Inventor · disambiguated record
John C. Wollensak
Also filed as: LUCAST DONALD H · WOLLENSAK JOHN C
10 granted patents·130 citations·filing 1974–1984
89Inventor score
Files withETHYL CORP10
Top patents by PatentIndex Score
10 records- 0193US3931298AChemical process for forming 2,6-dimethylanilineETHYL CORP·Filed 1974·Granted Jan 6, 1976·35 cites·25 claims
- 0283US4066562AAntioxidantETHYL CORP·Filed 1976·Granted Jan 3, 1978·18 cites·16 claims
- 0373US4526905APolyurethanes from dialkyl diaminobenzenes and processes thereforETHYL CORP·Filed 1984·Granted Jul 2, 1985·21 cites·32 claims
- 0468US4128582AChemical processETHYL CORP·Filed 1974·Granted Dec 5, 1978·21 cites·66 claims
- 0557US4317931AProcess for rearrangement of alkyl groups on aromatic aminesETHYL CORP·Filed 1981·Granted Mar 2, 1982·5 cites·11 claims
- 0653US4314962APhenol extended polyurethanes prepared by RIM processETHYL CORP·Filed 1980·Granted Feb 9, 1982·17 cites·3 claims
- 0747US4269720AAmine antioxidantETHYL CORP·Filed 1979·Granted May 26, 1981·9 cites·7 claims
- 0845US4219503AProcess for producing 2,6-dialkylanilinesETHYL CORP·Filed 1979·Granted Aug 26, 1980·2 cites·24 claims
- 0938US4341903AProcess for rearrangement of alkyl groups on aromatic aminesETHYL CORP·Filed 1981·Granted Jul 27, 1982·1 cites·11 claims
- 1031US4104255AThioether bis phenolic antioxidantsETHYL CORP·Filed 1977·Granted Aug 1, 1978·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →