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公开(公告)号:US20240092720A1
公开(公告)日:2024-03-21
申请号:US18264213
申请日:2021-02-04
Applicant: SPECIALTY OPERATIONS FRANCE
Inventor: Jing Jiang , David Vanzin , Rodolphe Sapey-Triomphe , Shujing Cheng , Lars Fischer
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.
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公开(公告)号:US12251677B2
公开(公告)日:2025-03-18
申请号:US17295691
申请日:2019-12-03
Applicant: SPECIALTY OPERATIONS FRANCE
Inventor: Rodolphe Sapey-Triomphe , Lars Fischer , David Vanzin
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.
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公开(公告)号:US12145902B2
公开(公告)日:2024-11-19
申请号:US17266238
申请日:2019-08-02
Applicant: SPECIALTY OPERATIONS FRANCE
Inventor: Rodolphe Sapey-Triomphe , Cédric Humblot
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.
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公开(公告)号:US20250161898A1
公开(公告)日:2025-05-22
申请号:US19030470
申请日:2025-01-17
Applicant: SPECIALTY OPERATIONS FRANCE
Inventor: Rodolphe Sapey-Triomphe , Lars Fischer , David Vanzin
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.
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公开(公告)号:US20240351971A1
公开(公告)日:2024-10-24
申请号:US18291734
申请日:2022-07-22
Applicant: SPECIALTY OPERATIONS FRANCE
Inventor: Rodolphe Sapey-Triomphe
Abstract: The present invention relates to a method for extracting ferulic acid and/or its salts, comprising a step (a) in which a biomass is extruded in the presence of a base. The present invention also relates to ferulic acid in protonated or salified form that can be obtained according to the method of the present invention. Finally, the present invention also relates to a method for preparing vanillin from ferulic acid obtained according to the method of the present invention. The invention can be used in particular in the field of food, cosmetics and flavours.
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