HF

Harold H. Freedman

The Dow Chemical: 3 patents #1,092 of 4,115Top 30%
📍 Newton, MA: #1,235 of 2,747 inventorsTop 45%
🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,673,333 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4746755 Preparation of hydrantoic acids and hydantoins Albertha M. Paul 1988-05-24
4530905 Crosslinked gelatin foams 1985-07-23
4478938 Process for crosslinking polyamines 1984-10-23