Patents by Inventor Hong-Xin Li

Hong-Xin Li 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).

  • High micropore volume low silica EMT-containing metallosilicates
    Patent number: 5573745
    Abstract: The present invention is a composition, a synthesis of the composition and a method of using the composition for selectively adsorptively separating nitrogen from oxygen wherein the composition is a crystalline EMT with a Si/Al ratio less than 2.0 and a micropore volume determined in the sodium and/or potassium form of at least 0.20 cm.sup.3 /g and a lithium cation exchange of at least 80%, preferably including an intergrowth with a crystalline FAU structure, wherein the pure or intergrowth compositions have the chemical formula:M.sub.2/n O:X.sub.2 O.sub.3 :(2.0 to <4.0)SiO.sub.2wherein M=one or more metal cations having a valence of n, and X is selected from the group consisting of aluminum, gallium and boron, preferably aluminum.
    Type: Grant
    Filed: May 12, 1994
    Date of Patent: November 12, 1996
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Hong-Xin Li, Charles G. Coe, Thomas R. Gaffney, Yanliang Xiong, Johan A. Martens, Pierre A. Jacobs
  • Li-exchanged low silica EMT-containing metallosilicates
    Patent number: 5567407
    Abstract: The present invention is a composition, a synthesis of the composition and a method of using the composition for selectively adsorptively separating nitrogen from oxygen wherein the composition is a crystalline EMT with a Si/Al ratio less than 2.0 and a lithium cation exchange of at least 80%, preferably including an intergrowth with a crystalline FAU structure, wherein the pure or intergrowth compositions have the chemical formula:(0.20-0.0)M.sub.2/n O:(0.80-1.0)Li.sub.2 O:X.sub.2 O.sub.3 :(2.0 to <4.0)SiO.sub.2wherein M=a metal cation other than lithium having a valence of n, and X is selected from the group consisting of aluminum, gallium and boron, preferably aluminum.
    Type: Grant
    Filed: May 12, 1994
    Date of Patent: October 22, 1996
    Inventors: Charles G. Coe, Thomas R. Gaffney, Hong-Xin Li, Yanliang Xiong, Johan A. Martens, Pierre A. Jacobs
  • Li-exchanged low silica EMT-containing metallosilicates
    Patent number: 5562756
    Abstract: The present invention is a composition, a synthesis of the composition and a method of using the composition for selectively adsorptively separating nitrogen from oxygen wherein the composition is a crystalline EMT with a Si/Al ratio less than 2.0 and a lithium cation exchange of at least 80%, preferably including an intergrowth with a crystalline FAU structure, wherein the pure or intergrowth compositions have the chemical formula:(0.2-0.0)M.sub.2/n 0:(0.80-1.0)Li.sub.2 0:X.sub.2 0.sub.3 :(2.0 to <4.0)SiO.sub.2wherein M=a metal cation other than lithium having a valence of n, and X is selected from the group consisting of aluminum, gallium and boron, preferably aluminum.
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: October 8, 1996
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Charles G. Coe, Thomas R. Gaffney, Hong-Xin Li, Yanliang Xiong, Johan A. Martens, Pierre A. Jacobs