MINERAÇÃO CURIMBABA LTDA.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C05D INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE19
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR194
 
  
 
C10L FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS 141
 
  
 
C23F NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES 135
 
  
 
E21B EARTH OR ROCK DRILLING 195

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0000,155 PROCESS FOR PURIFICATION OF BIODIESEL AND BIODIESEL OBTAINED BY SAID PROCESSAug 08, 11Jan 02, 14[C10L]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9422202 Molten phosphorus-potassium fertilizer, and its preparation processSep 12, 12Aug 23, 16[C05D, C05B]
9234127 Angular abrasive proppant, process for the preparation thereof and process for hydraulic fracturing of oil and gas wellsMar 12, 08Jan 12, 16[C09K, C23F, E21B]
7954548 Proppant for hydraulic fracturing of oil and gas wellsJun 09, 03Jun 07, 11[C09K, E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0044,941 Spherical Ceramic Proppant for Hydraulic Fracturing of Oil or Gas Wells, and a Process for Forming Cavities in the Surface of Spherical Ceramic ProppantsAbandonedJun 23, 06Feb 19, 09[C09K, E21B]

Top Inventors for This Owner

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