DL

David G. Leppard

CC Ciba Specialty Chemicals: 2 patents #56 of 295Top 20%
📍 Marly, CH: #3 of 6 inventorsTop 50%
Overall (2002): #68,960 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6495622 Dimeric light stabilizers for polyolefines and polyolefine copolymers Vien Van Toan, Roland A. E. Winter, Michela Bonora 2002-12-17
6361925 Photoinitiator mixtures and compositions with alkylphenylbisacylphosphine oxides Manfred Kohler, Andreas Valet 2002-03-26