DF

Douglas P. Freyberger

Air Products And Chemicals: 1 patents #1,147 of 1,997Top 60%
📍 Bethlehem, PA: #631 of 1,038 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #2,995,073 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9309346 Polyurethane foams made with blowing catalyst compositions containing primary hydroxyl groups and high ethylenediamine backbones Juan Jesus Burdeniuc 2016-04-12