Issued Patents

Patents and Patent Applications (US only. International versions are not listed).

  • 27. Puskas, J.E.; Albarran, A.A.; Rosenthal-Kim, E.Q. Modular Surface
    Functionalization of Polyisobutylene-Based Materials, US 10,314,945 (UA, 2019).
  • 26. Puskas, J.E.; Sen, M. Process of Preparing Functionalized Polymers via Enzymatic
    Catalysis. US 9,885,070 (UA, 2018) (Licensed).
  • 25. Puskas, J.E.; Terpene/isoolefin copolymers having substantially heterogeneous
    compositional distribution and displaying thermoplastic elastomeric properties.
    US 9,790,301 (UA, 2017) (Licensed).
  • 24. Puskas, J.E.; Rosenthal, E.Q. New Method for the Synthesis of Polydisulfide
    Polymers. US 9,193,680 (UA, 2015).
  • 23. Puskas, J.E.; Heidenreich, A. Synthesis of Dendritic (arborescent) Polymers with
    Living RAFT Polymerization. US 8,883,912 (UA, 2014).
  • 22. Puskas, J.E.; Sen, M. Process of Preparing Functionalized Polymers via Enzymatic
    Catalysis. US 8,710,156 (UA, 2014) (Licensed).
  • 21. Puskas, J.E.; Kaszas, G.; Kulbaba, K. Arborescent Polymers and Process for Making
    Same. US 8,748,530 (UA, 2014) (Licensed)
  • 20. Puskas, J.E.; Kaszas, G.; Kulbaba, K. Arborescent Polymers and Process for Making
    Same. US 8,748,530 (UA, 2014) (Licensed).
  • 19. Puskas, J.E.; Rosenthal, E.Q. New Method for the Synthesis of Polydisulfide
    Polymers. US 8,552,143 (UA, 2013)
  • 18. Puskas, J.E. Arborescent Polyisobutylene-Polystyrene Copolymers, Method of
    Producing and Purifying Same. US 8,383,764 (UA, 2013) (Licensed)
  • 17. Puskas, J.E.; Kaszas, G.; Kulbaba, K. Arborescent Polymers and Process for Making
    Same. US 8,258,230 (UA, 2012) (Licensed)
  • 16. Puskas, J.E. Copolymerization of an Isoolefin with a Halogenated Co-monomer. US
    8,026,325 (LANXESS, 2011).
  • 15. Puskas, J.E.; Ebied, A.; Lamperd, B. Less Lethal Ammunition for Peace Keeping.
    US 7,614,349 (UWO, 2009) (Licensed).
  • 14. Puskas, J.E.; Paulo, C.; Antony, P. Novel Highly Branched Thermoplastic
    Elastomers. US 6,747,098 (UWO, 2004) (Licensed then purchased).
  • 13. Puskas, J.E.; Barghi, S. Characterization of Adsorbents by Electrical Measurements.
    US 6,593,747 (UWO, BAYER, 2003).
  • 12. Puskas, J.E. Initiators for Carbocationic Polymerization of Olefins. US 6,495,647
    (UWO, 2002).
  • 11. Puskas, J.E. Initiators for Carbocationic Polymerization of Olefins. US 2,268,446
    (UWO, 2001).
  • 10. Baade, W. Heinrich, R.; Langstein, G.; Mülder, T.; Puskas, J.E. Process for the
    Production of Polyisoolefins. US 5,543,479 (BAYER, 1996).
  • 9. Baade, W.; Langstein, G.; Puskas, J.E. Process for the Production of C4-C16 Alkyl
    Rubbers Using the Slurry Process. US 5,539,065 (BAYER, 1996).
  • 8. Langstein, G.; Nuyken, O.; Obrecht, W.; Puskas, J.E.; Weiss, K. Production of
    Highly Branched Isoolefins. US 6,156,859 (BAYER, 2000).
  • 7. Kaszas, G.; Puskas, J.E. Compositions of Butyl Elastomers and Block Copolymers
    of Polyisobutylene. US 5,276,094 (BAYER, 1994).
  • 6. Puskas, J.E.; Kaszas, G. Butyl Rubber with Bimodal Molecular Weight Distribution.
    US 5,194,538 (BAYER, 1993).
  • 5. Kaszas, G.; Puskas, J.E.; Kennedy, J.P. Uniform Molecular Weight Polymers.
    US 5,169,914 (UA, 1992).
  • 4. Puskas, J.E.; Kaszas, G.; Kennedy, J.P. UV-curable Polymer Formulations.
    US 5,171,760 (UA, 1992).
  • 3. Kennedy, J.P.; Kaszas, G.; Puskas, J.E.; Hager, W.G. New Thermoplastic
    Elastomers. US 4,946,899 (UA, 1990). FDA Approval for drug-eluting coronary
    stent application (Licensed to Boston Scientific Co., 2004); in commercial
    production (Kaneka Inc.).
  • 2. Kaszas, G.; Puskas, J.E.; Kennedy, J.P. Improved Thermoplastic Elastomers. US
    208,374 (UA, 1989).
  • 1. Kaszas, G.; Kelen, T.; Kennedy, J.P.; Puskas, J.E.; Tudos, F. Cationic Process for
    the Preparation of Copolymers with Controlled Composition and Microstructure.
    US 548,671 (1983).

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