HP

Hermann Piana

DA Degussa Ag: 1 patents #35 of 166Top 25%
📍 Hanau, NY: #2 of 3 inventorsTop 70%
Overall (1994): #127,046 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5373068 Use of isophoronediamine isomer mixtures in polyaddition resins Klaus Huthmacher 1994-12-13