JL

John Lefas

IP Ingenia Polymers: 3 patents #2 of 17Top 15%
Overall (All Time): #1,215,488 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9193838 High concentration pelletized additive concentrates for polymer Salvatore D'Uva, Zach Charlton 2015-11-24
8361361 Foaming agents for thermoplastic resins and method of preparing same Art Tinson, Salvatore D'Uva, Jianzhong Hu 2013-01-29
8021585 Liquid compositions of polymer additives and method for their preparation Zach Charlton, Larry A. Spino, George Kalantzakis, Salvatore D'Uva 2011-09-20
5928584 Foamable compositions for rotational molding Clifford C. Lee, Donald T. Beuke, Andrew R. Feder, Salvatore D'Uva 1999-07-27