Inventor · disambiguated record
Derek Pakenham
Also filed as: PAKENHAM DEREK
20 granted patents·3 pending applications·165 citations·filing 1995–2023
95Inventor score
Top patents by PatentIndex Score
23 records- 0197US7772421B2Compositions having HASE rheology modifiersRHODIA·Filed 2006·Granted Aug 10, 2010·33 cites·1 claims
- 0296US8071674B2Compositions having HASE rheology modifiersYANG HUI SHIRLEY·Filed 2010·Granted Dec 6, 2011·22 cites·7 claims
- 0395US8501983B2Composition having HASE rheology modifiersYANG HUI SHIRLEY·Filed 2011·Granted Aug 6, 2013·7 cites·3 claims
- 0494US8637624B2Compositions having HASE rheology modifiersRHODIA OPERATIONS·Filed 2013·Granted Jan 28, 2014·5 cites·32 claims
- 0594US8106239B2Low VOC coalescing agentsZHOU LICHANG·Filed 2009·Granted Jan 31, 2012·23 cites·8 claims
- 0693US10029967B2Tri-substituted aromatic-containing monomers, copolymers and methods for useRHODIA OPERATIONS·Filed 2015·Granted Jul 24, 2018·5 cites·19 claims
- 0790US9005592B2Compositions having HASE rheology modifiersRHODIA OPERATIONS·Filed 2013·Granted Apr 14, 2015·2 cites·51 claims
- 0890US8507624B2Compositions having hase rheology modifiersYANG HUI SHIRLEY·Filed 2011·Granted Aug 13, 2013·4 cites·14 claims
- 0989US8501865B2Compositions having HASE rheology modifiersRHODIA OPERATIONS·Filed 2012·Granted Aug 6, 2013·4 cites·27 claims
- 1088US8505631B2Compositions having HASE rheology modifiersYANG HUI SHIRLEY·Filed 2011·Granted Aug 13, 2013·4 cites·15 claims
- 1188US8501860B2Compositions having HASE rheology modifiersYANG HUI SHIRLEY·Filed 2011·Granted Aug 6, 2013·4 cites·15 claims
- 1286US8586777B2Low VOC coalescing agentsZHOU LICHANG·Filed 2011·Granted Nov 19, 2013·3 cites·14 claims
- 1378US7695557B2Efficient coalescing agentsRHODIA·Filed 2009·Granted Apr 13, 2010·2 cites·2 claims
- 1474US9688780B2Allyl ether sulfate polymerizable surfactants and methods for useRHODIA OPERATIONS·Filed 2015·Granted Jun 27, 2017·1 cites·10 claims
- 1574US2024110102A1Polymerizable surfactants having water whitening resistance and methods for useRHODIA OPERATIONS·Filed 2023·Application pending·0 cites
- 1670US6232496B1Process for the preparation of amphoacetate surfactantsRHONE POULENC CHEMICALS·Filed 1995·Granted May 15, 2001·42 cites·6 claims
- 1765US11884867B2Polymerizable surfactants having water whitening resistance and methods for useRHODIA OPERATIONS·Filed 2020·Granted Jan 30, 2024·0 cites·21 claims
- 1865US2010064934A1Efficient coalescing agentsRHODIA·Filed 2009·Application pending·0 cites
- 1961US9650323B2Tri-substituted aromatic-containing additives and surfactants and methods for useRHODIA OPERATIONS·Filed 2015·Granted May 16, 2017·0 cites·21 claims
- 2043US2016333213A1Dispersing aids or blends thereof to prepare universal colorants for aqueous and non-aqueous paints and coatingRHODIA OPERATIONS·Filed 2016·Application pending·0 cites
- 2142US10836856B2Amine-imino dialcohol neutralizing agents for low volatile compound aqueous organic coating compositions and methods for using sameRHODIA OPERATIONS·Filed 2015·Granted Nov 17, 2020·0 cites·9 claims
- 2237US10259987B2Amine adducts, derivatives thereof, methods for making such adducts and derivatives, and methods for using such adducts and derivativesPAKENHAM DEREK·Filed 2012·Granted Apr 16, 2019·0 cites·5 claims
- 2335US5739367ACobalt catalystRHONE POULENC CHEMICALS·Filed 1996·Granted Apr 14, 1998·4 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →