Inventor · Wheeling, IL, US

Vasiliki Psihogios

15Patents
12h-index
17Co-inventors
67Inventor score

Filing activity: Feb 2, 1998 → May 13, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6225394A Intercalates formed by co-intercalation of onium ion spacing/coupling agents and monomer, oligomer or polymer ethylene vinyl alcohol (EVOH) intercalants and nanocomposites prepared with the intercalates Chemistry; Metallurgy 67 Expired
US6262162A Layered compositions with multi-charged onium ions as exchange cations, and their application to prepare monomer, oligomer, and polymer intercalates and nanocomposites prepared with the layered compositions of the intercalates Emerging Cross-Sectional Technologies 47 Expired
US5998528A Viscous carrier compositions, including gels, formed with an organic liquid carrier, a layered material: polymer complex, and a di-, and/or tri-valent cation Chemistry; Metallurgy 43 Expired
US6417262B1 High barrier amorphous polyamide-clay nanocomposite and a process for preparing same Chemistry; Metallurgy 36 Expired
US6376591B1 High barrier amorphous polyamide-clay intercalates, exfoliates, and nanocomposite and a process for preparing same Chemistry; Metallurgy 28 Expired
US6399690B2 LAYERED COMPOSITIONS WITH MULTI-CHARGED ONIUM IONS AS EXCHANGE CATIONS, AND THEIR APPLICATION TO PREPARE MONOMER, OLIGOMER, AND POLYMER INTERCALATES AND NANOCOMPOSITES PREPARED WITH THE LAYERED COMPOSITIONS OF THE INTERCALATES Emerging Cross-Sectional Technologies 24 Expired
US6653388B1 Polymer/clay nanocomposite comprising a clay mixture and a process for making same Emerging Cross-Sectional Technologies 23 Expired
US6548587B1 Polyamide composition comprising a layered clay material modified with an alkoxylated onium compound Chemistry; Metallurgy 22 Expired
US6586500B2 Polymer nanocomposite comprising a matrix polymer and a layered clay material having an improved level of extractable material Emerging Cross-Sectional Technologies 20 Expired
US6737464B1 Polymer nanocomposite comprising a matrix polymer and a layered clay material having a low quartz content Emerging Cross-Sectional Technologies 17 Expired
US6391449B1 Polymer/clay intercalates, exfoliates, and nanocomposites comprising a clay mixture and a process for making same Emerging Cross-Sectional Technologies 16 Expired
US6552114B2 Process for preparing a high barrier amorphous polyamide-clay nanocomposite Emerging Cross-Sectional Technologies 15 Expired
US6828370B2 Intercalates and exfoliates thereof having an improved level of extractable material Emerging Cross-Sectional Technologies 8 Expired
US6596803B2 Layered clay intercalates and exfoliates having a low quartz content Emerging Cross-Sectional Technologies 8 Expired
US6552113B2 Polymer-clay nanocomposite comprising an amorphous oligomer Emerging Cross-Sectional Technologies 8 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.