RO

Robert J. Opalko

FE Ferro: 7 patents #24 of 431Top 6%
Overall (All Time): #755,280 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7053154 Impact modified polyolefin compositions Ann M. Panek, Anna Andrews, Haleh Ayrom-Keuchel, Paul J. DeFranco 2006-05-30
7041742 Impact modified thermoplastic olefin compositions Ann M. Panek, Anna Andrews, Haleh Ayrom-Keuchel, Paul J. DeFranco 2006-05-09
6469083 No dry master batch for polyester resins 2002-10-22
5759472 Liquid color system for use in rotational molding and method of using the same Paul J. DeFranco 1998-06-02
5670561 Color concentrates and polymer compositions containing the same, and methods of making the same Anthony S. Scheibelhoffer, Richard L. Abrams, Dianna B. Dusek, Dennis L. Hammond, Ronald E. Thompson 1997-09-23
5443768 Abrasive and purge compositions Anthony S. Scheibelhoffer, Dianna B. Dusek, Dennis L. Hammond, Surachai Wimolkiatisak, William R. Myers +1 more 1995-08-22
5395456 Abrasive and purge compositions and methods of using the same Richard L. Abrams 1995-03-07