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Alfred Dratva

CC Ciba Specialty Chemicals: 1 patents #108 of 295Top 40%
📍 Bottmingen, CH: #3 of 9 inventorsTop 35%
Overall (2002): #258,661 of 266,432Top 100%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6362138 Heterocyclic thioethers as additives for lubricants Hugo Camenzind, Samuel Evans, Peter Hänggi 2002-03-26