IS

Irwin B. Silverstein

II Isp Investments: 2 patents #158 of 418Top 40%
MC M&T Chemicals: 1 patents #40 of 82Top 50%
Overall (All Time): #1,273,216 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6418702 Storage stabilized oxygen degradable polymer Chi-San Wu, Laurence Senak, Donna Osborne, James F. Curry, Charles B. Schriver 2002-07-16
6331333 Storage stabilized oxygen degradable polymer Chi-San Wu, Laurence Senak, Donna Osborne, James F. Curry, Charles B. Schriver 2001-12-18
5413424 Ribbon cassette including an inking device 1995-05-09
4645844 Functionally substituted phenoxyalkyl alkoxysilanes and method for preparing same Abe Berger 1987-02-24