Patents by Inventor Dean Welsh

Dean Welsh 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).

  • Patent number: 10103334
    Abstract: The present disclosure provides a composition. In an embodiment, a composition is provided and comprises a Compound 1 shown below: For Compound 1, R1 through R24 are the same or different. R1 through R24 each is independently selected from the group consisting of hydrogen, unsubstituted hydrocarbyl, substituted hydrocarbyl, cyano, alkoxy, aryloxy, and NR?2. R? is hydrogen or hydrocarbyl; wherein two or more of adjacent R1 to R24 may optionally form one or more ring structures. The Component Z is selected from the group consisting Group Z-1, Group Z-2, Group Z-3, Group Z-4, Group Z-5, Group Z-6 and Group Z-7 shown below: For Compound 1, one or more hydrogen atoms may optionally be substituted with deuterium.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: October 16, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Robert Wright, Kyoung moo Koh, Liam Spencer, David Devore, Dean Welsh, Timothy De Vries, Bruce Bell, Matthias Ober, Sukrit Mukhopadhyay
  • Publication number: 20180006225
    Abstract: The present disclosure provides a composition. In an embodiment, a composition is provided and comprises a Compound 1 shown below: For Compound 1, R1 through R24 are the same or different. R1 through R24 each is independently selected from the group consisting of hydrogen, unsubstituted hydrocarbyl, substituted hydrocarbyl, cyano, alkoxy, aryloxy, and NR?2. R? is hydrogen or hydrocarbyl; wherein two or more of adjacent R1 to R24 may optionally form one or more ring structures. The Component Z is selected from the group consisting Group Z-1, Group Z-2, Group Z-3, Group Z-4, Group Z-5, Group Z-6 and Group Z-7 shown below: For Compound 1, one or more hydrogen atoms may optionally be substituted with deuterium.
    Type: Application
    Filed: December 28, 2015
    Publication date: January 4, 2018
    Inventors: Robert Wright, Kyoung moo Koh, Liam Spencer, David Devore, Dean Welsh, Timothy De Vries, Bruce Bell, Matthias Ober, Sukrit Mukhopadhyay
  • Publication number: 20070210302
    Abstract: The present invention relates to a pentathienyl-fluorene copolymer having structural units represented by formula (I): here R and R? are each independently a substituent or H. The invention also relates to a transistor containing this copolymer. The present invention addresses a problem in the art by providing an electroactive device with exceptionally low hysteresis.
    Type: Application
    Filed: March 1, 2005
    Publication date: September 13, 2007
    Inventors: David Brennan, Dean Welsh, Yu Chen, Jeff Shaw
  • Publication number: 20070126345
    Abstract: A halogenated bisdiarylaminopolycyclic aromatic compound, polymers made therefrom, and polymeric light emitting diode devices using the polymers are described. The halogenated compound is represented by formula (I), wherein Ar and Ar? are each independently substituted or unsubstituted aryl groups and Z is a polycyclic arylene group, wherein at least one of the Ar? groups is a haloaryl group. Devices using polymers prepared from the halogenated compound exhibit improved performance and longer lifetime, presumably as a result of the presence of the geometrically constrained diarylaminopolycyclic aromatic groups in the polymer backbone.
    Type: Application
    Filed: November 3, 2004
    Publication date: June 7, 2007
    Inventors: Michelle Hudack, Wanglin Yu, Michael Inbasekaran, Weishi Wu, Dean Welsh, James O'Brien
  • Publication number: 20070096082
    Abstract: Crosslinkable arylamine compounds; oligomers and polymers prepared from such crosslinkable arylamine compounds; films and coatings; and multilayer electronic devices comprising such films are disclosed.
    Type: Application
    Filed: October 25, 2004
    Publication date: May 3, 2007
    Inventors: Scott Gaynor, Michael Inbasekaran, James O'Brien, Dean Welsh
  • Publication number: 20050106324
    Abstract: The present invention relates to a method for preparing polymeric films, preferably electroactive films, with enhanced physical properties by the steps of applying to a substrate a solution of a polymer containing pendant labile solubilizing groups, then removing the solvent and a sufficient concentration of the labile solubilizing groups render the polymer less soluble in the solvent than before the labile groups were removed. It is believed that the removal of pendant soluble groups a) permits optimization of the semiconducting backbone for charge transport performance, b) allows direct control of microstructure in the final film, and c) renders the final film more robust during subsequent process steps needed to construct multilayer devices.
    Type: Application
    Filed: September 8, 2004
    Publication date: May 19, 2005
    Inventors: Mitchell Dibbs, Michael Inbasekaran, Paul Townsend, Kenneth Foster, Shaoguang Feng, David Brennan, Q. Niu, James Godschalx, Dean Welsh, Ray Drumright