Patents by Inventor Rodney L. Klausmeyer

Rodney L. Klausmeyer 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: 20240025823
    Abstract: A method of producing carbon tetrachloride includes providing a chloromethanes stream, combining the chloromethanes stream with chlorine and additional carbon tetrachloride to form a reaction mixture, wherein the reaction mixture includes at least stoichiometric levels of chlorine, introducing electromagnetic radiation to the reaction mixture and subjecting the reaction mixture to suitable reaction conditions to form product carbon tetrachloride, and collecting a product stream including the product carbon tetrachloride.
    Type: Application
    Filed: October 3, 2023
    Publication date: January 25, 2024
    Inventors: Robert L. ZELLER, III, Darrell G. HOLLIS, Keith S. KRAMER, Brian CALDERWOOD, Rodney L. KLAUSMEYER, John L. DAWKINS
  • Patent number: 11780792
    Abstract: A method of producing carbon tetrachloride includes providing a chloromethanes stream, combining the chloromethanes stream with chlorine and additional carbon tetrachloride to form a reaction mixture, wherein the reaction mixture includes at least stoichiometric levels of chlorine, introducing electromagnetic radiation to the reaction mixture and subjecting the reaction mixture to suitable reaction conditions to form product carbon tetrachloride, and collecting a product stream including the product carbon tetrachloride.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: October 10, 2023
    Assignee: Occidental Chemical Corporation
    Inventors: Robert L. Zeller, III, Darrell G. Hollis, Keith S. Kramer, Brian Calderwood, Rodney L. Klausmeyer, John L. Dawkins
  • Publication number: 20230202952
    Abstract: A method of producing carbon tetrachloride, the method comprising the step of reacting chlorine with chloroform in the presence of electromagnetic radiation within a reaction mixture that includes the chlorine, the chloroform, and carbon tetrachloride, where the concentration of chloroform is less than 5000 ppm by weight relative to the weight of the reaction mixture, where the reaction mixture includes at least stoichiometric levels of chlorine relative to chloroform, where the electromagnetic radiation creates chloride radicals, and where the reaction mixture is well mixed.
    Type: Application
    Filed: February 19, 2023
    Publication date: June 29, 2023
    Inventors: Robert L. ZELLER, Darrell HOLLIS, Keith S. KRAMER, Brian CALDERWOOD, Rodney L. KLAUSMEYER
  • Patent number: 11584703
    Abstract: A method of producing carbon tetrachloride, the method comprising the step of reacting chlorine with chloroform in the presence of electromagnetic radiation within a reaction mixture that includes the chlorine, the chloroform, and carbon tetrachloride, where the concentration of chloroform is less than 5000 ppm by weight relative to the weight of the reaction mixture, where the reaction mixture includes at least stoichiometric levels of chlorine relative to chloroform, where the electromagnetic radiation creates chloride radicals, and where the reaction mixture is well mixed.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: February 21, 2023
    Assignee: OCCIDENTAL CHEMICAL CORPORATION
    Inventors: Robert L. Zeller, Darrell Hollis, Keith S. Kramer, Brian Calderwood, Rodney L. Klausmeyer
  • Patent number: 11565988
    Abstract: A process for the manufacture of 1,1,3,3-tetrachloropropene, the process comprising dehydrochlorinating 1,1,1,3,3-pentachloropropane, where said step of dehydrochlorinating 1,1,1,3,3-pentachloropropane takes place in the presence of an oxidizing agent and in the presence of a Lewis acid, and where the oxidizing agent is chlorine and the Lewis acid is ferric chloride.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: January 31, 2023
    Assignee: Occidental Chemical Corporation
    Inventors: Rodney L. Klausmeyer, Darrell G. Hollis, Keith S. Kramer, John L. Dawkins, Derrek Rae Burrows
  • Patent number: 11466103
    Abstract: A method for providing particles of polyvinyl chloride, wherein the particles offer improved chlorinating efficiency, the method comprising (i) providing polyvinyl chloride particles; and (ii) introducing a chlorination accelerant to the polyvinyl chloride particles to thereby provide polyvinyl chloride particles having an accelerant associated therewith.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: October 11, 2022
    Assignee: Oxy Vinyls, LP
    Inventors: Keith S. Kramer, Lance Mayer, Rodney L. Klausmeyer
  • Publication number: 20220119326
    Abstract: A method of producing carbon tetrachloride includes providing a chloromethanes stream, combining the chloromethanes stream with chlorine and additional carbon tetrachloride to form a reaction mixture, wherein the reaction mixture includes at least stoichiometric levels of chlorine, introducing electromagnetic radiation to the reaction mixture and subjecting the reaction mixture to suitable reaction conditions to form product carbon tetrachloride, and collecting a product stream including the product carbon tetrachloride.
    Type: Application
    Filed: January 10, 2020
    Publication date: April 21, 2022
    Inventors: Robert L. ZELLER, III, Darrell G. HOLLIS, Keith S. KRAMER, Brian CALDERWOOD, Rodney L. KLAUSMEYER, John L. DAWKINS
  • Publication number: 20210387932
    Abstract: A process for the manufacture of 1,1,3,3-tetrachloropropene, the process comprising dehydrochlorinating 1,1,1,3,3-pentachloropropane, where said step of dehydrochlorinating 1,1,1,3,3-pentachloropropane takes place in the presence of an oxidizing agent and in the presence of a Lewis acid, and where the oxidizing agent is chlorine and the Lewis acid is ferric chloride.
    Type: Application
    Filed: August 27, 2021
    Publication date: December 16, 2021
    Inventors: Rodney L. KLAUSMEYER, Darrell G. HOLLIS, Keith S. KRAMER, John L. DAWKINS, Derrek Rae BURROWS
  • Patent number: 11104627
    Abstract: A process for the manufacture of 1,1,3,3-tetrachloropropene, the process comprising dehydrochlorinating 1,1,1,3,3-pentachloropropane.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: August 31, 2021
    Assignee: Occidental Chemical Corporation
    Inventors: Rodney L. Klausmeyer, Darrell G. Hollis, Keith S. Kramer, John L. Dawkins, Derrek Rae Burrows
  • Publication number: 20210009491
    Abstract: A method of producing carbon tetrachloride, the method comprising the step of reacting chlorine with chloroform in the presence of electromagnetic radiation within a reaction mixture that includes the chlorine, the chloroform, and carbon tetrachloride, where the concentration of chloroform is less than 5000 ppm by weight relative to the weight of the reaction mixture, where the reaction mixture includes at least stoichiometric levels of chlorine relative to chloroform, where the electromagnetic radiation creates chloride radicals, and where the reaction mixture is well mixed.
    Type: Application
    Filed: September 28, 2020
    Publication date: January 14, 2021
    Inventors: Robert L. ZELLER, Darrell HOLLIS, Keith S. KRAMER, Brian CALDERWOOD, Rodney L. KLAUSMEYER
  • Patent number: 10787403
    Abstract: Methods for the manufacture of 1,1,1,2,3-pentachloropropane from 1,1,1,3-tetrachloropropane and chlorine are disclosed. Improved methods are provided for the manufacture of 1,1,2,3-tetrachloropropene from 1,1,1,2,3-pentachloropropane. Methods are also disclosed for the manufacture of 1,1,2,3-tetrachloropropene from 1,1,1,3-tetrachloropropane and chlorine and for the manufacture of 1,1,2,3-tetrachloropropene from carbon tetrachloride, ethylene, and chlorine.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: September 29, 2020
    Assignee: Occidental Chemical Corporation
    Inventors: Richard L. Wilson, Rodney L. Klausmeyer, John Lee Dawkins, Daniel D. Rohrback, James S. Strathe, Lloyd B. Branam
  • Patent number: 10787405
    Abstract: A method of producing carbon tetrachloride, the method comprising the step of reacting chlorine with chloroform in the presence of electromagnetic radiation within a reaction mixture that includes the chlorine, the chloroform, and carbon tetrachloride, where the concentration of chloroform is less than 5000 ppm by weight relative to the weight of the reaction mixture, where the reaction mixture includes at least stoichiometric levels of chlorine relative to chloroform, where the electromagnetic radiation creates chloride radicals, and where the reaction mixture is well mixed.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: September 29, 2020
    Assignee: Occidental Chemical Corporation
    Inventors: Robert L. Zeller, Darrell Hollis, Keith S. Kramer, Brian Calderwood, Rodney L. Klausmeyer
  • Publication number: 20200181047
    Abstract: A process for the manufacture of 1,1,3,3-tetrachloropropene, the process comprising dehydrochlorinating 1,1,1,3,3-pentachloropropane.
    Type: Application
    Filed: February 17, 2020
    Publication date: June 11, 2020
    Inventors: Rodney L. KLAUSMEYER, Darrell G. HOLLIS, Keith S. KRAMER, John L. DAWKINS, Derrek Rae BURROWS
  • Publication number: 20200109097
    Abstract: Methods for the manufacture of 1,1,1,2,3-pentachloropropane from 1,1,1,3-tetrachloropropane and chlorine are disclosed. Improved methods are provided for the manufacture of 1,1,2,3-tetrachloropropene from 1,1,1,2,3-pentachloropropane. Methods are also disclosed for the manufacture of 1,1,2,3-tetrachloropropene from 1,1,1,3-tetrachloropropane and chlorine and for the manufacture of 1,1,2,3-tetrachloropropene from carbon tetrachloride, ethylene, and chlorine.
    Type: Application
    Filed: December 5, 2019
    Publication date: April 9, 2020
    Inventors: Richard L. WILSON, Rodney L. KLAUSMEYER, John Lee DAWKINS, Daniel D. ROHRBACK, James S. STRATHE, Lloyd B. BRANAM
  • Patent number: 10562832
    Abstract: A process for the manufacture of 1,1,3,3-tetrachloropropene, the process comprising dehydrochlorinating 1,1,1,3,3-pentachloropropane.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: February 18, 2020
    Assignee: Occidental Chemical Corporation
    Inventors: Rodney L. Klausmeyer, Darrell G. Hollis, Keith S. Kramer, John L. Dawkins, Derrek Rae Burrows
  • Patent number: 10526261
    Abstract: Methods for the manufacture of 1,1,1,2,3-pentachloropropane from 1,1,1,3-tetrachloropropane and chlorine are disclosed. Improved methods are provided for the manufacture of 1,1,2,3-tetrachloropropene from 1,1,1,2,3-pentachloropropane. Methods are also disclosed for the manufacture of 1,1,2,3-tetrachloropropene from 1,1,1,3-tetrachloropropane and chlorine and for the manufacture of 1,1,2,3-tetrachloropropene from carbon tetrachloride, ethylene, and chlorine.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: January 7, 2020
    Assignee: Occidental Chemical Corporation
    Inventors: Richard L. Wilson, Rodney L. Klausmeyer, John Lee Dawkins, Daniel D. Rohrback, James S. Strathe, Lloyd B. Branam
  • Patent number: 10487157
    Abstract: A method for chlorinating polyvinyl chloride, the method comprising providing polyvinyl chloride particles having a chlorination accelerant associated therewith, where the particles are suspended in water; and chlorinating the polyvinyl chloride particles having a chlorination accelerant associated therewith.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: November 26, 2019
    Assignee: Oxy Vinyls, LP
    Inventors: Keith S. Kramer, Lance Mayer, Rodney L. Klausmeyer
  • Publication number: 20190308918
    Abstract: A method of producing carbon tetrachloride, the method comprising the step of reacting chlorine with chloroform in the presence of electromagnetic radiation within a reaction mixture that includes the chlorine, the chloroform, and carbon tetrachloride, where the concentration of chloroform is less than 5000 ppm by weight relative to the weight of the reaction mixture, where the reaction mixture includes at least stoichiometric levels of chlorine relative to chloroform, where the electromagnetic radiation creates chloride radicals, and where the reaction mixture is well mixed.
    Type: Application
    Filed: June 30, 2017
    Publication date: October 10, 2019
    Inventors: Robert L. ZELLER, Darrell HOLLIS, Keith S. KRAMER, Brian CALDERWOOD, Rodney L. KLAUSMEYER
  • Patent number: 10207970
    Abstract: Processes for isolating 1,1,1,2,3-pentachloropropane from a crude product stream containing the 1,1,1,2,3-pentachloropropane and ferric chloride. The processes may include deep distillation of the crude, treatment of the crude with a reagent that deactivates the ferric chloride followed by distillation on the deactivated crude stream, aqueous washing of the crude product stream to remove ferric chloride followed by distillation on the deactivated crude stream. Other embodiments simultaneously prepare 1,1,2,3-tetrachloroprene and 1,1,1,2,3-pentachloroprane.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: February 19, 2019
    Assignee: Occidental Chemical Corporation
    Inventors: John Lee Dawkins, Darrell G Hollis, Rodney L Klausmeyer, Keith S Kramer, Michael A Garmon
  • Publication number: 20180265438
    Abstract: Methods for the manufacture of 1,1,1,2,3-pentachloropropane from 1,1,1,3-tetrachloropropane and chlorine are disclosed. Improved methods are provided for the manufacture of 1,1,2,3-tetrachloropropene from 1,1,1,2,3-pentachloropropane. Methods are also disclosed for the manufacture of 1,1,2,3-tetrachloropropene from 1,1,1,3-tetrachloropropane and chlorine and for the manufacture of 1,1,2,3-tetrachloropropene from carbon tetrachloride, ethylene, and chlorine.
    Type: Application
    Filed: May 16, 2018
    Publication date: September 20, 2018
    Inventors: Richard L. WILSON, Rodney L. KLAUSMEYER, John Lee DAWKINS, Daniel D. ROHRBACK, James S. STRATHE, Lloyd B. BRANAM