Inventor · disambiguated record
Joseph L. Kostusyk
Also filed as: KOSTUSYK JOSEPH L
3 granted patents·97 citations·filing 1985–1988
75Inventor score
Files withLUBRIZOL CORP3
Top patents by PatentIndex Score
3 records- 0187US4753745AMethylene linked aromatic pour point depressantLUBRIZOL CORP·Filed 1985·Granted Jun 28, 1988·43 cites·18 claims
- 0280US4880553AMethylene linked aromatic pour point depressantLUBRIZOL CORP·Filed 1988·Granted Nov 14, 1989·29 cites·5 claims
- 0372US4789402AMannich reaction product as asphalt antistripping agentLUBRIZOL CORP·Filed 1987·Granted Dec 6, 1988·25 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →