CHINA UNIVERSITY OF PETROLEUM

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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 FOR590
 
  
 
E21B EARTH OR ROCK DRILLING 393
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 2136
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
C08B POLYSACCHARIDES; DERIVATIVES THEREOF 130
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 161
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0234,111 Device for Removing and Preventing Paraffin by Using Electric Heating Generated from Skin Effect-based Natural Gas Electricity and Application thereofAug 15, 15Aug 17, 17[E21B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9777210 Inorganic fine particle reinforced foam system for oil-gas field and preparation method thereofAug 04, 16Oct 03, 17[C09K]
9587440 Dynamic point-the-bit rotary steerable drilling tool and measuring method thereofDec 07, 15Mar 07, 17[E21B]
9410068 Method for preparation of biomimetic polymer for stabilizing wellbore and drilling fluidSep 23, 15Aug 09, 16[C09K, C08B, C08L]
9399692 Amphiphilic reservoir protecting agent and preparation method thereof and drilling fluidSep 21, 15Jul 26, 16[C09K, C08F]
9353305 Reservoir protecting agent composition, drilling fluid for middle permeability reservoirs and use thereofOct 08, 15May 31, 16[C09K, E21B]
9346042 Process for regeneration of ionic liquid catalystDec 28, 12May 24, 16[B01J]
9096487 Alkylation method using ionic liquid as catalystDec 27, 10Aug 04, 15[C07C, B01J, C10G]
9098078 Control algorithm based on modeling a controlled objectJul 18, 11Aug 04, 15[G05B]
8569561 Method for revamping an HF or sulphuric acid alkylation unitAug 06, 10Oct 29, 13[C07C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0168,307 METHOD FOR PRODUCING POLYOXYMETHYLENE DIMETHYL ETHERS FROM FEEDSTOCK OF CONCENTRATED FORMALDEHYDEAbandonedDec 10, 15Jun 16, 16[C08G]

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