PU

Per Ulmgren

📍 Lidingö, SE: #164 of 304 inventorsTop 55%
Overall (All Time): #3,866,937 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4981556 Process for the preparation of sulfide-free alkali liquor using copperoxide Mats-Olov Hedblom, Håkan Bergström 1991-01-01