Patents by Inventor Cristina Zanotti

Cristina Zanotti 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).

  • Hemp straw ash as a supplementary cementitious material
    Patent number: 10870603
    Abstract: Hemp straw is ground and burnt to result in hemp straw ash for making concrete. The hemp straw ash is mixed with water, cement, fine aggregate, coarse aggregate and superplasticizer using a two-step addition process to form a concrete mixture. The two-step addition process follows a specific order for the addition of the materials to a concrete mixer drum. Concrete made using the hemp straw ash is useful for lower-strength applications.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: December 22, 2020
    Assignee: Nextleaf Solutions Ltd.
    Inventors: Sudip Talukdar, Spencer Behn, Kumayl Aarifali Rashid, Farhad Pargar, Cristina Zanotti
  • Hemp straw ash as a supplementary cementitious material
    Publication number: 20200354272
    Abstract: Hemp straw is ground and burnt to result in hemp straw ash for making concrete. The hemp straw ash is mixed with water, cement, fine aggregate, coarse aggregate and superplasticizer using a two-step addition process to form a concrete mixture. The two-step addition process follows a specific order for the addition of the materials to a concrete mixer drum. Concrete made using the hemp straw ash is useful for lower-strength applications.
    Type: Application
    Filed: August 12, 2019
    Publication date: November 12, 2020
    Inventors: Sudip Talukdar, Spencer Behn, Kumayl Aarifali Rashid, Farhad Pargar, Cristina Zanotti