Patents by Inventor Naoyo FUKUMOTO

Naoyo FUKUMOTO 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).

  • FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM
    Publication number: 20250011538
    Abstract: A fluorine-containing ether compound represented by the following formula: R1-[B]-[A]-O—CH2—R2—CH2—O-[C]-[D]-R3 (R1 is an organic group having 7 to 18 carbon atoms, including a group in which a carbonyl carbon atom or nitrogen atom in an amide bond and an aromatic hydrocarbon are directly bonded; R2 is a perfluoropolyether chain; R3 is Formula (2); X1 is a hydrogen atom or an organic group having 7 to 18 carbon atoms, including a group in which a carbonyl carbon atom or nitrogen atom in an amide bond and an aromatic hydrocarbon are directly bonded; [A] is Formula (3-1); [B] is Formula (3-2); [C] is Formula (4-1); [D] is Formula (4-2); and the number of hydroxyl groups in Formula (1) is 3 or more).
    Type: Application
    Filed: August 31, 2022
    Publication date: January 9, 2025
    Applicant: Resonac Corporation
    Inventors: Daisuke YAGYU, Tsuyoshi KATO, Yutaka TANJI, Ayano ASANO, Naoyo FUKUMOTO, Kohei OCHIAI