BK

Birgit Tora Gunvor Karlsson

BA Berol Kemi Ab: 1 patents #2 of 4Top 50%
📍 Stenungsund, SE: #1 of 4 inventorsTop 25%
Overall (1982): #74,092 of 81,411Top 95%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4315755 Hydrocarbon oils containing 1 to 10 percent emulsified water and emulsifiers therefor Karl M. E. Hellsten, Inger G. Johansson 1982-02-16