Inventor
HEDGES JAMES H
US33 patents
⚠️ This page may combine multiple inventors who share the name “HEDGES JAMES H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CONOCOPHILLIPS CO
19 patentsUS9267075B2Feb 23, 2016
Swellable polymer with anionic sites
CONOCOPHILLIPS CO11 citations84
US9139762B2Sep 22, 2015
Swellable polymer with cationic sites
CONOCOPHILLIPS CO10 citations84
US10323174B2Jun 18, 2019
Delayed gelling agents
CONOCOPHILLIPS CO9 citations82
US10407612B2Sep 10, 2019
Low PH crosslinking of polymers
CONOCOPHILLIPS CO3 citations73
US11396624B2Jul 26, 2022
Nanogels for delayed gelation
CONOCOPHILLIPS CO1 citations72
US11186765B2Nov 30, 2021
Delayed gelling agents
CONOCOPHILLIPS CO3 citations72
US10752826B2Aug 25, 2020
Nanogels for delayed gelation
CONOCOPHILLIPS CO2 citations72
US10093848B2Oct 9, 2018
Delayed gelling agents
CONOCOPHILLIPS CO3 citations72
US9796909B2Oct 24, 2017
Nanogels for delayed gelation
CONOCOPHILLIPS CO3 citations72
US11466198B2Oct 11, 2022
Crosslinking of swellable polymer with PEI
CONOCOPHILLIPS CO3 citations71
US11820939B2Nov 21, 2023
Nanogels for delayed gelation
CONOCOPHILLIPS CO0 citations62
US11814578B2Nov 14, 2023
Delayed gelling agents
CONOCOPHILLIPS CO0 citations62
US11634626B2Apr 25, 2023
Delayed gelling agents
CONOCOPHILLIPS CO0 citations62
US11401455B2Aug 2, 2022
Low pH crosslinking of polymers
CONOCOPHILLIPS CO0 citations62
US11390795B2Jul 19, 2022
Delayed gelling agents
CONOCOPHILLIPS CO0 citations62
US11136492B2Oct 5, 2021
Low pH crosslinking of polymers
CONOCOPHILLIPS CO0 citations62
US12037544B2Jul 16, 2024
Crosslinking of swellable polymer with PEI
CONOCOPHILLIPS CO0 citations61
US9644136B2May 9, 2017
Low pH crosslinking of polymers
CONOCOPHILLIPS CO0 citations52
US9139760B2Sep 22, 2015
Crosslinked swellable polymer
CONOCOPHILLIPS CO0 citations51
PHILLIPS PETROLEUM CO
8 patentsUS5382371AJan 17, 1995
Polymers useful in the recovery and processing of natural resources
PHILLIPS PETROLEUM CO105 citations96
US5080809AJan 14, 1992
Polymers useful in the recovery and processing of natural resources
PHILLIPS PETROLEUM CO110 citations96
US5186257AFeb 16, 1993
Polymers useful in the recovery and processing of natural resources
PHILLIPS PETROLEUM CO75 citations94
US4274488AJun 23, 1981
Cosurfactant in preflush for surfactant flood system
PHILLIPS PETROLEUM CO9 citations72
US4265308AMay 5, 1981
Oil recovery method using unique salinity for oil recovery surfactant system
PHILLIPS PETROLEUM CO17 citations72
US4258789AMar 31, 1981
Cosurfactant blends for oil recovery surfactant system
PHILLIPS PETROLEUM CO15 citations72
US4330418AMay 18, 1982
Characterizing hydrocarbon sulfonates and utilization of hydrocarbon sulfonates in oil recovery
PHILLIPS PETROLEUM CO10 citations70
US4473116ASep 25, 1984
Method of determining sodium chloride equivalency for improved oil recovery processes using surfactant compositions
PHILLIPS PETROLEUM CO5 citations63
MORADI-ARAGHI AHMAD
4 patentsUS8691736B2Apr 8, 2014
Swellable polymer with cationic sites
MORADI-ARAGHI AHMAD6 citations83
US8669214B2Mar 11, 2014
Swellable polymer with anionic sites
MORADI-ARAGHI AHMAD11 citations83
US8389446B2Mar 5, 2013
Swellable polymers with hydrophobic groups
MORADI-ARAGHI AHMAD10 citations83
US8648018B2Feb 11, 2014
Crosslinked swellable polymer
MORADI-ARAGHI AHMAD3 citations61