Inventor
DAHANAYAKE MANILAL S
US36 patents
⚠️ This page may combine multiple inventors who share the name “DAHANAYAKE MANILAL S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RHODIA
22 patentsUS6831108B2Dec 14, 2004
Viscoelastic surfactant fluids and related methods of use
RHODIA111 citations99
US6204297B1Mar 20, 2001
Nonionic gemini surfactants
RHODIA95 citations98
US7461694B2Dec 9, 2008
Methods for recovering oil from an oil reservoir
RHODIA30 citations96
US6277801B1Aug 21, 2001
Low foaming surfactant compositions useful in highly alkaline caustic cleaners
RHODIA21 citations91
US6242404B1Jun 5, 2001
Enhanced soil release polymer compositions
RHODIA37 citations89
US6004466ADec 21, 1999
Recovery and reuse of sugar-derived nonionic surfactants from aqueous solutions
RHODIA22 citations89
US5919980AJul 6, 1999
Recovery and reuse of amphoteric surfactants from aqueous solutions
RHODIA18 citations89
US7786179B2Aug 31, 2010
Demulsifiers in solvent base for separating emulsions and methods of use
RHODIA12 citations83
US6476168B1Nov 5, 2002
Emulsions having activating agents of alkoxylates of 6, 6-dimethylbicyclo [3.1.1] hept-2-ene-2-ethanol
RHODIA17 citations83
US5945393AAug 31, 1999
Nonionic gemini surfactants
RHODIA16 citations82
US6121222ASep 19, 2000
Anionic surfactants having multiple hydrophobic and hydrophilic groups
RHODIA10 citations74
US5811384ASep 22, 1998
Nonionic gemini surfactants
RHODIA16 citations74
US6207058B1Mar 27, 2001
Recovery and reuse of nonionic surfactants from aqueous solutions
RHODIA11 citations72
US6013185AJan 11, 2000
Recovery and reuse of nonionic surfactants from aqueous solutions
RHODIA9 citations72
US5843317ADec 1, 1998
Recovery and reuse of anionic surfactants from aqueous solutions
RHODIA16 citations70
US7789144B2Sep 7, 2010
Methods for recovering oil from an oil reservoir
RHODIA1 citations62
US7779913B2Aug 24, 2010
Methods for recovering oil from an oil reservoir
RHODIA2 citations62
US7770642B2Aug 10, 2010
Methods for recovering oil from an oil reservoir
RHODIA2 citations62
US7629296B2Dec 8, 2009
Composition and method for thickening heavy aqueous brines with cationic guar
RHODIA4 citations62
US7404442B2Jul 29, 2008
Method of recycling fracturing fluids using a self-degrading foaming composition
RHODIA5 citations62
US7789143B2Sep 7, 2010
Methods for recovering oil from an oil reservoir
RHODIA0 citations51
US7784540B2Aug 31, 2010
Method for recovering oil from an oil reservoir
RHODIA0 citations51
SCHLUMBERGER TECHNOLOGY CORP
3 patentsUS6703352B2Mar 9, 2004
Viscoelastic surfactant fluids and related methods of use
SCHLUMBERGER TECHNOLOGY CORP270 citations99
US6482866B1Nov 19, 2002
Viscoelastic surfactant fluids and related methods of use
SCHLUMBERGER TECHNOLOGY CORP192 citations99
US7279446B2Oct 9, 2007
Viscoelastic surfactant fluids having enhanced shear recovery, rheology and stability performance
SCHLUMBERGER TECHNOLOGY CORP67 citations97