Patents by Inventor Stamatina N. Vougiouka

Stamatina N. Vougiouka 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).

  • Process For The Preparation Of Polyamides In The Presence of a Phosphonate
    Publication number: 20100036083
    Abstract: The invention relates to the preparation of polyamides in the presence of a phosphonate, which is already added at the beginning of the polycondensation or polyaddition process. The resulting prepolymer exhibits a high molecular weight and is almost colorless. A further aspect of the invention is the use of a phosphonate for increasing the molecular weight and modification of polyamides during polycondensation.
    Type: Application
    Filed: June 28, 2006
    Publication date: February 11, 2010
    Applicant: CIBA SPECIALTY CHEMICALS CORPORATION
    Inventors: Jochen Fink, Rudolf Pfaendner, Dirk Simon, Constantine D. Papaspyrides, Stamatina N. Vougiouka