Patents by Inventor David D. McSherry

David D. McSherry 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: 11950595
    Abstract: Antimicrobial compositions including at least one acid and at least one anionic surfactant are provided. In particular, food contact antimicrobial compositions including at least one acid and at least one anionic surfactant provide a no-rinse compositions efficacious against Norovirus, having acceptable use solution pH that do not require use of personal protective equipment (PPE), are surface compatible and do not leave residues on treated surfaces are provided. Methods of cleaning a surface with the compositions are also provided.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: April 9, 2024
    Assignee: Ecolab USA Inc.
    Inventors: Catherine Hanson, Junzhong Li, David D. McSherry, Stacy Fawbush, Kaitlin Lake, Gerard Hinrichs, Joshua Luedtke, Richard Staub, Derrick Anderson
  • Patent number: 11937602
    Abstract: Antimicrobial compositions including at least one acid and at least one anionic surfactant are provided. In particular, food contact antimicrobial compositions including at least one acid and at least one anionic surfactant provide efficacious virucidal activity, including against Norovirus, having acceptable use solution pH that do not require use of personal protective equipment (PPE), are surface compatible and do not leave residues on treated surfaces. Methods of cleaning a surface with the compositions are also provided and may beneficially eliminate the need to rinse the antimicrobial compositions after use.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: March 26, 2024
    Assignee: ECOLAB USA INC.
    Inventors: Wendy Lo, Derrick Anderson, Erik Olson, Catherine Hanson, Junzhong Li, David D. McSherry, Stacy Fawbush, Kaitlin Lake, Gerard Hinrichs, Joshua Luedtke, Richard Staub
  • Patent number: 11827867
    Abstract: The present invention relates to novel sulfoperoxycarboxylic acid compounds, and methods for making and using them. The sulfoperoxycarboxylic compounds of the invention are storage stable, water soluble and have low to no odor. Further, the compounds of the present invention can be formed from non-petroleum based renewable materials. The compounds of the present invention can be used as antimicrobials, and bleaching agents. The compounds of the present invention are also suitable for use as coupling agents.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: November 28, 2023
    Assignee: ECOLAB USA INC.
    Inventors: Junzhong Li, Richard K. Staub, David D. McSherry, Keith G. LaScotte, Steven J. Lange, Frank Everts
  • Publication number: 20230337667
    Abstract: Methods of generating performic acid by contacting aqueous oxidizing agent and aqueous formic acid source in liquid phase are disclosed. A system and apparatus for the in situ production of the performic acid chemistries is further disclosed. In particular, a continuous flow reactor is provided to generate performic acid at variable rates. Methods of employing the oxidizing biocide for various disinfection applications are also disclosed.
    Type: Application
    Filed: June 30, 2023
    Publication date: October 26, 2023
    Inventors: Paul R. Kraus, Benjamin Crew, Junzhong Li, David D. McSherry, Ramakrishnan Balasubramanian, Richard Staub, Ariel Chatman Kleczewski, Minh Tran, Catherine Hanson, Irwan Yunus, Jeffery D. Breshears, Brian Paul Brunner
  • Patent number: 11771673
    Abstract: The present disclosure relates generally to peroxyformic acid forming compositions and methods for forming peroxyformic acid, preferably in situ, and peroxyformic acid formed by said compositions and methods for the purpose of treating an animal tissue and providing an antimicrobial function thereon. present disclosure in particular relates to a residue-free teat treatment composition for the treatment of an animal tissue, especially bovine teats, which provides antimicrobial efficacy and does not leave a non-food ingredient residue on treated teats.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: October 3, 2023
    Assignee: Ecolab USA Inc.
    Inventors: Junzhong Li, Alexander Thomas, Allison Prideaux, David D. McSherry, Joseph Morelli, Richard Staub
  • Publication number: 20230276800
    Abstract: Methods and systems for temperature-controlled, on-site generation of peracids, namely peroxycarboxylic acids and peroxycarboxylic acid forming compositions are disclosed. In particular, methods for using an adjustable biocide formulator or generator system overcome the limitations of temperature on the kinetics of the peracid generation and/or peracid decomposition inside an adjustable biocide formulator or generator system. The methods include the controlling of the temperature of at least one raw starting material, namely water, to improve upon methods of on-site generation of peracids. The methods allow for the generation of user-selected chemistry without regard to the ambient temperatures of the raw starting materials and/or the biocide formulator or generator system.
    Type: Application
    Filed: May 8, 2023
    Publication date: September 7, 2023
    Inventors: Brandon Herdt, Richard Staub, Thomas C. Rustad, Junzhong Li, David D. McSherry, Paul R. Kraus, Richard Walsh
  • Patent number: 11737460
    Abstract: Methods of generating performic acid by contacting aqueous oxidizing agent and aqueous formic acid source in liquid phase are disclosed. A system and apparatus for the in situ production of the performic acid chemistries is further disclosed. In particular, a continuous flow reactor is provided to generate performic acid at variable rates. Methods of employing the oxidizing biocide for various disinfection applications are also disclosed.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: August 29, 2023
    Assignee: Ecolab USA Inc.
    Inventors: Paul R. Kraus, Benjamin Crew, Junzhong Li, David D. McSherry, Ramakrishnan Balasubramanian, Richard Staub, Ariel Chatman Kleczewski, Minh Tran, Catherine Hanson, Irwan Yunus, Jeffery D. Breshears, Brian Paul Brunner
  • Patent number: 11678664
    Abstract: Methods and systems for temperature-controlled, on-site generation of peracids, namely peroxycarboxylic acids and peroxycarboxylic acid forming compositions are disclosed. In particular, methods for using an adjustable biocide formulator or generator system overcome the limitations of temperature on the kinetics of the peracid generation and/or peracid decomposition inside an adjustable biocide formulator or generator system. The methods include the controlling of the temperature of at least one raw starting material, namely water, to improve upon methods of on-site generation of peracids. The methods allow for the generation of user-selected chemistry without regard to the ambient temperatures of the raw starting materials and/or the biocide formulator or generator system.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: June 20, 2023
    Assignee: ECOLAB USA INC.
    Inventors: Brandon Herdt, Richard Staub, Thomas C. Rustad, Junzhong Li, David D. McSherry, Paul R. Kraus, Richard Walsh
  • Patent number: 11576378
    Abstract: Self-indicating chemistries are provided for visual detection by a user of efficacious levels of peroxycarboxylic acid concentrations in a solution produced in situ. The self-indicating chemistries include a combination of dyes providing a visual color indication, such as a tri-color indicator system, such as a yellow, green, and red color system indicating in situ threshold levels of peroxycarboxylic acid concentrations in a solution employing the self-indicating chemistry. Systems, kits and compositions for a quantitative assessment of an in situ perhydrolysis reaction to generate peroxycarboxylic acids are provided. Methods of use are further provided.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: February 14, 2023
    Assignee: Ecolab USA Inc.
    Inventors: David D. McSherry, Junzhong Li, Richard Staub
  • Publication number: 20230024364
    Abstract: The present invention relates to a concentrate composition and its use solution for disinfecting and cleaning hard surfaces. The concentrate composition and the use solution comprise an alkylamidopropyl betaine, amphoteric surfactants and biocidal active substances at a moderately alkaline pH. The inventive composition is suitable for disinfecting and cleaning hard surfaces, in particular hard surfaces in contact with food products, such as surfaces found in food processing, manual warewashing, food services and health care industries. Methods of applying and making such concentrate composition and use solution are also provided.
    Type: Application
    Filed: December 23, 2019
    Publication date: January 26, 2023
    Inventors: Sascha LOCHER, Jonathan Scott KILLEEN, Carmen CARDENAL PAC, Nathan D. Peitersen, Allison Prideaux, David D. McSherry
  • Publication number: 20220232827
    Abstract: Methods and systems for temperature-controlled, on-site generation of peracids, namely peroxycarboxylic acids and peroxycarboxylic acid forming compositions are disclosed. In particular, methods for using an adjustable biocide formulator or generator system overcome the limitations of temperature on the kinetics of the peracid generation and/or peracid decomposition inside an adjustable biocide formulator or generator system. The methods include the controlling of the temperature of at least one raw starting material, namely water, to improve upon methods of on-site generation of peracids. The methods allow for the generation of user-selected chemistry without regard to the ambient temperatures of the raw starting materials and/or the biocide formulator or generator system.
    Type: Application
    Filed: April 13, 2022
    Publication date: July 28, 2022
    Inventors: Brandon Herdt, Richard Staub, Thomas C. Rustad, Junzhong Li, David D. McSherry, Paul R. Kraus, Richard Walsh
  • Publication number: 20220154111
    Abstract: The present disclosure relates to rheology modified, low foaming aqueous antimicrobial compositions. The compositions are phase stable under acidic conditions, and do not need to be rinsed from the surface to which they are applied. The present disclosure further relates to methods of use thereof.
    Type: Application
    Filed: January 31, 2022
    Publication date: May 19, 2022
    Inventors: Junzhong Li, Steven J. Lange, Richard Staub, David D. McSherry
  • Patent number: 11330818
    Abstract: Methods and systems for temperature-controlled, on-site generation of peracids, namely peroxycarboxylic acids and peroxycarboxylic acid forming compositions are disclosed. In particular, methods for using an adjustable biocide formulator or generator system overcome the limitations of temperature on the kinetics of the peracid generation and/or peracid decomposition inside an adjustable biocide formulator or generator system. The methods include the controlling of the temperature of at least one raw starting material, namely water, to improve upon methods of on-site generation of peracids. The methods allow for the generation of user-selected chemistry without regard to the ambient temperatures of the raw starting materials and/or the biocide formulator or generator system.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: May 17, 2022
    Assignee: Ecolab USA Inc.
    Inventors: Brandon Herdt, Richard Staub, Thomas C. Rustad, Junzhong Li, David D. McSherry, Paul R. Kraus, Richard Walsh
  • Publication number: 20220071203
    Abstract: Low foaming, highly acidic peroxycarboxylic acid sanitizing compositions are disclosed as having both improved antimicrobial efficacy in comparison to conventional peroxyoctanoic acid and peroxyacetic acid compositions for sanitizing applications. The compositions include a combination of a low-foaming surfactant and an aluminum sulfate (or other metal salt) defoaming agent that is compatible with the highly acidic peroxycarboxylic acid sanitizing compositions. In particular, the sanitizing peroxycarboxylic acid compositions are also low odor and low/no VOC dual functioning acid wash and sanitizing compositions.
    Type: Application
    Filed: November 18, 2021
    Publication date: March 10, 2022
    Inventors: Junzhong Li, Richard Staub, David D. McSherry
  • Patent number: 11268049
    Abstract: The present disclosure relates to rheology modified, low foaming aqueous antimicrobial compositions. The compositions are phase stable under acidic conditions, and do not need to be rinsed from the surface to which they are applied. The present disclosure further relates to methods of use thereof.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: March 8, 2022
    Assignee: Ecolab USA Inc.
    Inventors: Junzhong Li, Steven J. Lange, Richard K. Staub, David D. McSherry
  • Patent number: 11260040
    Abstract: The present disclosure relates generally to peroxyformic acid forming compositions and methods for forming peroxyformic acid, preferably in situ, and peroxyformic acid formed by said compositions and methods for the purpose of treating an animal tissue and providing an antimicrobial function thereon. present disclosure in particular relates to a residue-free teat treatment composition for the treatment of an animal tissue, especially bovine teats, which provides antimicrobial efficacy and does not leave a non-food ingredient residue on treated teats.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: March 1, 2022
    Assignee: ECOLAB USA INC.
    Inventors: Junzhong Li, Alexander Thomas, Allison Prideaux, David D. McSherry, Joseph Morelli, Richard Staub
  • Publication number: 20220000828
    Abstract: The present disclosure relates generally to peroxyformic acid forming compositions and methods for forming peroxyformic acid, preferably in situ, and peroxyformic acid formed by said compositions and methods for the purpose of treating an animal tissue and providing an antimicrobial function thereon. present disclosure in particular relates to a residue-free teat treatment composition for the treatment of an animal tissue, especially bovine teats, which provides antimicrobial efficacy and does not leave a non-food ingredient residue on treated teats.
    Type: Application
    Filed: September 21, 2021
    Publication date: January 6, 2022
    Inventors: Junzhong Li, Alexander Thomas, Allison Prideaux, David D. McSherry, Joseph Morelli, Richard Staub
  • Patent number: 11206826
    Abstract: Low foaming, highly acidic peroxycarboxylic acid sanitizing compositions are disclosed as having both improved antimicrobial efficacy in comparison to conventional peroxyoctanoic acid and peroxyacetic acid compositions for sanitizing applications. The compositions include a combination of a low-foaming surfactant and an aluminum sulfate (or other metal salt) defoaming agent that is compatible with the highly acidic peroxycarboxylic acid sanitizing compositions. In particular, the sanitizing peroxycarboxylic acid compositions are also low odor and low/no VOC dual functioning acid wash and sanitizing compositions.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: December 28, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Junzhong Li, Richard Staub, David D. McSherry
  • Publication number: 20210317388
    Abstract: The present invention relates to novel sulfoperoxycarboxylic acid compounds, and methods for making and using them. The sulfoperoxycarboxylic compounds of the invention are storage stable, water soluble and have low to no odor. Further, the compounds of the present invention can be formed from non-petroleum based renewable materials. The compounds of the present invention can be used as antimicrobials, and bleaching agents. The compounds of the present invention are also suitable for use as coupling agents.
    Type: Application
    Filed: April 14, 2021
    Publication date: October 14, 2021
    Inventors: Junzhong Li, Richard K. Staub, David D. McSherry, Keith G. LaScotte, Steven J. Lange, Frank Everts
  • Publication number: 20210300839
    Abstract: Systems for quenching peroxycarboxylic acid and peroxide chemistry runaway reactions provide safe and efficacious systems to prevent uncontrolled runaway reactions, such as decomposition reactions, of peroxycarboxylic acid and peroxide chemistry compositions are disclosed. The systems provide prompt detection and dispensing of a stabilizer into a tank or other storage vessel containing a peroxide composition, peroxycarboxylic acid composition or a peroxycarboxylic acid-forming composition to stop a runaway reaction. Methods for quenching peroxide and peroxycarboxylic acid runaway reactions are also disclosed.
    Type: Application
    Filed: March 31, 2021
    Publication date: September 30, 2021
    Inventors: David Andrew Mack, David D. McSherry, John W. Bolduc, Curtis Edward Finney, Corey Rosenthal, Junzhong Li