DB

Donald Bernard Bivens

EA E.I. Du Pont De Nemours And: 2 patents #65 of 718Top 10%
📍 Kennett Square, PA: #3 of 22 inventorsTop 15%
🗺 Pennsylvania: #357 of 4,234 inventorsTop 9%
Overall (1994): #35,313 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5284596 Substantially constant boiling compositions of 1,1,1,2-tetra-fluoroethane and dimethyl ether Akimichi Yokozeki 1994-02-08
5277834 Near-azeotropic blends for use as refrigerants Mark Brandon Shiflett, Akimichi Yokozeki 1994-01-11