Patents by Inventor Andrew T. Lien

Andrew T. Lien 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).

  • ANTI-VIRAL DRY CLEANING PROCESS
    Publication number: 20230158184
    Abstract: Provided herein is a method of treating material that is contaminated with a virus, comprising exposing the material to vapor, wherein the vapor is produced by heating and/or vaporizing a dry cleaning solvent, and wherein the method at least partially deactivates the virus.
    Type: Application
    Filed: November 22, 2022
    Publication date: May 25, 2023
    Inventors: Ronald L. Benjamin, Andrew T. Lien, Timothy R. Maxwell
  • Anti-viral dry cleaning process
    Patent number: 11554188
    Abstract: Provided herein is a method of treating material that is contaminated with a virus, comprising exposing the material to vapor, wherein the vapor is produced by heating and/or vaporizing a dry cleaning solvent, and wherein the method at least partially deactivates the virus.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: January 17, 2023
    Assignee: GREENEARTH CLEANING, LLC
    Inventors: Ronald L. Benjamin, Andrew T. Lien, Timothy R. Maxwell
  • Anti-Viral Dry Cleaning Process
    Publication number: 20210346535
    Abstract: Provided herein is a method of treating material that is contaminated with a virus, comprising exposing the material to vapor, wherein the vapor is produced by heating and/or vaporizing a dry cleaning solvent, and wherein the method at least partially deactivates the virus.
    Type: Application
    Filed: April 30, 2021
    Publication date: November 11, 2021
    Inventors: Ronald L. Benjamin, Andrew T. Lien, Timothy R. Maxwell