Patents by Inventor Shijun Tang

Shijun Tang 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).

  • Process for producing tinned copper wires
    Patent number: 11898253
    Abstract: Provided is a process for producing a tinned copper wire. The process comprises subjecting a copper wire sequentially to activation treatment, a first hot tinning treatment, a first cooling, a second hot tinning treatment, and a second cooling to obtain a tinned copper wire. The first hot tinning treatment is carried out at a first temperature and the second hot tinning treatment is carried out at a second temperature. The first temperature is higher than the second temperature. The first temperature is at least 38° C. higher than the melting point of tin. The second temperature is at least 8° C. higher than the melting point of tin.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: February 13, 2024
    Inventors: Mingmao Li, Shijun Tang, Shihong Tang, Mingbiao Zhu, Wenjing Wang
  • Process for Producing Tinned Copper Wires
    Publication number: 20210310111
    Abstract: Provided is a process for producing a tinned copper wire. The process comprises subjecting a copper wire sequentially to activation treatment, a first hot tinning treatment, a first cooling, a second hot tinning treatment, and a second cooling to obtain a tinned copper wire. The first hot tinning treatment is carried out at a first temperature and the second hot tinning treatment is carried out at a second temperature. The first temperature is higher than the second temperature. The first temperature is at least 38° C. higher than the melting point of tin. The second temperature is at least 8° C. higher than the melting point of tin.
    Type: Application
    Filed: March 30, 2021
    Publication date: October 7, 2021
    Applicant: Jiangxi Advanced Copper Industry Research Inst
    Inventors: Mingmao Li, Shijun Tang, Shihong Tang, Mingbiao Zhu, Wenjing Wang
  • Synthesis of columnar hydrogel colloidal crystals in water-organic solvent mixture
    Patent number: 7989505
    Abstract: The compositions of hydrogel colloidal crystals are made from mixing an aqueous suspension of poly-N-isopropylacrylamide (“PNIPAM”)-co-allylamine microgels with dichloromethane, forming a PNIPAM-co-allylamine/dichloromethane mixture. The PNIPAM-co-allylamine/dichloromethane mixture is incubated for a period of time at a given temperature, forming the colloidal crystal material. The colloidal crystals can be stabilized by diffusing a glutaric dialdehyde solution into the colloidal crystal material. The concentration of polymer matrix microgels can determine the orientation of random or columnar crystals.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: August 2, 2011
    Assignee: University of North Texas
    Inventors: Zhibing Hu, Jun Zhou, Tong Cai, Shijun Tang, Manuel Marquez
  • Synthesis of columnar hydrogel colloidal crystals in water-organic solvent mixture
    Publication number: 20100261814
    Abstract: The compositions of hydrogel colloidal crystals are made from mixing an aqueous suspension of poly-N-isopropylacrylamide (“PNIPAM”)-co-allylamine microgels with dichloromethane, forming a PNIPAM-co-allylamine/dichloromethane mixture. The PNIPAM-co-allylamine/dichloromethane mixture is incubated for a period of time at a given temperature, forming the colloidal crystal material. The colloidal crystals can be stabilized by diffusing a glutaric dialdehyde solution into the colloidal crystal material. The concentration of polymer matrix microgels can determine the orientation of random or columnar crystals.
    Type: Application
    Filed: September 21, 2006
    Publication date: October 14, 2010
    Applicant: University of North Texas
    Inventors: Zhibing Hu, Jun Zhou, Tong Cai, Shijun Tang, Manuel Marquez