Western Research Institute

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 161
 
  
 
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
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7736900 Automated flocculation titration method for accurate determination of Heithaus parametersFeb 05, 02Jun 15, 10[G01N]
5403365 Process for low mercury coalApr 30, 93Apr 04, 95[C10L]
5259945 Process for recovery of tank bottom wastesApr 15, 92Nov 09, 93[C10G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5406193 Hot gas in-situ monitoring probeExpiredJun 23, 93Apr 11, 95[G01N]
5327211 Process for molecular-specific optical fiber probes for raman detectionExpiredNov 07, 91Jul 05, 94[G01J, B05D]
5322530 Process for clean-burning fuel from low-rank coalExpiredOct 20, 92Jun 21, 94[C10L]
5198084 Low-cost process for hydrogen productionExpiredJul 17, 89Mar 30, 93[C01B]
5171406 Fluidized bed selective pyrolysis of coalExpiredOct 17, 90Dec 15, 92[C10B]
5087269 Inclined fluidized bed system for drying fine coalExpiredAug 03, 90Feb 11, 92[C10L, F26B]
5085838 Thermal modification of asbestosExpiredJul 19, 90Feb 04, 92[C01B, B09B, A62D]
5041209 Process for removing heavy metal compounds from heavy crude oilExpiredJul 12, 89Aug 20, 91[C10G]
4988376 Glassification of lead and silica solid wasteExpiredAug 02, 89Jan 29, 91[C03C, C03B]
4983278 Pyrolysis methods with product oil recyclingExpiredApr 03, 89Jan 08, 91[C10G]
4971702 Selenium adsorption processExpiredAug 22, 89Nov 20, 90[C02F]
4848460 Contained recovery of oily wasteExpiredNov 04, 88Jul 18, 89[E21B]
4802761 Optical-fiber raman spectroscopy used for remote in-situ environmental analysisExpiredAug 31, 87Feb 07, 89[G01J, G01N]

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