Patents by Inventor Silvia Hoffmann

Silvia Hoffmann 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).

  • Process for reduction of asphaltenes from marine fuels
    Patent number: 12577485
    Abstract: A process dissolves or disperses asphaltenes from marine fuels by using at least one quaternary ammonium compound. A weight ratio of aromatics to asphaltenes in the marine fuel is not more than 7.0. A marine fuel is produced that includes saturates, aromatics, and asphaltenes in addition to at least one quaternary ammonium compound. Another process reduces or prevents fouling caused by asphaltenes in a marine fuel.
    Type: Grant
    Filed: October 11, 2022
    Date of Patent: March 17, 2026
    Assignee: BASF SE
    Inventors: Jochen Wagner, Silvia Hoffmann, Ingo Gottschling, Markus Hansch, Timo Baumgaertner
  • Process for reduction of asphaltenes from marine fuels
    Patent number: 12577489
    Abstract: A process dissolves or disperses asphaltenes from marine fuels by using at least one quaternary ammonium compound. A weight ratio of saturates to asphaltenes in the marine fuel is at least 4.0. A marine fuel is produced that includes saturates, aromatics, and asphaltenes in addition to at least one quaternary ammonium compound. Another process reduces or prevents fouling caused by asphaltenes in a marine fuel.
    Type: Grant
    Filed: October 11, 2022
    Date of Patent: March 17, 2026
    Assignee: BASF SE
    Inventors: Jochen Wagner, Silvia Hoffmann, Ingo Gottschling, Markus Hansch, Timo Baumgaertner
  • PROCESS FOR REDUCTION OF ASPHALTENES FROM MARINE FUELS
    Publication number: 20250236804
    Abstract: A process dissolves or disperses asphaltenes from marine fuels by using at least one quaternary ammonium compound. A weight ratio of saturates to asphaltenes in the marine fuel is at least 4.0. A marine fuel is produced that includes saturates, aromatics, and asphaltenes in addition to at least one quaternary ammonium compound. Another process reduces or prevents fouling caused by asphaltenes in a marine fuel.
    Type: Application
    Filed: October 11, 2022
    Publication date: July 24, 2025
    Applicant: BASF SE
    Inventors: Jochen Wagner, Silvia Hoffmann, Ingo Gottschling, Markus Hansch, Timo Baumgaertner
  • PROCESS FOR REDUCTION OF ASPHALTENES FROM MARINE FUELS
    Publication number: 20240417637
    Abstract: A process dissolves or disperses asphaltenes from marine fuels by using at least one quaternary ammonium compound. A weight ratio of aromatics to asphaltenes in the marine fuel is not more than 7.0. A marine fuel is produced that includes saturates, aromatics, and asphaltenes in addition to at least one quaternary ammonium compound. Another process reduces or prevents fouling caused by asphaltenes in a marine fuel.
    Type: Application
    Filed: October 11, 2022
    Publication date: December 19, 2024
    Applicant: BASF SE
    Inventors: Jochen Wagner, Silvia Hoffmann, Ingo Gottschling, Markus Hansch, Timo Baumgaertner