Inventor · disambiguated record

William A. Nigro

Also filed as: NIGRO WILLIAM A

2 granted patents·43 citations·filing 1988–1990

64Inventor score

Technology areasC01F

Files withALUMINUM CO OF AMERICA2

Top patents by PatentIndex Score

2 records

0169US5068095AMethod for reducing the amount of colorants in a caustic liquorALUMINUM CO OF AMERICA·Filed 1990·Granted Nov 26, 1991·22 cites·20 claims
0269US4915930AProcess for producing aluminum hydroxide of improved whitenessALUMINUM CO OF AMERICA·Filed 1988·Granted Apr 10, 1990·21 cites·29 claims

Join the waitlist — get patent alerts

Get an alert when William A. Nigro files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

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

William A. Nigro — Patent Inventor | PatentIndex