Inventor
Robert Richard Dykstra
Inventor
Cleves, OH, US
Overview
Patents· 50 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C11Dprimary
C11DDetergent compositions39%
C07CAcyclic or carbocyclic compounds12%
A61KPreparations for medical, dental or toiletry purposes10%
A61QSpecific use of cosmetics or similar toiletry preparations10%
C07DHeterocyclic compounds7%
C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
B29BPreparation or pretreatment of the material to be shaped2%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts2%
PatentTitleYear
10,920,001Process for obtaining a cationic polymer with an at least bimodal molecular weight distribution202110,844,321Treatment compositions202010,745,494Cationic polymer with an at least bimodal molecular weight distribution202010,723,975Treatment compositions202010,689,600Treatment compositions202010,676,693Treatment compositions202010,626,351Treatment compositions202010,538,719Treatment compositions202010,519,402Treatment compositions201910,471,629Apparatus and process for forming particles201910,407,646Treatment compositions201910,301,579Packaged composition201910,266,792Treatment compositions20199,878,467'Apparatus and process for forming particles'20189,545,460'Process for freshening air'20179,347,022'Fabric treatment composition'20168,846,596'Liquid cleaning compositions'20148,815,789'Metal bleach catalysts'20148,211,848'Catalytic laundry detergent composition comprising relatively low levels of water-soluble electrolyte'20128,187,580'Polymeric assisted delivery using separate addition'20127,534,751'Photo-labile pro-fragrance conjugates'20097,524,807'Rinse-off personal care compositions comprising anionic and/or nonionic perfume polymeric particles'20097,425,527'Organic activator'20087,368,415'Photo-labile pro-fragrance conjugates'20087,365,043'Lipophilic fluid cleaning compositions capable of delivering scent'20087,316,994'Perfume polymeric particles'20087,262,156'Photo-labile pro-fragrance conjugates'20077,109,156'Controlled availability of formulation components, compositions and laundry methods employing same'20067,109,153'Photo-labile pro-fragrance conjugates'20067,071,151'Compositions comprising photo-labile perfume delivery'20066,987,084'Photo-labile pro-fragrance conjugates'20066,956,013'Photo-activated pro-fragrances'20056,919,304'Stability enhancing formulation components, compositions and laundry methods employing same'20056,903,060'Stable formulation components, compositions and laundry methods employing same'20056,887,838'Bleach boosting components, compositions and laundry methods'20056,825,160'Color safe laundry methods employing cationic formulation components'20046,821,935'Color safe laundry methods employing zwitterionic formulation components'20046,818,607'Bleach boosting components, compositions and laundry methods'20046,800,771'Stabilization of amido acids with antioxidants'20046,660,712'Stabilization of amido acids with antioxidants'20036,610,646'Enhanced duration fragrance delivery system having a non-distorted initial fragrance impression'20036,583,095'Synthesis of bleach activators'20036,527,690'Purification of phenyl ester salts'20036,514,925'O-substituted N,N-diacylhydroxylamine bleach activators and compositions employing the same'20036,423,676'O-substituted N,N-diacylhydroxylamine bleach activators and compositions employing the same'20026,369,250'Process for preparing and/or purifying amido acid phenyl ester sulfonates'20026,365,564'Asymmetrical imide bleach activators and compositions employing the same'20026,291,413'O-substituted N,N-diacylhydroxylamine bleach activators and compositions employing the same'20016,096,098'Asymmetrical bleach activators and compositions employing the same'20005,817,614'Color-safe bleach boosters, compositions and laundry methods employing same'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2020Patents assigned to PROCTER & GAMBLE (45)· patent assignee history
1998–2002Based in Fairfield, OH, US· patent location history
2003–2012Based in Cleves, OH, US· patent location history
2008–2020Based in West Chester, OH, US· patent location history
2012–2014Patents assigned to DYKSTRA ROBERT RICHARD (4)· patent assignee history
2012–2014Patents assigned to MIRACLE GREGORY SCOT (2)· patent assignee history
2012Patents assigned to BROOKER ALAN THOMAS (1)· patent assignee history
2020–2021Patents assigned to BASF SE (2)· patent assignee history
2020–2021Based in Cincinnati, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PROCTER & GAMBLE | 45 | 1998–2020 |
| DYKSTRA ROBERT RICHARDself | 4 | 2012–2014 |
| BASF SE | 2 | 2020–2021 |
| MIRACLE GREGORY SCOT | 2 | 2012–2014 |
| BROOKER ALAN THOMAS | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cleves, OH, US | 25 | 2003–2012 |
| West Chester, OH, US | 17 | 2008–2020 |
| Fairfield, OH, US | 6 | 1998–2002 |
| Cincinnati, OH, US | 2 | 2020–2021 |