Patents by Inventor Rafaella Oliveira Do Nascimento

Rafaella Oliveira Do Nascimento 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).

  • Chalcogen-grafted carbon materials and processes for their preparation
    Patent number: 11884547
    Abstract: Chalcogen-grafted carbon material as well as their functionalized forms are described along with processes for their preparation. More specifically, the chalcogen is covalently linked to the carbon scaffold of a polyaromatic carbon via C?X and/or C—X—C bonds. Processes for their preparation include a single thermal treatment without the use of strong acids or anhydrous solvents.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: January 30, 2024
    Assignee: Valorisation-Recherche, Limited Partnership
    Inventors: Richard Martel, Rafaella Oliveira Do Nascimento, Pierre Lévesque
  • CHALCOGENE-GRAFTED CARBON MATERIALS AND PROCESSES FOR THEIR PREPARATION
    Publication number: 20210179433
    Abstract: Chalcogen-grafted carbon material as well as their functionalized forms are described along with processes for their preparation. More specifically, the chalcogen is covalently linked to the carbon scaffold of a polyaromatic carbon via C?X and/or C—X—C bonds. Processes for their preparation include a single thermal treatment without the use of strong acids or anhydrous solvents.
    Type: Application
    Filed: August 23, 2019
    Publication date: June 17, 2021
    Inventors: Richard Martel, Rafaella Oliveira Do Nascimento, Pierre Lévesque