Inventor · disambiguated record
Frederick J. Sibert
Also filed as: SIBERT FREDERICK J
3 granted patents·51 citations·filing 1976–1987
70Inventor score
Files withNALCO CHEMICAL CO3
Top patents by PatentIndex Score
3 records- 0186US4070321AProcess for the preparation of water-in-oil emulsions of water soluble vinyl carboxylic acid polymers and copolymersNALCO CHEMICAL CO·Filed 1976·Granted Jan 24, 1978·41 cites·5 claims
- 0237US4363752ACatalyst of activated copper-zinc alloy and its use in hydrating acrylonitrileNALCO CHEMICAL CO·Filed 1981·Granted Dec 14, 1982·5 cites·37 claims
- 0331US4734203ACopper chelants/dispersants and their applications for boiler internal treatmentNALCO CHEMICAL CO·Filed 1987·Granted Mar 29, 1988·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →