Patents by Inventor TIEN-SZU LI

TIEN-SZU LI 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).

  • Lubrication board
    Patent number: 11608476
    Abstract: A lubrication board includes a substrate; and a lubrication layer disposed on a surface of the substrate, wherein the lubrication layer comprises a polymer expressed by formula (I) below, formula (I); wherein R1 is selected from a substituted or unsubstituted C6-C18 alkyl; R2 is selected from a substituted or unsubstituted C2-C18 alkyl or C2-C18 alkyl which is interrupted by —O—; R3 is selected from —NH— or —S—; R4 is selected from —NH2, —OH or —SH; and n, p and q are positive integers ranging from 2 to 20000.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: March 21, 2023
    Assignee: MEGAOLOGY CHEMICAL CO., LTD.
    Inventors: Wen-Ning Sung, Cheng-Hsi Chen, Tien-Szu Li
  • Lubrication board
    Patent number: 11377614
    Abstract: A lubrication board includes a substrate; and a lubrication layer disposed on a surface of the substrate, wherein the lubrication layer comprises a polymer expressed by formula (I) below, formula (I); wherein R1 is selected from a substituted or unsubstituted C2-C18 alkyl or C2-C18 aryl; R2 is selected from a substituted or unsubstituted C2-C18 alkyl or C2-C18 alkyl which is interrupted by —O—; R3 is selected from —NH— or —S—; R4 is selected from —NH2, —OH or —SH; and n, p and q are positive integers ranging from 2 to 20000.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: July 5, 2022
    Assignee: MEGAOLOGY CHEMICAL CO., LTD.
    Inventors: Wen-Ning Sung, Cheng-Hsi Chen, Tien-Szu Li
  • LUBRICATION BOARD
    Publication number: 20220056364
    Abstract: A lubrication board includes a substrate; and a lubrication layer disposed on a surface of the substrate, wherein the lubrication layer comprises a polymer expressed by formula (I) below, wherein R1 is selected from a substituted or unsubstituted C6-C18 alkyl; R2 is selected from a substituted or unsubstituted C2-C18 alkyl or C2-C18 alkyl which is interrupted by —O—; R3 is selected from —NH— or —S—; R4 is selected from —NH2, —OH or —SH; and n, p and q are positive integers ranging from 2 to 20000.
    Type: Application
    Filed: November 4, 2021
    Publication date: February 24, 2022
    Inventors: WEN-NING SUNG, CHENG-HSI CHEN, TIEN-SZU LI
  • LUBRICATION BOARD
    Publication number: 20210355406
    Abstract: A lubrication board includes a substrate; and a lubrication layer disposed on a surface of the substrate, wherein the lubrication layer comprises a polymer expressed by formula (I) below, wherein R1 is selected from a substituted or unsubstituted C2-C18 alkyl or C2-C18 aryl; R2 is selected from a substituted or unsubstituted C2-C18 alkyl or C2-C18 alkyl which is interrupted by —O—; R3 is selected from —NH— or —S—; R4 is selected from —NH2, —OH or —SH; and n, p and q are positive integers ranging from 2 to 20000.
    Type: Application
    Filed: May 14, 2020
    Publication date: November 18, 2021
    Inventors: WEN-NING SUNG, CHENG-HSI CHEN, TIEN-SZU LI