DORF KETAL SPECIALITY CATALYSTS, LLC

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Patent Activity in the Last 10 Years

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Intl Class Technology Matters Rank in Class
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR1679
 
  
 
C23F NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES 1026
 
  
 
E21B EARTH OR ROCK DRILLING 987
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 732
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF376
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3122
 
  
 
C07F ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM, OR TELLURIUM 268
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1119

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8518861 Solid zirconium-based cross-linking agent and use in oil field applicationsSep 23, 11Aug 27, 13[C09K, C23F, E21B]
8252731 Solid zirconium-based cross-linking agent and use in oil field applicationsSep 23, 11Aug 28, 12[C09K, C23F, E21B]
8247356 Zirconium-based cross-linking composition for use with high pH polymer solutionsMar 02, 12Aug 21, 12[C09K, C23F, E21B]
8242060 Stable solutions of zirconium hydroxyalkylethylene diamine complex and use in oil field applicationsDec 21, 06Aug 14, 12[C09K, C23F, E21B]
8236739 Zirconium-based cross-linker compositions and their use in high pH oil field applicationsMar 30, 07Aug 07, 12[C09K]
8153564 Zirconium-based cross-linking composition for use with high pH polymer solutionsMar 07, 08Apr 10, 12[C09K, C23F]
8044001 Solid zirconium-based cross-linking agent and use in oil field applicationsNov 20, 07Oct 25, 11[C09K, C23F, E21B]
8044002 Solid zirconium-based cross-linking agent and use in oil field applicationsNov 21, 07Oct 25, 11[C09K, C23F, E21B]
7851417 Process to prepare borozirconate solution and use as cross-linker in hydraulic fracturing fluidsDec 11, 07Dec 14, 10[C09K, C01B, C01G, E21B]
7795187 Permeable zone and leak plugging using cross-linking composition comprising zirconium triethanolamine complexFeb 14, 06Sep 14, 10[C09K, C23F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0114,390 HIGH TEMPERATURE AQUEOUS-BASED ZIRCONIUM CROSSLINKING COMPOSITION AND USEAbandonedOct 31, 08May 07, 09[E21B]
6294682 Alkoxides with alkaline earths and titanium, zirconium and/or hafnium, their production and useExpiredJun 19, 00Sep 25, 01[C07F, D21H]
5981690 Poly(alkylene arylates) having improved optical propertiesExpiredApr 15, 99Nov 09, 99[C08G]

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