Patents by Inventor Zhouwei YU

Zhouwei YU 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).

  • Concentrated metalworking fluid and metalworking process
    Patent number: 9920277
    Abstract: A concentrated metalworking fluid comprising from 60 to 90 percent by weight base oil selected from the group consisting of water soluble polyalkylene glycols, methoxypolyethylene glycols, polyethylene glycols, and combinations of two or more thereof; from 5 to 20 percent by weight glycol ether; from 0.01 to 5 percent by weight oil soluble polyalkylene glycol; and from 0.2 to 6 percent by weight one or more additives selected from the group consisting of anti-weld agents, corrosion inhibitors, extreme pressure additives, buffers, biocides, lubricity additives, and combinations of two or more thereof is provided. Further provided is a metalworking process.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: March 20, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Jiangbo Ma, Martin R. Greaves, Zhouwei Yu
  • Concentrated MetalWorking Fluid and MetalWorking Process
    Publication number: 20150284657
    Abstract: A concentrated metalworking fluid comprising from 60 to 90 percent by weight base oil selected from the group consisting of water soluble polyalkylene glycols, methoxypolyethylene glycols, polyethylene glycols, and combinations of two or more thereof; from 5 to 20 percent by weight glycol ether; from 0.01 to 5 percent by weight oil soluble polyalkylene glycol; and from 0.2 to 6 percent by weight one or more additives selected from the group consisting of anti-weld agents, corrosion inhibitors, extreme pressure additives, buffers, biocides, lubricity additives, and combinations of two or more thereof is provided. Further provided is a metalworking process.
    Type: Application
    Filed: December 12, 2012
    Publication date: October 8, 2015
    Inventors: Jiangbo MA, Martin R. GREAVES, Zhouwei YU