Patents by Inventor John E. Gavagan

John E. Gavagan 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).

  • Production of peracids using an enzyme having perhydrolysis activity
    Patent number: 8518675
    Abstract: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: August 27, 2013
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Robert DiCosimo, John E. Gavagan, Mark S. Payne, Frederick B. Cooling, III
  • Production of peracids using an enzyme having perhydrolysis activity
    Patent number: 8367728
    Abstract: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: February 5, 2013
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Robert DiCosimo, John E. Gavagan, Mark Payne, Frederick B. Cooling, III
  • PRODUCTION OF PERACIDS USING AN ENZYME HAVING PERHYDROLYSIS ACTIVITY
    Publication number: 20110195060
    Abstract: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydroiase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
    Type: Application
    Filed: April 15, 2011
    Publication date: August 11, 2011
    Inventors: ROBERT DICOSIMO, JOHN E. GAVAGAN, MARK S. PAYNE, FREDERICK B. COOLING, III
  • Production of peracids using an enzyme having perhydrolysis activity
    Patent number: 7964378
    Abstract: A method is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity derived from Bacillus sp. to produce peroxycarboxylic acids.
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: June 21, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Robert DiCosimo, John E. Gavagan, Mark S. Payne, Frederick B. Cooling, III
  • Production of peracids using an enzyme having perhydrolysis activity
    Patent number: 7951566
    Abstract: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
    Type: Grant
    Filed: May 2, 2007
    Date of Patent: May 31, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Robert DiCosimo, John E. Gavagan, Mark S. Payne, Frederick B. Cooling, III
  • PRODUCTION OF PERACIDS USING AN ENZYME HAVING PERHYDROLYSIS ACTIVITY
    Publication number: 20100168234
    Abstract: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
    Type: Application
    Filed: March 11, 2010
    Publication date: July 1, 2010
    Inventors: Robert Dicosimo, John E. Gavagan, Mark S. Payne, Frederick B. Cooling, III
  • PRODUCTION OF PERACIDS USING AN ENZYME HAVING PERHYDROLYSIS ACTIVITY
    Publication number: 20100168235
    Abstract: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
    Type: Application
    Filed: March 11, 2010
    Publication date: July 1, 2010
    Inventors: Robert Dicosimo, John E. Gavagan, Mark S. Payne, Frederick B. Cooling, III
  • PRODUCTION OF PERACIDS USING AN ENZYME HAVING PERHYDROLYSIS ACTIVITY
    Publication number: 20100168236
    Abstract: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
    Type: Application
    Filed: March 11, 2010
    Publication date: July 1, 2010
    Inventors: Robert Dicosimo, John E. Gavagan, Mark S. Payne, Frederick B. Cooling, III
  • PRODUCTION OF PERACIDS USING AN ENZYME HAVING PERHYDROLYSIS ACTIVITY
    Publication number: 20100168237
    Abstract: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
    Type: Application
    Filed: March 11, 2010
    Publication date: July 1, 2010
    Inventors: Robert Dicosimo, John E. Gavagan, Mark S. Payne, Frederick B. Cooling, III
  • Production of Peracids Using An Enzyme Having Perhydrolysis Activity
    Publication number: 20100152292
    Abstract: A method is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity derived from Bacillus sp. to produce peroxycarboxylic acids.
    Type: Application
    Filed: January 22, 2010
    Publication date: June 17, 2010
    Inventors: Robert DiCosimo, John E. Gavagan, Mark S. Payne, Frederick B. Cooling, III
  • Production Of Peracids Using An Enzyme Having Perhydrolysis Activity
    Publication number: 20100136639
    Abstract: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
    Type: Application
    Filed: August 10, 2009
    Publication date: June 3, 2010
    Inventors: Robert DiCosimo, John E. Gavagan
  • Production of peracids using an enzyme having perhydrolysis activity
    Patent number: 7723083
    Abstract: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: May 25, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Robert DiCosimo, John E. Gavagan, Mark S. Payne, Frederick B. Cooling, III
  • Production of peracids using an enzyme having perhydrolysis activity
    Publication number: 20100041752
    Abstract: A method is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity derived from Bacillus sp. to produce peroxycarboxylic acids.
    Type: Application
    Filed: December 12, 2006
    Publication date: February 18, 2010
    Applicant: E.I. DuPont de Nemours & Company
    Inventors: Robert DiCosimo, John E. Gavagan, Mark S. Payne, Frederick B. Cooling, III
  • Enzymatic Production Of Peracids Using Perhydrolytic Enzymes
    Publication number: 20100016429
    Abstract: A process is provided to produce a concentrated aqueous peracid solution in situ using at least one enzyme having perhydrolase activity in the presence of hydrogen peroxide (at a concentration of at least 500 mM) under neutral to acidic reaction conditions from suitable carboxylic acid esters (including glycerides) and/or amides substrates. The concentrated peracid solution produced is sufficient for use in a variety of disinfection and/or bleaching applications.
    Type: Application
    Filed: September 23, 2009
    Publication date: January 21, 2010
    Inventors: Robert DiCosimo, Mark S. Payne, Vincent Brian Croud, John E. Gavagan, Lorraine W. Wagner, Eugenia Costa Hann
  • Production Of Peracids Using An Enzyme Having Perhydrolysis Activity
    Publication number: 20090325266
    Abstract: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
    Type: Application
    Filed: July 2, 2009
    Publication date: December 31, 2009
    Inventors: Robert DiCosimo, John E. Gavagan, Mark S. Payne, Frederick B. Cooling, III
  • Production Of Peracids Using An Enzyme Having Perhydrolysis Activity
    Publication number: 20090311763
    Abstract: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
    Type: Application
    Filed: July 2, 2009
    Publication date: December 17, 2009
    Inventors: Robert DiCosimo, John E. Gavagan, Mark S. Payne, Frederick B. Cooling, III
  • Production Of Peracids Using An Enzyme Having Perhydrolysis Activity
    Publication number: 20090312420
    Abstract: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
    Type: Application
    Filed: July 2, 2009
    Publication date: December 17, 2009
    Inventors: Robert DiCosimo, John E. Gavagan, Mark S. Payne, Frederick B. Cooling, III
  • Production Of Peracids Using An Enzyme Having Perhydrolysis Activity
    Publication number: 20090305366
    Abstract: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
    Type: Application
    Filed: August 10, 2009
    Publication date: December 10, 2009
    Inventors: Robert DiCosimo, John E. Gavagan
  • Enzymatic production of peracids using perhydrolytic enzymes
    Patent number: 7612030
    Abstract: A process is provided to produce a concentrated aqueous peracid solution in situ using at least one enzyme having perhydrolase activity in the presence of hydrogen peroxide (at a concentration of at least 500 mM) under neutral to acidic reaction conditions from suitable carboxylic acid esters (including glycerides) and/or amides substrates. The concentrated peracid solution produced is sufficient for use in a variety of disinfection and/or bleaching applications.
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: November 3, 2009
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Robert DiCosimo, Mark S. Payne, Vincent Brian Croud, John E. Gavagan, Lorraine W. Wagner, Eugenia Costa Hann
  • Enzymatic Production Of Peracids Using Perhydrolytic Enzymes
    Publication number: 20090247631
    Abstract: A process is provided to produce a concentrated aqueous peracid solution in situ using at least one enzyme having perhydrolase activity in the presence of hydrogen peroxide (at a concentration of at least 500 mM) under neutral to acidic reaction conditions from suitable carboxylic acid esters (including glycerides) and/or amides substrates. The concentrated peracid solution produced is sufficient for use in a variety of disinfection and/or bleaching applications.
    Type: Application
    Filed: May 22, 2009
    Publication date: October 1, 2009
    Inventors: Robert DiCosimo, Mark S. Payne, Vincent Brian Croud, John E. Gavagan, Lorraine W. Wagner, Eugenia Costa Hann