: May 12, 2005
    Publication date: September 15, 2005
    Inventors: David Estell, Grant Ganshaw, Fiona Harding, Edmund Larenas, Ayrookaran Poulose, Elizabeth Sikorski, Elliott Russell
  • Publication number: 20050202552
    Abstract: The present invention relates to novel protein variants that exhibit reduced allergenicity when compared to the parental proteins. Also included are DNA molecules that encode the novel variants, host cells comprising the DNA and methods of making proteins less allergenic.
    Type: Application
    Filed: May 12, 2005
    Publication date: September 15, 2005
    Inventors: David Estell, Grant Ganshaw, Fiona Harding, Edmund Larenas, Ayrookaran Poulose, Elizabeth Sikorski, Elliott Russell