FH

Frank J. Hartdegen

W& W. R. Grace &: 5 patents #32 of 433Top 8%
📍 Columbia, MD: #278 of 1,501 inventorsTop 20%
🗺 Maryland: #6,535 of 35,612 inventorsTop 20%
Overall (All Time): #1,066,632 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4342834 Enzymes bound to polyurethane Louis L. Wood, Peter Hahn 1982-08-03
4312946 Preparation and use of enzymes bound to polyurethane Louis L. Wood, Peter Hahn 1982-01-26
4250267 Immobilized biological material Wayne E. Swann 1981-02-10
4237229 Immobilization of biological material with polyurethane polymers Wayne E. Swann 1980-12-02
4195127 Process for immobilizing proteins Wayne E. Swann 1980-03-25