Patents by Inventor Erin Dahlquist Howlett

Erin Dahlquist Howlett 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: 20230193167
    Abstract: Phosphorus-free detergent compositions are provided. Detergent compositions including an aminocarboxylate, water conditioning agent, source of alkalinity and water beneficially do not require the use of additional surfactants and/or polymers to provide suitable detergency and prevent scale build-up on treated surfaces. The detergent compositions are used with a sanitizer to employ the phosphorus-free detergent compositions for use as low temperature ware wash detergents that beneficially reduce scale build-up. Methods of employing the phosphorus-free detergent compositions are also provided.
    Type: Application
    Filed: February 14, 2023
    Publication date: June 22, 2023
    Inventors: Erin Dahlquist Howlett, Carter Martin Silvernail, Steven E. Lentsch, Terrence P. Everson
  • Patent number: 11603511
    Abstract: Phosphorus-free detergent compositions are provided. Detergent compositions including an aminocarboxylate, water conditioning agent, source of alkalinity and water beneficially do not require the use of additional surfactants and/or polymers to provide suitable detergency and prevent scale build-up on treated surfaces. The detergent compositions are used with a sanitizer to employ the phosphorus-free detergent compositions for use as low temperature ware wash detergents that beneficially reduce scale build-up. Methods of employing the phosphorus-free detergent compositions are also provided.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: March 14, 2023
    Assignee: Ecolab USA Inc.
    Inventors: Erin Dahlquist Howlett, Carter Martin Silvernail, Steven E. Lentsch, Terrence P. Everson
  • Publication number: 20210032575
    Abstract: Phosphorus-free detergent compositions are provided. Detergent compositions including an aminocarboxylate, water conditioning agent, source of alkalinity and water beneficially do not require the use of additional surfactants and/or polymers to provide suitable detergency and prevent scale build-up on treated surfaces. The detergent compositions are used with a sanitizer to employ the phosphorus-free detergent compositions for use as low temperature ware wash detergents that beneficially reduce scale build-up. Methods of employing the phosphorus-free detergent compositions are also provided.
    Type: Application
    Filed: October 20, 2020
    Publication date: February 4, 2021
    Inventors: Erin Dahlquist Howlett, Carter Martin Silvernail, Steven E. Lentsch, Terrence P. Everson
  • Patent number: 9944889
    Abstract: Caustic-free detergent compositions are provided. Detergent compositions including an aminocarboxylate, water conditioning agent, non-caustic source of alkalinity and water beneficially do not require the use of additional surfactants and/or polymers to provide suitable detergency and prevent scale build-up on treated surfaces. The detergent compositions are used with a sanitizer to employ the caustic-free detergent compositions are particularly suitable for use as low temperature ware wash detergents that beneficially reduce scale build-up. Methods of employing the caustic-free detergent compositions are also provided.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: April 17, 2018
    Assignee: Ecolab USA Inc.
    Inventors: Erin Dahlquist Howlett, Steven E. Lentsch, Terrence P. Everson, Carter Martin Silvernail
  • Publication number: 20170121656
    Abstract: Caustic-free detergent compositions are provided. Detergent compositions including an aminocarboxylate, water conditioning agent, non-caustic source of alkalinity and water beneficially do not require the use of additional surfactants and/or polymers to provide suitable detergency and prevent scale build-up on treated surfaces. The detergent compositions are used with a sanitizer to employ the caustic-free detergent compositions are particularly suitable for use as low temperature ware wash detergents that beneficially reduce scale build-up. Methods of employing the caustic-free detergent compositions are also provided.
    Type: Application
    Filed: January 11, 2017
    Publication date: May 4, 2017
    Inventors: Erin Dahlquist Howlett, Steven E. Lentsch, Terrence P. Everson, Carter Martin Silvernail