Patents by Inventor Ruogu LIAO

Ruogu LIAO 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).

  • Patent number: 11919211
    Abstract: The invention relates to a process for manufacturing a plastic-metal hybrid part by plastic overmolding on a metal surface via nano-molding technology (NMT), wherein the moldable plastic material is a polymer composition comprising thermoplastic polyamide, or a thermoplastic polyester, or a blend thereof, and boron silicon glass fibers. The invention also relates to a plastic-metal hybrid part, obtainable by said process, wherein a metal part is overmolded by a polymer composition comprising thermoplastic polyamide, or a thermoplastic polyester, or a blend thereof, and boron silicon glass fibers.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: March 5, 2024
    Assignee: DSM IP ASSETS B.V.
    Inventors: Frank Peter Theodorus Johannes Van Der Burgt, Ruogu Liao
  • Publication number: 20210388205
    Abstract: Present application disclosed a stain-resistant polyamide composition comprising, a) 55-80 wt. % of semi-crystalline semi-aromatic polyamide; b) 5-15 wt. % of aliphatic polyamide; c) 15-30 wt. % of amorphous semi-aromatic polyamide; wherein the weight percentages of a), b) and c) are relative to the total weight of a), b) and c) and the sum of the weight percentages of a), b) and c) is 100 wt. %; and wherein the semi-crystalline semi-aromatic polyamide comprises repeat units derived from condensation of terephthalic acid and at least one aliphatic diamine having more than 8 and less than 12 carbon atoms.
    Type: Application
    Filed: October 31, 2019
    Publication date: December 16, 2021
    Inventors: Xin LIU, Lidong ZHENG, Ruogu LIAO
  • Publication number: 20210138704
    Abstract: The invention relates to a process for manufacturing a plastic-metal hybrid part by plastic overmolding on a metal surface via nano-molding technology (NMT), wherein the moldable plastic material is a polymer composition comprising thermoplastic polyamide, or a thermoplastic polyester, or a blend thereof, and boron silicon glass fibers. The invention also relates to a plastic-metal hybrid part, obtainable by said process, wherein a metal part is overmolded by a polymer composition comprising thermoplastic polyamide, or a thermoplastic polyester, or a blend thereof, boron silicon glass fibers.
    Type: Application
    Filed: June 11, 2018
    Publication date: May 13, 2021
    Inventors: Frank Peter Theodorus Johannes VAN DER BURGT, Ruogu LIAO
  • Publication number: 20200198198
    Abstract: The invention relates to a process for manufacturing a plastic-metal hybrid part by overmolding of a moldable plastic material on a metal surface via nano-molding technology (NMT), wherein the moldable plastic material is a LDS composition comprising an LDS additive and a blend of a semi-crystalline semi-aromatic polyamide and an amorphous semi-aromatic polyamide. The invention also relates to a plastic-metal hybrid part, obtainable by said process, wherein a metal part is overmolded by a LDS composition comprising a blend of a semi-crystalline semi-aromatic polyamide and an amorphous semi-aromatic polyamide.
    Type: Application
    Filed: June 11, 2018
    Publication date: June 25, 2020
    Inventors: Frank Peter Theodorus Johannes VAN DER BURGT, Ruogu LIAO
  • Publication number: 20200032010
    Abstract: The invention relates to a fiber reinforced thermoplastic molding composition comprising a thermoplastic polymer and reinforcing fibers, wherein the composition comprises (i) a thermoplastic polymer selected from the group consisting of polyesters, polyamides, polycarbonates, polyphenylene sulphides (PPS), polyphenylene ethers (PPO), polyetheretherketones (PEEK), polyaryletherketones (PAEK), polyamidimides (PAI), polyetherimides (PEI) and liquid crystal polymers (LCPs), and combinations thereof and (ii) silicon-boron glass fibers consisting predominantly of silicon dioxide (SiO2) and boron trioxide (B2O3).
    Type: Application
    Filed: March 28, 2018
    Publication date: January 30, 2020
    Inventors: Ruogu LIAO, Frank Peter Theodorus Johannes VAN DER BURGT
  • Publication number: 20180354168
    Abstract: The invention relates to a process for manufacturing a plastic-metal hybrid part by plastic overmolding on a metal surface via nano-molding technology (NMT), wherein the moldable plastic material is a polyamide composition comprising a blend of a semi-crystalline semi-aromatic polyamide and an amorphous semi-aromatic polyamide. The invention also relates to Plastic-metal hybrid part, obtainable by said process, wherein a metal part is overmolded by a polyamide composition comprising a blend of a semi-crystalline semi-aromatic polyamide and an amorphous semi-aromatic polyamide.
    Type: Application
    Filed: December 15, 2016
    Publication date: December 13, 2018
    Inventors: Frank Peter Theodorus Johannes VAN DER BURGT, Ruogu LIAO, Bin YU, Wei PAN