Inventor · disambiguated record

Richard Lee Wappelhorst

Also filed as: WAPPELHORST RICHARD LEE

2 granted patents·33 citations·filing 2000–2003

57Inventor score

Technology areasC07C

Files withINEOS USA LLC1 STANDARD OIL CO1

Top patents by PatentIndex Score

2 records

0189US6326508B1Purification and recovery of acetonitrileSTANDARD OIL CO·Filed 2000·Granted Dec 4, 2001·32 cites·16 claims
0251US7491838B2Purification of acetonitrile by a distillative recovery/ion exchange resin treatment processINEOS USA LLC·Filed 2003·Granted Feb 17, 2009·1 cites·17 claims

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