Inventor · disambiguated record
William W. Willis, Jr.
Also filed as: WILLIS JR WILLIAM W · WILLIS JR WILLIAM WOODFORD
7 granted patents·138 citations·filing 1995–1999
87Inventor score
Technology areasC10M
Files withCHEVRON CHEM CO6
Top patents by PatentIndex Score
7 records- 0182US5861363APolyalkylene succinimide composition useful in internal combustion enginesCHEVRON CHEM CO·Filed 1998·Granted Jan 19, 1999·43 cites·9 claims
- 0264US5808145ADetergent-dispersant additives for lubricating oils of the sulfurized and superalkalized alkaline earth alkylsalicylate-alkylphenate typeFiled 1995·Granted Sep 15, 1998·20 cites·3 claims
- 0361US5529705AMethods for preparing normal and overbased phenatesCHEVRON CHEM CO·Filed 1995·Granted Jun 25, 1996·19 cites·21 claims
- 0460US6001785ADetergent-dispersant additives for lubricating oils of the sulphurised and superalkalised, alkaline earth alkylsalicylate-alkaylphenate typeCHEVRON CHEM CO·Filed 1998·Granted Dec 14, 1999·16 cites·2 claims
- 0558US6235688B1Detergent containing lithium metal having improved dispersancy and deposit controlCHEVRON CHEM CO·Filed 1997·Granted May 22, 2001·18 cites·32 claims
- 0651US5677270AMethods for preparing normal and overbased phenatesCHEVRON CHEM CO·Filed 1996·Granted Oct 14, 1997·14 cites·25 claims
- 0743US6291408B1Detergent-dispersant additives for lubricating oils of the sulphurized and superalkalized alkaline earth alkylsalicylate-alkylphenate typeCHEVRON CHEM CO·Filed 1999·Granted Sep 18, 2001·8 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when William W. Willis, Jr. 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 →