Patents by Inventor Tara Jane Mullen

Tara Jane Mullen 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).

  • Precipitative process to prepare polyimides
    Patent number: 8536298
    Abstract: A process for preparing polyimide resins comprises stirring a diamine and a dianhydride in a solvent to form a slurry; heating the slurry to a temperature sufficient for the diamine and dianhydride to react wherein the temperature is below the melting point of the dianhydride, below the melting point of the diamine, or below the melting points of the dianhydride and diamine; and reacting the diamine and dianhydride to form a polyimide having sufficient molecular weight to precipitate from the solvent.
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: September 17, 2013
    Assignee: SABIC Innovative Platics IP B.V.
    Inventors: Philip L. Angermeier, Robert Edgar Colborn, Robert R. Gallucci, Paul Edward Howson, Tara Jane Mullen, Roy Ray Odle, Albert Santo Stella, John Morgan Whitney
  • Polyketal Compounds, Synthesis, and Applications
    Publication number: 20110021658
    Abstract: The invention relates to polyketal compounds. The compounds are synthesized by the selective ketalization of oxocarboxylic acids, e.g. keto acids and semialdehydes, and esters thereof with tetrols and higher polyols that products two or more cyclic ketal ester moieties per molecule, wherein the cyclic ketal moieties are situated in a bis-, tris-, or polyketal conformation. The invention further relates to applications of these compounds and subsequent reactions thereof.
    Type: Application
    Filed: October 9, 2008
    Publication date: January 27, 2011
    Applicant: SEGETIS, INC.
    Inventors: Sergey Selifonov, Scott David Rothstein, Douglas Alan Wicks, Brian Daniel Mullen, Tara Jane Mullen, Jason Douglass Pratt, Charles Todd Williams, Chunyong (Kevin) Wu, Ning Zhou