Patents by Inventor Josefina T. Chapman

Josefina T. Chapman 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).

  • Direct and selective production of ethyl acetate from acetic acid utilizing a bimetal supported catalyst
    Publication number: 20100029980
    Abstract: A process for the selective production of ethyl acetate by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form ethyl acetate is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over platinum and copper supported on silica selectively produces ethyl acetate in a vapor phase at a temperature of about 250° C.
    Type: Application
    Filed: July 31, 2008
    Publication date: February 4, 2010
    Inventors: Victor J. Johnston, James H. Zink, Deborah R. Repman, Laiyuan Chen, Barbara F. Kimmich, Josefina T. Chapman, Jan Cornelis van der Waal, Virginie Zuzaniuk
  • Direct and selective production of ethanol from acetic acid utilizing a platinum/tin catalyst
    Publication number: 20100029995
    Abstract: A process for the selective production of ethanol by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form ethanol is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over a platinum and tin supported on silica, graphite, calcium silicate or silica-alumina selectively produces ethanol in a vapor phase at a temperature of about 250° C.
    Type: Application
    Filed: July 31, 2008
    Publication date: February 4, 2010
    Inventors: Victor J. Johnston, Laiyuan Chen, Barbara F. Kimmich, Josefina T. Chapman, James H. Zink
  • Direct and selective production of acetaldehyde from acetic acid utilizing a supported metal catalyst
    Publication number: 20100029993
    Abstract: A process for the selective production of acetaldehyde by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form acetaldehyde is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over platinum and iron supported on silica selectively produces acetaldehyde in a vapor phase at a temperature of about 300° C.
    Type: Application
    Filed: July 31, 2008
    Publication date: February 4, 2010
    Inventors: Victor J. Johnston, James H. Zink, Laiyuan Chen, Barbara F. Kimmich, Josefina T. Chapman, Jan Cornelis van der Waal, Virginie Zuzaniuk
  • Ethanol production from acetic acid utilizing a cobalt catalyst
    Patent number: 7608744
    Abstract: A process for the selective production of ethanol by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form ethanol is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over either cobalt and palladium supported on graphite or cobalt and platinum supported on silica selectively produces ethanol in a vapor phase at a temperature of about 250° C.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: October 27, 2009
    Assignee: Celanese International Corporation
    Inventors: Victor J. Johnston, Josefina T. Chapman, Laiyuan Chen, Barbara F. Kimmich, James H. Zink, Jan Cornelis van der Waal, Virginie Zuzaniuk