WR

William Charles Ripka

EA E.I. Du Pont De Nemours And: 2 patents #38 of 563Top 7%
📍 Wilmington, DE: #21 of 264 inventorsTop 8%
🗺 Delaware: #44 of 479 inventorsTop 10%
Overall (1989): #12,980 of 140,708Top 10%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4859697 Substituted acenaphthenes and their use as inhibitors of phospholipase A2 William J. Sipio 1989-08-22
4806671 Substituted acenaphthenes and their use as inhibitors of phospholipase A.sub.2 William J. Sipio 1989-02-21