GF

Geoffrey E. Ficken

CI Ciba-Geigy: 3 patents #802 of 2,867Top 30%
IA Ilford Ag: 1 patents #22 of 48Top 50%
📍 Ilford, GB: #10 of 62 inventorsTop 20%
Overall (All Time): #1,299,427 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4996141 Monomethine compounds Douglas J. Edwards, Clive W. Mowforth, Trevor J. Maternaghan, Rolf Steiger, Victor W. Dolden 1991-02-26
4804599 Optical sensitizing dyes 1989-02-14
4728601 Tetra-aza indene compounds David Rowland, Michael E. Dale, William E. Long, Andrew W. Yates 1988-03-01
4287348 Preparation of sulphoalkyl quaternary salts Rainer Kitzing, Victor W. Dolden 1981-09-01