Patents by Inventor Josemon Jacob

Josemon Jacob 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).

  • Polymers based on 3,6-and 2,7-conjugated poly(phenanthrene) and pled devices
    Publication number: 20070191583
    Abstract: A device having at least one layer including poly(p-phenylene)s based on 3,6-conjugated and 2,7-conjugated phenanthrene moietie having been synthesized by polycondensation using Ni(0)-mediated Yamamoto-type cross coupling are described as the charge transport layer or as the host for a dopant.
    Type: Application
    Filed: December 19, 2006
    Publication date: August 16, 2007
    Inventors: Josemon Jacob, Klaus Mullen
  • Light-emitting polymers and electronic devices using such polymers
    Patent number: 7119360
    Abstract: Novel pentaphenylenes having the following general formula are described; These polymers generally exhibit blue electroluminescence and are useful in electronic devices.
    Type: Grant
    Filed: October 29, 2003
    Date of Patent: October 10, 2006
    Assignee: Max-Plank-Society
    Inventors: Klaus Mullen, Andrew C. Grimsdale, Josemon Jacob
  • Light-emitting polymers and electronic devices using such polymers
    Publication number: 20050092982
    Abstract: The invention provides novel pentaphenylene polymers which generally exhibit blue electroluminescence. The polymers are useful in electronic devices. The invention further provides a novel diketone compound having a low LUMO level.
    Type: Application
    Filed: October 29, 2003
    Publication date: May 5, 2005
    Inventors: Klaus Mullen, Andrew Grimsdale, Josemon Jacob