SH

Stephen D. Harper

AT Arco Chemical Technology: 2 patents #7 of 30Top 25%
📍 West Chester, PA: #5 of 58 inventorsTop 9%
🗺 Pennsylvania: #313 of 3,759 inventorsTop 9%
Overall (1989): #15,507 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4877906 Purification of polyols prepared using double metal cyanide complex catalysts — 1989-10-31
4843054 Preparation of filterable double metal cyanide complex catalyst for propylene oxide polymerization — 1989-06-27