Patents by Inventor Jiangxue Ma

Jiangxue Ma 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: 9731280
    Abstract: Disclosed are a ferrite catalyst and preparation methods thereof. The catalyst is provided with a formula below, wherein A is Mg atom, Zn atom or a mixture of both atoms at any ratio; D is one or more atoms selected from the group consisting of Ni, Co, W, Mn, Ca, Mo or V atom; Z is a catalyst carrier, which is one or more selected from the group consisting of calcium phosphate, calcium dihydrogen phosphate, aluminum phosphate, aluminum dihydrogen phosphate, ferric phosphate, magnesium phosphate, zinc phosphate, Mg—Al hydrotalcite, calcium carbonate, magnesium carbonate; a=0.01-0.6; b=0-0.30; c is a number balancing each valence; x, y represent the amounts of principal catalyst and carrier Z respectively, wherein the weight ratio y/x=0.5:1-7:1.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: August 15, 2017
    Assignee: Shanghai HuaYi Acrylic Acid Co. Ltd.
    Inventors: Desheng Xiong, Tonghao Wu, Ge Luo, Yan Zhuang, Jiangxue Ma, Xiaodong Chu, Jinghua Ji
  • Publication number: 20140141965
    Abstract: Disclosed are a ferrite catalyst and preparation methods thereof. The catalyst is provided with a formula below, wherein A is Mg atom, Zn atom or a mixture of both atoms at any ratio; D is one or more atoms selected from the group consisting of Ni, Co, W, Mn, Ca, Mo or V atom; Z is a catalyst carrier, which is one or more selected from the group consisting of calcium phosphate, calcium dihydrogen phosphate, aluminium phosphate, aluminium dihydrogen phosphate, ferric phosphate, magnesium phosphate, zinc phosphate, Mg—Al hydrotalcite, calcium carbonate, magnesium carbonate; a=0.01-0.6; b=0-0.30; c is a number balancing each valence; x, y represent the amounts of principal catalyst and carrier Z respectively, wherein the weight ratio y/x=0.5:1-7:1.
    Type: Application
    Filed: November 21, 2013
    Publication date: May 22, 2014
    Applicant: Shanghai HuaYi Acrylic Acid Co. Ltd.
    Inventors: Desheng Xiong, Tonghao Wu, Ge Luo, Yan Zhuang, Jiangxue Ma, Xiaodong Chu, Jinghua Ji