Patents by Inventor Hsiaopin Tseng

Hsiaopin Tseng 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).

  • Sorbent and processes for removing nitrogen oxides, sulfur oxides and hydrogen sulfide from gas streams
    Patent number: 4940569
    Abstract: Novel sorbents comprising (a) an alumina substrate having a pore volume between 0.4 and 0.8 cc/g, and (b) an alkali or alkaline earth component, for example, sodium carbonate, wherein the amount of the alkali or alkaline earth component is between 50 and 400 .mu.g per m.sup.2 of the substrate. The sorbents of the present invention are outstandingly effective for the removal of nitrogen oxides, sulfur oxides and hydrogen sulfide from waste gas streams.
    Type: Grant
    Filed: September 20, 1988
    Date of Patent: July 10, 1990
    Assignee: Noxso Corporation
    Inventors: Lewis G. Neal, John L. Haslbeck, Hsiaopin Tseng
  • Processes for removing nitrogen oxides, sulfur oxides and hydrogen sulfide from gas streams
    Patent number: 4798711
    Abstract: Novel sorbents comprising (a) an alumina substrate having a pore volume between 0.4 and 0.8 cc/g, and (b) an alkali or alkaline earth component, for example, sodium carbonate, wherein the amount of the alkali or alkaline earth component is between 50 and 400 .mu.g per m.sup.2 of the substrate. The sorbents of the present invention are outstandingly effective for the removal of nitrogen oxides, sulfur oxides and hydrogen sulfide from waste gas streams.
    Type: Grant
    Filed: August 21, 1987
    Date of Patent: January 17, 1989
    Assignee: Noxso Corporation
    Inventors: Lewis G. Neal, John L. Haslbeck, Hsiaopin Tseng
  • Sorbent for removing nitrogen oxides, sulfur oxides and hydrogen sulfide from gas streams
    Patent number: 4755499
    Abstract: Novel sorbents comprising (a) an alumina substrate having a pore volume between 0.4 and 0.8 cc/g, and (b) an alkali or alkaline earth component, for example, sodium carbonate, wherein the amount of the alkali or alkaline earth component is between 50 and 400 .mu.g per m.sup.2 of the substrate. The sorbents of the present invention are outstandingly effective for the removal of nitrogen oxides, sulfur oxides and hydrogen sulfide from waste gas streams.
    Type: Grant
    Filed: September 9, 1986
    Date of Patent: July 5, 1988
    Assignee: Noxso Corporation
    Inventors: Lewis G. Neal, John L. Haslbeck, Hsiaopin Tseng