Patents by Inventor Manni Liu

Manni Liu 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).

  • Determination method of magnesium content in aluminium alloy
    Patent number: 8211704
    Abstract: The present invention discloses a method for determination of magnesium content in aluminum alloy, including: dissolving an aluminum alloy sample, using one or more compounds selected from the group consisting of mercapto-containing compound, acetone cyanohydrin, ?-aminoethyl mercaptan, triethanolamine, tetraethylenepentamine, ethylene diamine and oxydol as masking agent, using eriochrome black T or methyl thymol blue as indicator, and using EDTA or CDTA to titrate the sample.
    Type: Grant
    Filed: July 15, 2008
    Date of Patent: July 3, 2012
    Assignee: Southwest Aluminum (Group) Co., Ltd.
    Inventors: Ping Jiang, Yu Chen, Yukun Song, Gongda Liu, Manni Liu, Zhihong Wei, Jian Tang, Hong Zhou, Yongli Hu
  • DETERMINATION METHOD OF MAGNESIUM CONTENT IN ALUMINIUM ALLOY
    Publication number: 20110027895
    Abstract: The present invention discloses a method for determination of magnesium content in aluminum alloy, including: dissolving an aluminum alloy sample, using one or more compounds selected from the group consisting of mercapto-containing compound, acetone cyanohydrin, ?-aminoethyl mercaptan, triethanolamine, tetraethylenepentamine, ethylene diamine and oxydol as masking agent, using eriochrome black T or methyl thymol blue as indicator, and using EDTA or CDTA to titrate the sample.
    Type: Application
    Filed: July 15, 2008
    Publication date: February 3, 2011
    Applicant: Southwest Aluminium (Group) Co., Ltd.
    Inventors: Ping Jiang, Yu Chen, Yukun Song, Gongda Liu, Manni Liu, Zhihong Wei, Jian Tang, Hong Zhou, Yongli Hu