Inventor
DYKSTRA ROBERT RICHARD
US54 patents
⚠️ This page may combine multiple inventors who share the name “DYKSTRA ROBERT RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PROCTER & GAMBLE
45 patentsUS5817614AOct 6, 1998
Color-safe bleach boosters, compositions and laundry methods employing same
PROCTER & GAMBLE210 citations99
US7109153B2Sep 19, 2006
Photo-labile pro-fragrance conjugates
PROCTER & GAMBLE71 citations98
US7071151B2Jul 4, 2006
Compositions comprising photo-labile perfume delivery
PROCTER & GAMBLE68 citations98
US6987084B2Jan 17, 2006
Photo-labile pro-fragrance conjugates
PROCTER & GAMBLE78 citations98
US6956013B2Oct 18, 2005
Photo-activated pro-fragrances
PROCTER & GAMBLE77 citations98
US7524807B2Apr 28, 2009
Rinse-off personal care compositions comprising anionic and/or nonionic perfume polymeric particles
PROCTER & GAMBLE56 citations97
US6610646B2Aug 26, 2003
Enhanced duration fragrance delivery system having a non-distorted initial fragrance impression
PROCTER & GAMBLE65 citations96
US6887838B2May 3, 2005
Bleach boosting components, compositions and laundry methods
PROCTER & GAMBLE32 citations93
US6825160B1Nov 30, 2004
Color safe laundry methods employing cationic formulation components
PROCTER & GAMBLE24 citations93
US6818607B1Nov 16, 2004
Bleach boosting components, compositions and laundry methods
PROCTER & GAMBLE22 citations93
US9347022B1May 24, 2016
Fabric treatment composition
PROCTER & GAMBLE44 citations92
US6821935B1Nov 23, 2004
Color safe laundry methods employing zwitterionic formulation components
PROCTER & GAMBLE23 citations92
US6919304B2Jul 19, 2005
Stability enhancing formulation components, compositions and laundry methods employing same
PROCTER & GAMBLE37 citations87
US6903060B1Jun 7, 2005
Stable formulation components, compositions and laundry methods employing same
PROCTER & GAMBLE36 citations87
US10266792B2Apr 23, 2019
Treatment compositions
PROCTER & GAMBLE14 citations85
US10538719B2Jan 21, 2020
Treatment compositions
PROCTER & GAMBLE6 citations84
US7365043B2Apr 29, 2008
Lipophilic fluid cleaning compositions capable of delivering scent
PROCTER & GAMBLE13 citations84
US7109156B1Sep 19, 2006
Controlled availability of formulation components, compositions and laundry methods employing same
PROCTER & GAMBLE16 citations84
US10689600B2Jun 23, 2020
Treatment compositions
PROCTER & GAMBLE8 citations83
US10471629B2Nov 12, 2019
Apparatus and process for forming particles
PROCTER & GAMBLE7 citations82
US10301579B2May 28, 2019
Packaged composition
PROCTER & GAMBLE9 citations82
US9878467B2Jan 30, 2018
Apparatus and process for forming particles
PROCTER & GAMBLE12 citations82
US7316994B2Jan 8, 2008
Perfume polymeric particles
PROCTER & GAMBLE11 citations82
US7368415B2May 6, 2008
Photo-labile pro-fragrance conjugates
PROCTER & GAMBLE5 citations74
US7262156B2Aug 28, 2007
Photo-labile pro-fragrance conjugates
PROCTER & GAMBLE7 citations74
US6291413B1Sep 18, 2001
O-substituted N,N-diacylhydroxylamine bleach activators and compositions employing the same
PROCTER & GAMBLE7 citations74
US6096098AAug 1, 2000
Asymmetrical bleach activators and compositions employing the same
PROCTER & GAMBLE11 citations74
US10723975B2Jul 28, 2020
Treatment compositions
PROCTER & GAMBLE4 citations72
US10676693B2Jun 9, 2020
Treatment compositions
PROCTER & GAMBLE4 citations72
US10519402B2Dec 31, 2019
Treatment compositions
PROCTER & GAMBLE4 citations72
US10844321B2Nov 24, 2020
Treatment compositions
PROCTER & GAMBLE4 citations71
US9545460B2Jan 17, 2017
Process for freshening air
PROCTER & GAMBLE3 citations70
US7534751B2May 19, 2009
Photo-labile pro-fragrance conjugates
PROCTER & GAMBLE2 citations63
US7425527B2Sep 16, 2008
Organic activator
PROCTER & GAMBLE6 citations63
US6369250B1Apr 9, 2002
Process for preparing and/or purifying amido acid phenyl ester sulfonates
PROCTER & GAMBLE2 citations63
US6365564B1Apr 2, 2002
Asymmetrical imide bleach activators and compositions employing the same
PROCTER & GAMBLE6 citations63
US12215299B2Feb 4, 2025
Treatment compositions
PROCTER & GAMBLE0 citations62
US11643618B2May 9, 2023
Treatment compositions
PROCTER & GAMBLE1 citations62
US11306275B2Apr 19, 2022
Treatment compositions
PROCTER & GAMBLE0 citations62
US10626351B2Apr 21, 2020
Treatment compositions
PROCTER & GAMBLE1 citations62
US11261402B2Mar 1, 2022
Treatment compositions
PROCTER & GAMBLE0 citations52
US10407646B2Sep 10, 2019
Treatment compositions
PROCTER & GAMBLE0 citations52
US6583095B1Jun 24, 2003
Synthesis of bleach activators
PROCTER & GAMBLE0 citations52
US6514925B1Feb 4, 2003
O-substituted N,N-diacylhydroxylamine bleach activators and compositions employing the same
PROCTER & GAMBLE0 citations52
US6423676B2Jul 23, 2002
O-substituted N,N-diacylhydroxylamine bleach activators and compositions employing the same
PROCTER & GAMBLE1 citations52
DYKSTRA ROBERT RICHARD
3 patentsUS8187580B2May 29, 2012
Polymeric assisted delivery using separate addition
DYKSTRA ROBERT RICHARD25 citations91
US8211848B2Jul 3, 2012
Catalytic laundry detergent composition comprising relatively low levels of water-soluble electrolyte
DYKSTRA ROBERT RICHARD7 citations82
US8846596B2Sep 30, 2014
Liquid cleaning compositions
DYKSTRA ROBERT RICHARD1 citations47
TÉTARD DAVID
1 patentBASF SE
1 patentShowing the top 50 of 54 patents by PatentIndex Score.