Oil Chem Technologies

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Intl Class Technology # of Patents Rank
 
 
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR462
 
 
 
E21B EARTH OR ROCK DRILLING 372
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 2104
 
 
 
C07F ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM, OR TELLURIUM 147
 
 
 
C07D HETEROCYCLIC COMPOUNDS 0124

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2013/0109,879 Process for converting natural oils to surfactants and biofuelsJun 26, 12May 02, 13[C07C]
2012/0285,691 Permeability modification and water shut off composition and processMay 03, 12Nov 15, 12[E21B]
2012/0004,431 2-Alkyl alkoxylated alcohol sulfonateSep 10, 11Jan 05, 12[C07D]
2011/0120,707 Process for oil recovery using multifunctional anionic surfactantsNov 23, 09May 26, 11[E21B]
2011/0028,355 Non-estrogenic alkylphenol derivativesMar 09, 10Feb 03, 11[C09K, C07C]
2009/0023,950 Polyalkylated arylalkyl sulfonic acids and their saltsOct 29, 07Jan 22, 09[C07C]
2008/0302,531 Process for recovering oil from subterranean reservoirsJun 06, 08Dec 11, 08[E21B, C09K]
2004/0011,526 Method of using alkylsulfonated phenol/aldehyde resins as adsorption reducing agents for chemical flooding and soil remediationJul 22, 02Jan 22, 04[E21B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,680,313 Sulfonated amphoteric surfactantsOct 01, 13Mar 25, 14[C07C]
8,389,448 Anionic ether amines and process for using sameAug 06, 12Mar 05, 13[C09K]
7,998,911 Environmental friendly fracturing and stimulation composition and method of using the sameJan 15, 11Aug 16, 11[C09K]
7,977,284 Non-estrogenic alkylphenol derivativesMar 09, 10Jul 12, 11[E21B, C09K]
7,863,476 Multifunctional anionic surfactantsNov 23, 09Jan 04, 11[C07C]
7,629,299 Process for recovering residual oil employing alcohol ether sulfonatesJan 19, 08Dec 08, 09[C09K]
7,605,287 Polyalkylated arylalkyl sulfonic acids and their saltsAug 24, 07Oct 20, 09[C07C]
7,373,977 Process for oil recovery employing surfactant gelsMar 16, 05May 20, 08[E21B]
6,736,211 Method of using alkylsulfonated phenol/aldehyde resins as adsorption reducing agents for chemical floodingJul 22, 02May 18, 04[E21B]
6,043,391 Anionic surfactants based on alkene sulfonic acidJan 20, 98Mar 28, 00[C07F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2011/0120,707 Process for oil recovery using multifunctional anionic surfactantsNov 23, 09May 26, 11[E21B]
2008/0302,531 Process for recovering oil from subterranean reservoirsJun 06, 08Dec 11, 08[E21B, C09K]

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