Inventor · disambiguated record
Ekkehard Kramp
Also filed as: KRAMP EKKEHARD
3 granted patents·42 citations·filing 1974–1988
71Inventor score
Technology areasG03C
Files withCIBA GEIGY AG3
Top patents by PatentIndex Score
3 records- 0185US4254215AProcess for the prevention of darkening and the formation of a sediment in photographic developer solutionsCIBA GEIGY AG·Filed 1979·Granted Mar 3, 1981·21 cites·21 claims
- 0270US4898810ALayers for photographic materialsCIBA GEIGY AG·Filed 1988·Granted Feb 6, 1990·12 cites·26 claims
- 0352US3961957ADye bleach preparation for the photographic silver dye bleach processCIBA GEIGY AG·Filed 1974·Granted Jun 8, 1976·9 cites·16 claims
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