Patents by Inventor Christopher STEVERMER

Christopher STEVERMER 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: 20240076236
    Abstract: Described herein is a rejuvenated asphalt and a method of rejuvenating asphalt comprising mixing a rejuvenator, bitumen, and aggregate to obtain an asphalt mixture, wherein the rejuvenator is present in an amount ranging from about 0.1-40 wt % by weight of the bitumen, and wherein at least 35 wt % of the bitumen is derived from recycled asphalt content. The rejuvenated asphalt provides desirable performance.
    Type: Application
    Filed: October 26, 2023
    Publication date: March 7, 2024
    Applicant: CARGILL, INCORPORATED
    Inventors: Todd KURTH, Scott NIVENS, Christopher STEVERMER, Anthony Joseph SYLVESTER, Hassan TABATABAEE
  • Patent number: 11827566
    Abstract: Described herein is a rejuvenated asphalt and a method of rejuvenating asphalt comprising mixing a rejuvenator, bitumen, and aggregate to obtain an asphalt mixture, wherein the rejuvenator is present in an amount ranging from about 0.1-40 wt % by weight of the bitumen, and wherein at least 35 wt % of the bitumen is derived from recycled asphalt content. The rejuvenated asphalt provides desirable performance.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: November 28, 2023
    Assignee: CARGILL, INCORPORATED
    Inventors: Todd Kurth, Scott Nivens, Christopher Stevermer, Anthony Joseph Sylvester, Hassan Tabatabaee
  • Publication number: 20210284574
    Abstract: Described herein is a rejuvenated asphalt and a method of rejuvenating asphalt comprising mixing a rejuvenator, bitumen, and aggregate to obtain an asphalt mixture, wherein the rejuvenator is present in an amount ranging from about 0.1-40 wt % by weight of the bitumen, and wherein at least 35 wt % of the bitumen is derived from recycled asphalt content. The rejuvenated asphalt provides desirable performance.
    Type: Application
    Filed: April 12, 2018
    Publication date: September 16, 2021
    Applicant: CARGILL, INCORPORATED
    Inventors: Todd KURTH, Scott NIVENS, Christopher STEVERMER, Anthony Joseph SYLVESTER, Hassan TABATABAEE