Inventor · disambiguated record

William J. Ferrell

Also filed as: FERRELL WILLIAM J

2 granted patents·23 citations·filing 1986–1988

59Inventor score

Technology areasC08K Y10T

Files withSTEPAN CO2

Top patents by PatentIndex Score

2 records

0167US4788054AN-phenylphthalisomides as ultraviolet radiation absorbersSTEPAN CO·Filed 1986·Granted Nov 29, 1988·18 cites·19 claims
0233US4857305AN-phenylphthalisoimides as ultraviolet radiation absorbersSTEPAN CO·Filed 1988·Granted Aug 15, 1989·5 cites·8 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →