JI

John M. Iwasyk

EA E.I. Du Pont De Nemours And: 7 patents #1,065 of 8,010Top 15%
IS Invista North America S.A.R.L.: 1 patents #169 of 403Top 45%
📍 Wilmington, DE: #611 of 3,182 inventorsTop 20%
🗺 Delaware: #1,197 of 7,163 inventorsTop 20%
Overall (All Time): #661,899 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6875838 Process for reducing caprolactam and its oligomers in nylon-6 pre-polymer Albert W. Alsop, Carl E. Camp, Dilip Rajagopalan 2005-04-05
6405996 Control valve for extreme temperatures and pressures Albert W. Alsop, Earl W. Blackwell, David Douglas 2002-06-18
6069228 Process for preparing polyamides Albert W. Alsop, Elwood Neal Blanchard, Jeffrey D. Cohen, Clara Young Lin, David Neil Marks +1 more 2000-05-30
5811496 Process for polymerization of polyester oligomers Julie Anderson Rakestraw, Kenneth Wayne Leffew 1998-09-22
5506336 Continuous process for preparing a synthetic linear, fiber-forming polyamide 1996-04-09
5502154 Apparatus for processing materials 1996-03-26
5411710 Apparatus for processing materials 1995-05-02
4477271 Modified nozzles for polymer finishers Robert D. Sauerbrunn 1984-10-16