Patents by Inventor Djassi-biko Rodrigues Pires

Djassi-biko Rodrigues Pires 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).

  • High surface area inducers for cementitious aggregates production
    Patent number: 11958774
    Abstract: Method and composition for producing aggregates from cement and concrete, including residual or returned concrete. Exemplary methods involve the use of an aggregate-forming inducer that provides a surface anchoring site for cement paste to bond/adhere, such as shredded news print, cardboard, or mixtures thereof, and also including fiber materials such as polymers, glass, and other material fibers. The aggregate-forming inducer is mixed with fresh concrete until aggregates are formed.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: April 16, 2024
    Assignee: GCP APPLIED TECHNOLOGIES INC.
    Inventors: Antonio J. Aldykiewicz, Jr., Klaus-Alexander Rieder, Michael D. Morgan, Djassi-biko Rodrigues Pires