Patents by Inventor Walter Callen

Walter Callen 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).

  • Amylases, Nucleic Acids Encoding Them and Methods for Making and Using Them
    Publication number: 20200085070
    Abstract: In one aspect, the invention is directed to polypeptides having an amylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of the invention can be used as amylases, for example, alpha amylases, to catalyze the hydrolysis of starch into sugars. In one aspect, the invention provides delayed release compositions comprising a desired ingredient coated by a latex polymer coating.
    Type: Application
    Filed: February 15, 2019
    Publication date: March 19, 2020
    Inventors: Walter CALLEN, Toby RICHARDSON, Gerhard FREY, Kevin A. GRAY, Janne S. KEROVUO, Malgorzata SLUPSKA, Nelson R. BARTON, Eileen O'DONOGHUE, Carl MILLER
  • Enzymes Having Alpha Amylase Activity and Methods of Making and Using Them
    Publication number: 20180334660
    Abstract: The invention relates to alpha amylases and to polynucleotides encoding the alpha amylases. In addition, methods of designing new alpha amylases and methods of use thereof are also provided. The alpha amylases have increased activity and stability at acidic, neutral and alkaline pH and increased temperature.
    Type: Application
    Filed: August 2, 2018
    Publication date: November 22, 2018
    Inventors: Walter CALLEN, Toby RICHARDSON, Gerhard FREY, Jay M. SHORT, Eric J. MATHUR, Kevin A. Gray, Janne S. KEROVUO, Malgorzata SLUPSKA
  • Amylases, nucleic acids encoding them and method of producing an oil
    Patent number: 10066222
    Abstract: In one aspect, the invention is directed to polypeptides having an amylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of the invention can be used as amylases, for example, alpha amylases, to catalyze the hydrolysis of starch into sugars.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: September 4, 2018
    Assignee: BASF ENZYMES LLC
    Inventors: Walter Callen, Toby Richardson, Gerhard Frey, Carl A. Miller, Martin Kazaoka, Eric J. Mathur, Jay M. Short
  • Enzymes having alpha amylase activity and methods of making and using them
    Patent number: 10047350
    Abstract: The invention relates to alpha amylases and to polynucleotides encoding the alpha amylases. In addition methods of designing new alpha amylases and methods of use thereof are also provided. The alpha amylases have increased activity and stability at acidic, neutral and alkaline pH and increased temperature.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: August 14, 2018
    Assignee: BASF Enzymes LLC
    Inventors: Walter Callen, Toby Richardson, Gerhard Frey, Jay M. Short, Eric J. Mathur, Kevin A. Gray, Janne S. Kerovuo, Malgorzata Slupska
  • AMYLASES, NUCLEIC ACIDS ENCODING THEM AND METHODS FOR MAKING AND USING THEM
    Publication number: 20170306308
    Abstract: In one aspect, the invention is directed to polypeptides having an amylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of the invention can be used as amylases, for example, alpha amylases, to catalyze the hydrolysis of starch into sugars.
    Type: Application
    Filed: June 28, 2017
    Publication date: October 26, 2017
    Inventors: WALTER CALLEN, TOBY RICHARDSON, GERHARD FREY, CARL A. MILLER, MARTIN KAZAOKA, ERIC J. MATHUR, JAY M. SHORT
  • Xylanases, nucleic acids encoding them and methods for making and using them
    Patent number: 9765319
    Abstract: The invention relates to xylanases and to polynucleotides encoding the xylanases. In addition, methods of designing new xylanases and methods of use thereof are also provided. The xylanases have increased activity and stability at increased pH and temperature.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: September 19, 2017
    Assignee: BP Corporation North America Inc.
    Inventors: Brian Steer, Walter Callen, Shaun Healey, Geoff Hazlewood, Di Wu, David Blum, Alireza Esteghlalian
  • Amylases, nucleic acids encoding them and methods for making and using them
    Patent number: 9701950
    Abstract: In one aspect, the invention is directed to polypeptides having an amylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of the invention can be used as amylases, for example, alpha amylases, to catalyze the hydrolysis of starch into sugars.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: July 11, 2017
    Assignee: BASF Enzymes LLC
    Inventors: Walter Callen, Toby Richardson, Gerhard Frey, Carl A. Miller, Martin Kazaoka, Eric J. Mathur, Jay M. Short
  • ENZYMES HAVING ALPHA AMYLASE ACTIVITY AND METHODS OF MAKING AND USING THEM
    Publication number: 20160264951
    Abstract: The invention relates to alpha amylases and to polynucleotides encoding the alpha amylases. In addition methods of designing new alpha amylases and methods of use thereof are also provided. The alpha amylases have increased activity and stability at acidic, neutral and alkaline pH and increased temperature.
    Type: Application
    Filed: April 22, 2016
    Publication date: September 15, 2016
    Inventors: WALTER CALLEN, TOBY RICHARDSON, GERHARD FREY, JAY M. SHORT, ERIC J. MATHUR, KEVIN A. GRAY, JANNE S. KEROVUO, MALGORZATA SLUPSKA
  • AMYLASES, NUCLEIC ACIDS ENCODING THEM AND METHODS FOR MAKING AND USING THEM
    Publication number: 20150252341
    Abstract: In one aspect, the invention is directed to polypeptides having an amylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of the invention can be used as amylases, for example, alpha amylases, to catalyze the hydrolysis of starch into sugars.
    Type: Application
    Filed: May 22, 2015
    Publication date: September 10, 2015
    Inventors: WALTER CALLEN, TOBY RICHARDSON, GERHARD FREY, CARL A. MILLER, MARTIN KAZAOKA, ERIC J. MATHUR, JAY M. SHORT
  • Recombinant polypeptides
    Patent number: 9062295
    Abstract: In one aspect, the invention is directed to polypeptides having an amylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of the invention can be used as amylases, for example, alpha amylases, to catalyze the hydrolysis of starch into sugars.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: June 23, 2015
    Assignee: BASF Enzymes LLC
    Inventors: Walter Callen, Toby Richardson, Gerhard Frey, Carl A. Miller, Martin Kazaoka, Eric J. Mathur, Jay M. Short
  • Xylanases, nucleic acids encoding them and methods for making and using them
    Patent number: 8728769
    Abstract: The invention relates to xylanases and to polynucleotides encoding the xylanases. In addition, methods of designing new xylanases and methods of use thereof are also provided. The xylanases have increased activity and stability at increased pH and temperature.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: May 20, 2014
    Assignee: BP Corporation North America Inc.
    Inventors: Brian Steer, Walter Callen, Shaun Healey, Geoff Hazlewood, Di Wu, David Blum, Alireza Esteghlalian
  • Xylanases, Nucleic Acids Encoding Them and Methods for Making and Using Them
    Publication number: 20130337507
    Abstract: The invention relates to xylanases and to polynucleotides encoding the xylanases. In addition, methods of designing new xylanases and methods of use thereof are also provided. The xylanases have increased activity and stability at increased pH and temperature.
    Type: Application
    Filed: March 15, 2013
    Publication date: December 19, 2013
    Applicants: Verenium Corporation, BP Corporation North America Inc.
    Inventors: Brian Steer, Walter Callen, Shaun Healey, Geoff Hazlewood, Di Wu, David Blum, Alireza Esteghlalian
  • Amylases, Nucleic Acids Encoding Them and Methods for Making and Using Them
    Publication number: 20130231471
    Abstract: In one aspect, the invention is directed to polypeptides having an amylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of the invention can be used as amylases, for example, alpha amylases, to catalyze the hydrolysis of starch into sugars.
    Type: Application
    Filed: November 6, 2012
    Publication date: September 5, 2013
    Applicant: VERENIUM CORPORATION
    Inventors: Walter Callen, Toby Richardson, Gerhard Frey, Carl A. Miller, Martin Kazaoka, Eric J. Mathur, Jay M. Short
  • Amylases and methods for use in starch processing
    Patent number: 8338131
    Abstract: In one aspect, the invention is directed to polypeptides having an amylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of the invention can be used as amylases, for example, alpha amylases, to catalyze the hydrolysis of starch into sugars.
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: December 25, 2012
    Assignee: Verenium Corporation
    Inventors: Walter Callen, Toby Richardson, Gerhard Frey, Carl Miller, Martin Kazaoka, Eric Mathur, Jay Short
  • Enzymes having alpha amylase activity and methods of making and using them
    Patent number: 8334118
    Abstract: The invention relates to alpha amylases and to polynucleotides and polypeptides encoding the alpha amylases. In addition, methods of using the alpha amylases are also provided. The alpha amylases have increased activity and stability at acidic, neutral and alkaline pH and at increased temperatures.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: December 18, 2012
    Assignee: Verenium Corporation
    Inventors: Walter Callen, Toby Richardson, Gerhard Frey, Jay M. Short, Eric J. Mathur, Kevin A. Gray, Janne S. Kerovuo, Malgorzata Slupska
  • AMYLASES, NUCLEIC ACIDS ENCODING THEM AND METHODS FOR MAKING AND USING THEM
    Publication number: 20120237981
    Abstract: In one aspect, the invention is directed to polypeptides having an amylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of the invention can be used as amylases, for example, alpha amylases, to catalyze the hydrolysis of starch into sugars. In one aspect, the invention provides delayed release compositions comprising a desired ingredient coated by a latex polymer coating.
    Type: Application
    Filed: May 29, 2012
    Publication date: September 20, 2012
    Applicant: VERENIUM CORPORATION
    Inventors: WALTER CALLEN, TOBY RICHARDSON, GERHARD FREY, KEVIN GRAY, JANNE S. KEROVUO, MALGORZATA SLUPSKA, NELSON BARTON, EILEEN O'DONOGHUE, CARL MILLER
  • Amylases, nucleic acids encoding them and methods for making and using them
    Patent number: 8222035
    Abstract: In one aspect, the invention is directed to polypeptides having an amylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of the invention can be used as amylases, for example, alpha amylases, to catalyze the hydrolysis of starch into sugars. In one aspect, the invention provides delayed release compositions comprising an desired ingredient coated by a latex polymer coating.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: July 17, 2012
    Assignee: Verenium Corporation
    Inventors: Walter Callen, Toby Richardson, Gerhard Frey, Kevin A. Gray, Janne S. Kerovuo, Malgorzata Slupska, Nelson R. Barton, Eileen O'Donoghue, Carl Miller
  • GLUCANASES, NUCLEIC ACIDS ENCODING THEM AND METHODS FOR MAKING AND USING THEM
    Publication number: 20120021490
    Abstract: The invention relates to polypeptides having glucanase, e.g., endoglucanase, mannanase, xylanase activity or a combination of these activities, and polynucleotides encoding them. In one aspect, the glucanase activity is an endoglucanase activity (e.g., endo-1,4-beta-D-glucan 4-glucano hydrolase activity) and comprises hydrolysis of 1,4-beta-D-glycosidic linkages in cellulose, cellulose derivatives (e.g., carboxy methyl cellulose and hydroxy ethyl cellulose) lichenin, beta-1,4 bonds in mixed beta-1,3 glucans, such as cereal beta-D-glucans or xyloglucans and other plant material containing cellulosic parts. In addition, methods of designing new enzymes and methods of use thereof are also provided. In alternative aspects, the new glucanases e.g., endoglucanases, mannanases, xylanases have increased activity and stability at increased pH and temperature.
    Type: Application
    Filed: June 9, 2011
    Publication date: January 26, 2012
    Applicants: Syngenta Participations AG, Verenium Corporation
    Inventors: Brian Steer, Walter Callen, Shaun Healey, Derrick Pulliam
  • POLYMERASE
    Publication number: 20110195479
    Abstract: The invention relates to thermostable polymerases that have polymerase activity temperatures in the range from 90.degree. C. up to 113.degree. C., such as those derived from Pyrolobus fumaria, and to polynucleotides encoding the polymerases In addition, methods of designing new thermostable DNA polymerases and methods of use thereof are also provided. The polymerases have increased activity and stability at increased pH and temperature.
    Type: Application
    Filed: July 2, 2010
    Publication date: August 11, 2011
    Applicant: VERENIUM CORPORATION
    Inventors: WALTER CALLEN, ERIC J. MATHUR
  • AMYLASES, NUCLEIC ACIDS ENCODING THEM AND METHODS FOR MAKING AND USING THEM
    Publication number: 20110171693
    Abstract: In one aspect, the invention is directed to polypeptides having an amylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of the invention can be used as amylases, for example, alpha amylases, to catalyze the hydrolysis of starch into sugars. In one aspect, the invention provides delayed release compositions comprising an desired ingredient coated by a latex polymer coating.
    Type: Application
    Filed: June 24, 2010
    Publication date: July 14, 2011
    Applicant: VERENIUM CORPORATION
    Inventors: WALTER CALLEN, TOBY RICHARDSON, GERHARD FREY, KEVIN A. GRAY, JANNE S. KEROVUO, MALGORZATA SLUPSKA, NELSON R. BARTON, EILEEN O'DONOGHUE, CARL MILLER