Inventor · disambiguated record
Ralph R. Nielsen
Also filed as: NIELSEN RALPH R
3 granted patents·51 citations·filing 1975–1979
72Inventor score
Files withNALCO CHEMICAL CO3
Top patents by PatentIndex Score
3 records- 0172US4022741AContinuous process for the preparation of a cationically modified acrylamide polymerNALCO CHEMICAL CO·Filed 1976·Granted May 10, 1977·24 cites·1 claims
- 0268US4021394AContinuous process for the preparation of a cationically modified acrylamide polymerNALCO CHEMICAL CO·Filed 1975·Granted May 3, 1977·20 cites·1 claims
- 0335US4208973ASoil anti-crustantNALCO CHEMICAL CO·Filed 1979·Granted Jun 24, 1980·7 cites·4 claims
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