Inventor · disambiguated record
Ralph Edward Rypkema
Also filed as: RYPKEMA RALPH E · RYPKEMA RALPH EDWARD
7 granted patents·2 pending applications·279 citations·filing 1991–2005
88Inventor score
Files withRECKITT BENCKISER INC5RECKITT & COLMAN INC2RECKITT BENCKISER INC MORRIS C1STERLING DRUG INC1
Top patents by PatentIndex Score
9 records- 0191US6017869AAqueous cleaning and disinfecting compositions which include quaternary ammonium compounds, block copolymer surfactants and further mitigating compounds which compositions feature reduced irritationRECKITT & COLMAN INC·Filed 1999·Granted Jan 25, 2000·80 cites·11 claims
- 0281US6184195B1Blooming type germicidal hard surface cleaners comprising biphenyl-based solventsRECKITT BENCKISER INC·Filed 1998·Granted Feb 6, 2001·41 cites·12 claims
- 0378US6268327B1Aqueous cleaning and disinfecting compositions based on quaternary ammonium componunds including alkylamphoacetates having reduced irritation characteristicsRECKITT BENCKISER INC·Filed 1999·Granted Jul 31, 2001·37 cites·23 claims
- 0478US6143710AAqueous cleaning and disinfecting compositions having reduced irritation characteristics based on quaternary ammonium compounds including block copolymer surfactants and further surfactantsRECKITT BENCKISER INC·Filed 1999·Granted Nov 7, 2000·37 cites·8 claims
- 0577US6022841AAqueous cleaning and disinfecting compositions based on quaternary ammonium compounds including alkoxylated fatty acid amines having reduced irritation characteristicsRECKITT & COLMAN INC·Filed 1999·Granted Feb 8, 2000·35 cites·12 claims
- 0677US5338475ACarpet cleaning composition with bleachSTERLING DRUG INC·Filed 1991·Granted Aug 16, 1994·46 cites·7 claims
- 0742US2006111265A1Acidic hard surface cleanersRECKITT BENCKISER INC MORRIS C·Filed 2003·Application pending·0 cites
- 0841US2008312327A1Organic CompositionsRECKITT BENCKISER INC·Filed 2005·Application pending·0 cites
- 0933US6930081B1Aqueous cleaning and disinfecting compositions based on quaternary ammonium compounds including alkylpolyglycoside surfactants having reduced irritation characteristicsRECKITT BENCKISER INC·Filed 1999·Granted Aug 16, 2005·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →