Patents

Granted Patents:

1. "Polyterphenylene Manufacture" Naarmann, H.,Kallitsis, J., Ger. Offen DE 4,035,300, 1992
2. "Thienylarylenes, their Preparation and their Use in Electric Conductors" Naarmann, H., Harth, K., Fisch, H., Schrof, W., Kallitsis, J., Ger. Offen. DE 4,318,982,1994
3. "Thienylphenylenes, their Preparation and Use in Preparing Electrically Conductive Polymers" Naarmann, H., Kallitsis, J., Ger. Offen. DE 4,223,810, 1994
4. “Acid impregnated polymeric membranes for use as solid electrolytes” C. Hasiotis, J. Kallitsis, V. Deimede, G. Voyiatzis, C. Kontoyiannis, G. Papatheodorou, Greek Patent No: 1003647/30.08.2001. 
5. “Controlled Release of Antimicrobial Agents from Polymeric Matrixes” S. Ikonomopoulou, K. Andreopoulou, A. Soto, E. Tsartolia, C. Katsichtis, A. Papadopoulos, J. Kallitsis, G. Voyiatzis, Appl. No. 20030100081/14-2-2003. Greek Patent 1004764/16.12.2004.
6. “Controlled Release of Antimicrobial Substances from Polymeric Matrices”, C. Katsichtis, E. Tsartolia, A. Papadopoulos, S. Iconomopoulou, K. Andreopoulou, A. S. Beobide, J. Kallitsis, G. Voyiatzis, EP1460089 A1 2004 0922. 
7. “Antimicrobial and antifouling properties of polymer blends based on polystyrene sulfonated phosphonium salts combined with various polymer matrixes” E. Oikonomou, C. Papadopoulou, I. Kallitsis, G. Vogiatzis, S. Oikonomopoulou, A. Andreopoulou, C. Katsichtis. Greek Patent 1005443/15.02.2007.
8. “Aromatic polyether copolymers and polymer blends and fuel cells comprising same” N. Gourdoupi, N. Triantafyllopoulos, V. Deimede, L. Pefkianakis, M. Daletou, S. Neophytides, J. Kallitsis, US patent: 7, 842, 733, Date: 30/11/2010. 
9. “Novel poly(arylene ether) copolymers containing pyridine units as proton exchange membranes” M. Geormezi, V. Deimede, N. Gourdoupi, J. Kallitsis, US patent: 7, 842, 734, Date: 30/11/2010. 
10. “Multifunctional materials consisting of regioregular poly(3-alkyl thiophene)s covalently attached on carbon nanotubes for photovoltaic applications” C. Chochos, J. Kallitsis, US patent: 7, 854, 862, Date: 21/12/2010.
11. “Development of New (Co)Polymeric and Hybrid (Co)Polymeric Electron Acceptors  for Organic Photovoltaic Cell Applications” A.K. Andreopoulou, S. Kourkouli, A. Stefopoulos, A. Siokou, J. K. Kallitsis, Greek Patent 20120100166/20-3-2012.
12. “Development of New (Co)Polymeric and Hybrid (Co)Polymeric Electron Acceptors  for Organic Photovoltaic Cell Applications” A.K. Andreopoulou, S. Kourkouli, A. Stefopoulos, A. Siokou, J. K. Kallitsis, European Patent Application ΕΡ13001446.7/20-3-2013.

Patents’ applications:

1. “Crosslinked or Non-Crosslinked Aromatic Copolymeric Proton Conductive Electrolytes for Applications in Polymer Electrolyte Membrane Fuel Cells” Pending Greek Patent, Appl. No. 20110100058/07.02.2011.
2. “Development of Porous Separators based on Blends of Aromatic Polyethers with Water Soluble Polymers and their Use in Lithium Ion Batteries” C. Elmasides, A. Voege, V. Deimede, G. Lainioti, J. K. Kallitsis, Greek patent application, June 2012.
3. “Crosslinked or Non-Crosslinked Aromatic (Co)Polymers as Proton Conductors for use in High Temperature PEM Fuel Cells” Pending US Patent, Appl. No. 13367855/02.07.2012.