Inventor
THETFORD DEAN
GB89 patents
⚠️ This page may combine multiple inventors who share the name “THETFORD DEAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZENECA LTD
14 patentsUS5700395ADec 23, 1997
Dispersants
ZENECA LTD61 citations96
US6197877B1Mar 6, 2001
Dispersants
ZENECA LTD69 citations94
US5486274AJan 23, 1996
Poly-substituted phthalocyanines
ZENECA LTD22 citations93
US6133366AOct 17, 2000
Compound, preparation and use
ZENECA LTD19 citations92
US5516899AMay 14, 1996
Phthalocyanines
ZENECA LTD31 citations92
US6069210AMay 30, 2000
Phosphate esters of polyoxyalkylene ether block copolymers and their dispersants
ZENECA LTD18 citations88
US6051627AApr 18, 2000
Phosphate esters of polyalkylene ether block copolymers and their use as dispersants
ZENECA LTD16 citations84
US5847114ADec 8, 1998
Poly-substituted phthalocyantines
ZENECA LTD12 citations74
US5608053AMar 4, 1997
Poly-substituted phthalocyanines
ZENECA LTD9 citations74
US5785894AJul 28, 1998
Dispersant for dispersing particulate solids
ZENECA LTD14 citations73
US5753022AMay 19, 1998
Process
ZENECA LTD16 citations73
US5629417AMay 13, 1997
Phthalocyanines
ZENECA LTD10 citations73
US5730759AMar 24, 1998
Poly-substituted phthalocyanines
ZENECA LTD2 citations63
US6191253B1Feb 20, 2001
Polyether phosphates
ZENECA LTD2 citations62
LUBRIZOL CORP
11 patentsUS7951211B2May 31, 2011
Quaternary ammonium salt detergents for use in fuels
LUBRIZOL CORP95 citations97
US7947093B2May 24, 2011
Quaternary ammonium salt detergents for use in fuels
LUBRIZOL CORP57 citations97
US7906470B2Mar 15, 2011
Quaternary ammonium salt of a Mannich compound
LUBRIZOL CORP38 citations92
US6787600B1Sep 7, 2004
Polyester dispersants
LUBRIZOL CORP32 citations85
US7767750B2Aug 3, 2010
Compositions
LUBRIZOL CORP17 citations84
US7008988B2Mar 7, 2006
Paint compositions
LUBRIZOL CORP11 citations84
US7732514B2Jun 8, 2010
Filler composites
LUBRIZOL CORP9 citations82
US7361692B2Apr 22, 2008
Dispersants
LUBRIZOL CORP7 citations74
US7348367B2Mar 25, 2008
Dispersants
LUBRIZOL CORP7 citations71
US6884286B2Apr 26, 2005
Dispersions containing polyether dispersants
LUBRIZOL CORP4 citations63
US7442327B2Oct 28, 2008
Use of dispersions in making electronic devices
LUBRIZOL CORP2 citations62
LUBRIZOL ADVANCED MAT INC
8 patentsUS10675889B2Jun 9, 2020
Dispersants for colouration of ceramic tiles using ink jet inks
LUBRIZOL ADVANCED MAT INC2 citations73
US9540486B2Jan 10, 2017
Aromatic dispersant composition
LUBRIZOL ADVANCED MAT INC2 citations72
US9534123B2Jan 3, 2017
Aromatic dispersant composition
LUBRIZOL ADVANCED MAT INC4 citations72
US11326105B2May 10, 2022
Multi-amine polyester dispersant made via an anhydride intermediate
LUBRIZOL ADVANCED MAT INC2 citations71
US9796861B2Oct 24, 2017
Ink jet ink compositions
LUBRIZOL ADVANCED MAT INC2 citations64
US12098318B2Sep 24, 2024
Multi-amine polyester dispersant made via an anhydride intermediate
LUBRIZOL ADVANCED MAT INC0 citations61
US11981831B2May 14, 2024
Multi-amine dispersant made via an anhydride intermediate
LUBRIZOL ADVANCED MAT INC0 citations61
US11661522B2May 30, 2023
Aliphatic ceramics dispersant
LUBRIZOL ADVANCED MAT INC0 citations61
AVECIA LTD
5 patentsUS6562897B1May 13, 2003
Ether/ester dispersants
AVECIA LTD21 citations93
US6509409B1Jan 21, 2003
Polyurethane dispersants
AVECIA LTD28 citations93
US6583213B1Jun 24, 2003
Amine dispersants
AVECIA LTD31 citations91
US6599947B2Jul 29, 2003
Dispersants
AVECIA LTD17 citations84
US6787628B2Sep 7, 2004
Polyether/polyurethane association thickeners
AVECIA LTD9 citations71
THETFORD DEAN
5 patentsUS8168713B2May 1, 2012
Dispersants and compositions thereof
THETFORD DEAN8 citations84
US8076409B2Dec 13, 2011
Dispersant and compositions thereof
THETFORD DEAN8 citations81
US8664350B2Mar 4, 2014
Polymeric coupling agents
THETFORD DEAN3 citations63
US8133914B2Mar 13, 2012
Compounds and compositions thereof
THETFORD DEAN2 citations63
US8809443B2Aug 19, 2014
Dispersant composition
THETFORD DEAN2 citations62
LUBRIZOL LTD
2 patentsSTEVENSON PAUL R
1 patentBARTON WILLIAM
1 patentBARTON WILLIAM R S
1 patentLUBRIZOL ADVANCED MATERIALS INC
1 patent(unassigned)
1 patentShowing the top 50 of 89 patents by PatentIndex Score.