Patents by Inventor Rodolphe SAPEY-TRIOMPHE

Rodolphe SAPEY-TRIOMPHE 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: 20240092720
    Abstract: An anti-fouling composition, and uses thereof in the industrial preparation of ethylenically unsaturated monomers comprising at least one heteroatom, such as acrylic monomers are disclosed.
    Type: Application
    Filed: February 4, 2021
    Publication date: March 21, 2024
    Applicant: SPECIALTY OPERATIONS FRANCE
    Inventors: Jing Jiang, David Vanzin, Rodolphe Sapey-Triomphe, Shujing Cheng, Lars Fischer
  • Publication number: 20210387151
    Abstract: The present invention relates to new lightly colored prills of hydroquinone. More particularly, the invention provides a new method for preparing said lightly colored prills of hydroquinone. The invention also relates to said prills of hydroquinone obtained by said new method.
    Type: Application
    Filed: December 3, 2019
    Publication date: December 16, 2021
    Inventors: Rodolphe SAPEY-TRIOMPHE, Lars FISCHER, David VANZIN
  • Publication number: 20210292262
    Abstract: The present invention relates to a novel solid presentation form of a phenol derivative, characterized by a rounded portion and a flat portion. The compositions thus obtained have advantageous properties suitable for the storage, handling and flow of the compounds. The present invention also relates to a process for preparing these solids, and to the use thereof, in particular in the polymer and agri-food industries.
    Type: Application
    Filed: August 2, 2019
    Publication date: September 23, 2021
    Inventors: Rodolphe SAPEY-TRIOMPHE, Cédric HUMBLOT
  • Patent number: 11046631
    Abstract: The invention relates to a novel solid form of diphenol compound. A process for the preparation of diphenol prills having a spherical shape is disclosed. Said process comprising providing a molten composition comprising from 50 to 100 wt. % of a diphenol compound or a mixture of at least two diphenol compounds, and less than 0.1 wt. % of water; forcing said molten composition through at least one droplet generator means to form droplets; and cooling said droplets to form solid diphenol prills. The diphenol prills obtainable by said process are also one subject-matter of the invention.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: June 29, 2021
    Assignee: RHODIA OPERATIONS
    Inventors: Cédric Humblot, David Vanzin, Lars Fischer, Rodolphe Sapey-Triomphe
  • Publication number: 20200031749
    Abstract: The invention relates to a novel solid form of diphenol compound. A process for the preparation of diphenol prills having a spherical shape is disclosed. Said process comprising providing a molten composition comprising from 50 to 100 wt. % of a diphenol compound or a mixture of at least two diphenol compounds, and less than 0.1 wt. % of water; forcing said molten composition through at least one droplet generator means to form droplets; and cooling said droplets to form solid diphenol prills. The diphenol prills obtainable by said process are also one subject-matter of the invention.
    Type: Application
    Filed: February 21, 2018
    Publication date: January 30, 2020
    Inventors: Cédric HUMBLOT, David VANZIN, Lars FISCHER, Rodolphe SAPEY-TRIOMPHE