Oil Chem Technologies

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR689
 
  
 
E21B EARTH OR ROCK DRILLING 690
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 3135
 
  
 
C07F ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM, OR TELLURIUM 169

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0066,178 COMPOSITIONS OF AND METHODS FOR USING HYDRAULIC FRACTURING FLUID FOR PETROLEUM PRODUCTIONNov 01, 17Mar 08, 18[C09K, E21B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9834721 Compositions of and methods for using hydraulic fracturing fluid for petroleum productionNov 17, 15Dec 05, 17[C09K, E21B]
9828543 Compositions of and methods for using hydraulic fracturing fluid for petroleum productionJun 07, 16Nov 28, 17[C09K, E21B]
8680313 Sulfonated amphoteric surfactantsOct 01, 13Mar 25, 14[C07C]
7998911 Environmental friendly fracturing and stimulation composition and method of using the sameJan 15, 11Aug 16, 11[C09K]
7977284 Non-estrogenic alkylphenol derivativesMar 09, 10Jul 12, 11[C09K, E21B]
7863476 Multifunctional anionic surfactantsNov 23, 09Jan 04, 11[C07C]
7373977 Process for oil recovery employing surfactant gelsMar 16, 05May 20, 08[E21B]
6736211 Method of using alkylsulfonated phenol/aldehyde resins as adsorption reducing agents for chemical floodingJul 22, 02May 18, 04[E21B]
6043391 Anionic surfactants based on alkene sulfonic acidJan 20, 98Mar 28, 00[C07F]
6022834 Alkaline surfactant polymer flooding composition and processApr 04, 97Feb 08, 00[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0109,879 Process for converting natural oils to surfactants and biofuelsAbandonedJun 26, 12May 02, 13[C07C]
8389448 Anionic ether amines and process for using sameExpiredAug 06, 12Mar 05, 13[C09K]
2012/0285,691 Permeability modification and water shut off composition and processAbandonedMay 03, 12Nov 15, 12[E21B]
2012/0004,431 2-Alkyl alkoxylated alcohol sulfonateAbandonedSep 10, 11Jan 05, 12[C07D]
2011/0120,707 Process for oil recovery using multifunctional anionic surfactantsAbandonedNov 23, 09May 26, 11[E21B]
7629299 Process for recovering residual oil employing alcohol ether sulfonatesExpiredJan 19, 08Dec 08, 09[C09K]
7605287 Polyalkylated arylalkyl sulfonic acids and their saltsExpiredAug 24, 07Oct 20, 09[C07C]
2008/0302,531 Process for recovering oil from subterranean reservoirsAbandonedJun 06, 08Dec 11, 08[C09K, E21B]

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