DB

Donald Bernard Bivens

EA E.I. Du Pont De Nemours And: 27 patents #162 of 8,010Top 3%
TF The Chemours Company Fc: 3 patents #51 of 195Top 30%
📍 Kennett Square, PA: #16 of 289 inventorsTop 6%
🗺 Pennsylvania: #1,639 of 74,527 inventorsTop 3%
Overall (All Time): #113,191 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
5403504 Process for heating and cooling using substantially constant boiling compositions of fluorinated hydrocarbons Mark Brandon Shiflett, Akimichi Yokozeki 1995-04-04
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
5262077 Halocarbon blends Brooks Shawn Lunger 1993-11-16
5182040 Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane Philip L. Bartlett, Brooks Shawn Lunger, Akimichi Yokozeki 1993-01-26
5061394 Azeotropic composition of 1-chloro-1,2,2,2-tetrafluoroethane and dimethyl ether Akimichi Yokozeki, Philip L. Bartlett, Joseph Anthony Creazzo 1991-10-29
4810403 Halocarbon blends for refrigerant use Helen A. Connon 1989-03-07