Inventor · disambiguated record
Helmut Engelhard
Also filed as: ENGELHARD HELMUT
4 granted patents·34 citations·filing 1975–1985
73Inventor score
Files withBAYER AG4
Top patents by PatentIndex Score
4 records- 0169US4245110APolyalkylene oxide-containing urethane polyols with sulphonic acid groupsBAYER AG·Filed 1975·Granted Jan 13, 1981·17 cites·3 claims
- 0247US4248934AFibre and filament mixtures containing high-shrinkage bifilar poly(mod)acrylic filaments or fibres modified with carbon blackBAYER AG·Filed 1978·Granted Feb 3, 1981·10 cites·5 claims
- 0346US4629468AProcess for treating cellulosic fibre materialBAYER AG·Filed 1985·Granted Dec 16, 1986·7 cites·20 claims
- 0431US4166186ADihydroxy carbamates containing sulphonic acid groupsBAYER AG·Filed 1975·Granted Aug 28, 1979·0 cites·2 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →