Patents by Inventor Daqiang Hu

Daqiang Hu 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).

  • Catalyst for ammonia synthesis and ammonia decomposition
    Patent number: 10046314
    Abstract: The present invention relates to a catalyst for ammonia synthesis and ammonia decomposition. The catalyst includes a nitrogen-containing compound of a main group element and a related support and an additive. The present invention is a novel catalytic material, which exhibits good catalytic activity in ammonia synthesis and ammonia decomposition reactions.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: August 14, 2018
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Ping Chen, Jianping Guo, Peikun Wang, Zhitao Xiong, Daqiang Hu
  • CATALYST FOR AMMONIA SYNTHESIS AND AMMONIA DECOMPOSITION
    Publication number: 20160271595
    Abstract: The present invention relates to a catalyst for ammonia synthesis and ammonia decomposition. The catalyst includes a nitrogen-containing compound of a main group element and a related support and an additive. The present invention is a novel catalytic material, which exhibits good catalytic activity in ammonia synthesis and ammonia decomposition reactions.
    Type: Application
    Filed: December 20, 2013
    Publication date: September 22, 2016
    Inventors: Ping CHEN, Jianping GUO, Peikun WANG, Zhitao XIONG, Daqiang HU
  • Silicate base luminescent materials having multiple emission peaks, processes for preparing the same and light emitting devices using the same
    Patent number: 8154191
    Abstract: A silicate luminescent material excitable by an excitation light source having emissions in UV to blue light region, a process for producing the same, and a white light emitting device. The luminescent material has an emission spectrum with at least two peaks in a range of from 370 to 760 nm, and has a general chemical composition formula of aAO.bA?O.cSiO2:xEu.yLn.zM.?N, wherein A is selected from the group consisting of Sr, Ca, Ba, and combinations thereof; A? is selected from the group consisting of Mg, Zn, and combinations thereof; Ln is selected from the group consisting of Nd, Dy, Ho, Tm, La, Ce, Er, Pr, Bi, Sm, Sn, Y, Lu, Ga, Sb, Tb, Mn, Pb and combinations thereof; M is one or a combination of halogen ions; N is selected from the group consisting of Li+, Na+, K+, Ag+, and combinations thereof; and a, b, c, x, y, z, and ? are molar coefficients.
    Type: Grant
    Filed: August 15, 2007
    Date of Patent: April 10, 2012
    Assignee: Luming Science And Technology Group Co., Ltd.
    Inventors: Wei Xia, Yi Xin, Daqiang Hu, Zhiguo Xiao
  • SILICATE BASE LUMINESCENT MATERIALS HAVING MULTIPLE EMISSION PEAKS, PROCESSES FOR PREPARING THE SAME AND LIGHT EMITTING DEVICES USING THE SAME
    Publication number: 20100052513
    Abstract: A silicate luminescent material excitable by an excitation light source having emissions in UV to blue light region, a process for producing the same, and a white light emitting device. The luminescent material has an emission spectrum with at least two peaks in a range of from 370 to 760 nm, and has a general chemical composition formula of aAO.bA?O.cSiO2:xEu.yLn.zM.?N, wherein A is selected from the group consisting of Sr, Ca, Ba, and combinations thereof; A? is selected from the group consisting of Mg, Zn, and combinations thereof; Ln is selected from the group consisting of Nd, Dy, Ho, Tm, La, Ce, Er, Pr, Bi, Sm, Sn, Y, Lu, Ga, Sb, Tb, Mn, Pb and combinations thereof; M is one or a combination of halogen ions; N is selected from the group consisting of Li+, Na+, K+, Ag+, and combinations thereof; and a, b, c, x, y, z, and ? are molar coefficients.
    Type: Application
    Filed: August 15, 2007
    Publication date: March 4, 2010
    Applicant: LUMING SCIENCE AND TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Xia, Yi Xin, Daqiang Hu, Zhiguo Xiao