Inventor · disambiguated record
Richard D. Christie
Also filed as: CHRISTIE RICHARD D
3 granted patents·35 citations·filing 1986–1989
64Inventor score
Technology areasB03D
Files withNALCO CHEMICAL CO3
Top patents by PatentIndex Score
3 records- 0173US4915825AProcess for coal flotation using 4-methyl cyclohexane methanol frothersNALCO CHEMICAL CO·Filed 1989·Granted Apr 10, 1990·33 cites·21 claims
- 0228US4744891AFlotation of apatite from magnatiteNALCO CHEMICAL CO·Filed 1986·Granted May 17, 1988·2 cites·5 claims
- 0322US4710285AVermiculite flotation promoterNALCO CHEMICAL CO·Filed 1986·Granted Dec 1, 1987·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →