RS

Roger Keith Siemionko

EA E.I. Du Pont De Nemours And: 16 patents #357 of 8,010Top 5%
📍 Newark, DE: #90 of 1,550 inventorsTop 6%
🗺 Delaware: #542 of 7,163 inventorsTop 8%
Overall (All Time): #301,594 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
7179413 Flash-spinning process and solution Hyunkook Shin, Carl G. Krespan 2007-02-20
6455619 Process for improving electrostatic charging of plexifilaments David Jackson McGinty, Ervin Townsend Powers, Jr., Hyunkook Shin, David Martin Taylor 2002-09-24
6319970 Flash spinning process and flash spinning solution with azeotropes Hyunkook Shin, Nanlin Deng 2001-11-20
6303682 Flash spinning solution Hyunkook Shin 2001-10-16
6162379 Flash spinning process and flash spinning solution Hyunkook Shin 2000-12-19
6153134 Flash spinning process Hyunkook Shin, Nanlin Deng 2000-11-28
5985196 Flash spinning process and flash spinning solution Hyunkook Shin 1999-11-16
5977237 Flash-spinning solution Hyunkook Shin 1999-11-02
5874036 Flash-spinning process Hyunkook Shin 1999-02-23
5672307 Flash spinning process Hyunkook Shin 1997-09-30
5643525 Process for improving electrostatic charging of plexifilaments David Jackson McGinty, Ervin Townsend Powers, Jr., Hyunkook Shin, David Martin Taylor 1997-07-01
5290628 Hydroentangled flash spun webs having controllable bulk and permeability Hyun Sung Lim, Robert H. Peterson, James R. Vincent 1994-03-01
4412058 Aromatic polyesters and high strength filaments thereof 1983-10-25
4370466 Optically anisotropic melt forming polyesters 1983-01-25
4359569 Aromatic polyester and filaments 1982-11-16
4347349 Aromatic polyester and filaments 1982-08-31