Patents by Inventor Barzin Keramati
Barzin Keramati 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).
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Patent number: 11135326Abstract: Stable, aqueous solutions of chlorine dioxide and methods for producing stable, aqueous solutions of chlorine dioxide are disclosed. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 1000 ppm by weight or less of total impurities and/or 10 ppm or less of manganese and iron combined. The aqueous chlorine dioxide solutions are storage stable for at least 90 days at 25° C. and maintain at least 75% of the initial chlorine dioxide concentration. Methods of preparing, using and transporting the chlorine dioxide solutions are also disclosed.Type: GrantFiled: January 30, 2017Date of Patent: October 5, 2021Assignee: CDG ENVIRONMETAL, LLCInventors: Thomas Ellsworth McWhorter, Aaron Rosenblatt, Robert Shay, Barzin Keramati, Peter Kazlas, Madhu Anand, John Peter Hobbs
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Publication number: 20170136137Abstract: Stable, aqueous solutions of chlorine dioxide and methods for producing stable, aqueous solutions of chlorine dioxide are disclosed. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 1000 ppm by weight or less of total impurities and/or 10 ppm or less of manganese and iron combined. The aqueous chlorine dioxide solutions are storage stable for at least 90 days at 25° C. and maintain at least 75% of the initial chlorine dioxide concentration. Methods of preparing, using and transporting the chlorine dioxide solutions are also disclosed.Type: ApplicationFiled: January 30, 2017Publication date: May 18, 2017Applicant: CDG ENVIRONMENTAL, LLCInventors: Thomas Ellsworth MCWORTER, Aaron ROSENBLATT, Robert SHAY, Barzin KERAMATI, Peter KAZLAS, Madhu ANAND, John Peter HOBBS
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Patent number: 9580317Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepared by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chloride and contacting the resulting chlorine dioxide gas with a liquid.Type: GrantFiled: August 12, 2015Date of Patent: February 28, 2017Assignee: CDG ENVIRONMENTAL, LLCInventors: Thomas Ellsworth McWhorter, Aaron Rosenblatt, Robert Shay, Barzin Keramati, Peter Kazlas, Madhu Anand, John Peter Hobbs
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Patent number: 9302911Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepared by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chlorite and contacting the resulting chlorine dioxide gas with a liquid.Type: GrantFiled: November 14, 2006Date of Patent: April 5, 2016Assignee: CDG Environmental, LLCInventors: Thomas Ellsworth McWhorter, Aaron Rosenblatt, Robert Shay, Barzin Keramati, Peter Kazlas, Madhu Anand, John Peter Hobbs
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Publication number: 20160058013Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepared by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chloride and contacting the resulting chlorine dioxide gas with a liquid.Type: ApplicationFiled: August 12, 2015Publication date: March 3, 2016Applicant: CDG Environmental, LLCInventors: Thomas Ellsworth McWhorter, Aaron Rosenblatt, Robert Shay, Barzin Keramati, Peter Kazlas, Madhu Anand, John Peter Hobbs
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Patent number: 9045339Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepare by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chlorite and contacting the resulting chlorine dioxide gas with a liquid.Type: GrantFiled: February 3, 2012Date of Patent: June 2, 2015Assignee: CDG ENVIORNMENTAL, LLCInventors: Thomas Ellsworth McWhorter, Peter Kazlas, Madhu Anand, John Peter Hobbs, Aaron A. Rosenblatt, Robert H. Shay, Barzin Keramati
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Patent number: 9045340Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepare by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chlorite and contacting the resulting chlorine dioxide gas with a liquid.Type: GrantFiled: February 3, 2012Date of Patent: June 2, 2015Assignee: CDG ENVIRONMENTAL, LLCInventors: Thomas Ellsworth McWhorter, Peter Kazlas, Madhu Anand, John Peter Hobbs, Aaron A. Rosenblatt, Robert H. Shay, Barzin Keramati
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Patent number: 9045341Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepare by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chlorite and contacting the resulting chlorine dioxide gas with a liquid.Type: GrantFiled: February 3, 2012Date of Patent: June 2, 2015Assignee: CDG ENVIRONMENTAL, LLCInventors: Thomas Ellsworth McWhorter, Peter Kazlas, Madhu Anand, John Peter Hobbs, Aaron A. Rosenblatt, Robert H. Shay, Barzin Keramati
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Patent number: 9045338Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepare by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chlorite and contacting the resulting chlorine dioxide gas with a liquid.Type: GrantFiled: February 3, 2012Date of Patent: June 2, 2015Assignee: CDG ENVIRONMENTAL, LLCInventors: Thomas Ellsworth McWhorter, Peter Kazlas, Madhu Anand, John Peter Hobbs, Aaron A. Rosenblatt, Robert H. Shay, Barzin Keramati
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Publication number: 20120201898Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepare by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chloride and contacting the resulting chlorine dioxide gas with a liquid.Type: ApplicationFiled: February 3, 2012Publication date: August 9, 2012Applicant: CDG Environmental, LLC.Inventors: Thomas Ellsworth McWhorter, Peter Kazlas, Madhu Anand, John Peter Hobbs, Aaron A. Rosenblatt, Robert H. Shay, Barzin Keramati
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Publication number: 20120201899Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepare by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chloride and contacting the resulting chlorine dioxide gas with a liquid.Type: ApplicationFiled: February 3, 2012Publication date: August 9, 2012Applicant: CDG Environmental, LLCInventors: Thomas Ellsworth McWhorter, Peter Kazlas, Madhu Anand, John Peter Hobbs, Aaron A. Rosenblatt, Robert H. Shay, Barzin Keramati
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Publication number: 20120135167Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepare by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chloride and contacting the resulting chlorine dioxide gas with a liquid.Type: ApplicationFiled: February 3, 2012Publication date: May 31, 2012Applicant: CDG Environmental, LLCInventors: Thomas Ellsworth McWhorter, Peter Kazlas, Madhu Anand, John Peter Hobbs, Aaron A. Rosenblatt, Robert H. Shay, Barzin Keramati
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Publication number: 20120131887Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepare by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chloride and contacting the resulting chlorine dioxide gas with a liquid.Type: ApplicationFiled: February 3, 2012Publication date: May 31, 2012Applicant: CDG Environmental, LLCInventors: Thomas Ellsworth McWhorter, Peter Kazlas, Madhu Anand, John Peter Hobbs, Aaron A. Rosenblatt, Robert H. Shay, Barzin Keramati
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Publication number: 20100209528Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepared by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chlorite and contacting the resulting chlorine dioxide gas with a liquid.Type: ApplicationFiled: November 14, 2006Publication date: August 19, 2010Applicant: CDG RESEARCH CORPORATIONInventors: Thomas Ellsworth McWhorter, Aaron Rosenblatt, Robert Shay, Barzin Keramati, Peter Kazlas, Madhu Anand
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Publication number: 20070183961Abstract: Gaseous mixture of chlorine dioxide and chlorine produced by reacting an inorganic acid with an aqueous solution of an alkali metal chlorate by controlled introduction of the inorganic acid into the aqueous solution of alkali metal chlorate. Inorganic acid passed through a volume of alkali metal chlorate flowing through a horizontal reactor in a plug flow regime results in an enhanced gaseous mixture of chlorine dioxide, chlorine and steam that can be withdrawn as a product stream.Type: ApplicationFiled: April 11, 2007Publication date: August 9, 2007Applicant: CDG RESEARCH CORPORATIONInventors: Thomas McWhorter, Aaron Rosenblatt, David Rosenblatt, Barzin Keramati
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Publication number: 20070178021Abstract: Gaseous mixture of chlorine dioxide and chlorine produced by reacting an inorganic acid with an aqueous solution of an alkali metal chlorate by controlled introduction of the inorganic acid into the aqueous solution of alkali metal chlorate. Inorganic acid passed through a volume of alkali metal chlorate flowing through a horizontal reactor in a plug flow regime results in an enhanced gaseous mixture of chlorine dioxide, chlorine and steam that can be withdrawn as a product stream.Type: ApplicationFiled: April 11, 2007Publication date: August 2, 2007Applicant: CDG RESEARCH CORPORATIONInventors: Thomas McWhorter, Aaron Rosenblatt, David Rosenblatt, Barzin Keramati
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Publication number: 20040258607Abstract: Method for producing stable sodium chlorite by pelletization of granular sodium chlorite with metal salt or salts forming hydrates with water of hydration in the pellets being more than 5% of the anhydrous weight of the sodium chlorite. Pelletized sodium chlorite can be used to produce chlorine dioxide gas by passing a dilute mixture of chlorine gas and an inert gas through a bed of the pellets.Type: ApplicationFiled: July 15, 2004Publication date: December 23, 2004Inventors: Aaron A. Rosenblatt, Thomas E. McWhorter, Nicholas Franco, Barzin Keramati
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Patent number: 6824756Abstract: Method for producing stable sodium chlorite by pelletization of granular sodium chlorite with metal salt or salts forming hydrates with water of hydration in the pellets being more than 5% of the anhydrous weight of the sodium chlorite. Pelletized sodium chlorite can be used to produce chlorine dioxide gas by passing a dilute mixture of chlorine gas and an inert gas through a bed of the pellets.Type: GrantFiled: May 17, 2002Date of Patent: November 30, 2004Assignee: CDG Technology, Inc.Inventors: Aaron A. Rosenblatt, Thomas E. McWhorter, Nicholas Franco, Barzin Keramati
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Publication number: 20030215381Abstract: Method for producing stable sodium chlorite by pelletization of granular sodium chlorite with metal salt or salts forming hydrates with water of hydration in the pellets being more than 5% of the anhydrous weight of the sodium chlorite. Pelletized sodium chlorite can be used to produce chlorine dioxide gas by passing a dilute mixture of chlorine gas and an inert gas through a bed of the pellets.Type: ApplicationFiled: May 17, 2002Publication date: November 20, 2003Inventors: Aaron A. Rosenblatt, Thomas E. McWhorter, Nicholas Franco, Barzin Keramati