Inventor · disambiguated record
Walter Kalk
Also filed as: KALK WALTER
4 granted patents·16 citations·filing 1975–1980
71Inventor score
Technology areasC07D
Files withBAYER AG4
Top patents by PatentIndex Score
4 records- 0172US4362874AQuaternary reactive compoundsBAYER AG·Filed 1980·Granted Dec 7, 1982·8 cites·9 claims
- 0262US4695632AQuaternary reactive compoundsBAYER AG·Filed 1979·Granted Sep 22, 1987·4 cites·10 claims
- 0355US4102924AProcess for the preparation of diaryl compoundsBAYER AG·Filed 1975·Granted Jul 25, 1978·3 cites·8 claims
- 0437US4139530ABenzo-[c]-cinnolinium dyestuffsBAYER AG·Filed 1977·Granted Feb 13, 1979·1 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →