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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF1168
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 926
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 256
 
  
 
C01D COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM 213
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
B01D SEPARATION 1133
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7651865 Conditioning slurry samples for quantitative instrumental analysisApr 13, 06Jan 26, 10[G01N]
7407641 Method for generating chlorine dioxideOct 28, 04Aug 05, 08[C01B]
6972121 Advanced control strategies for chlorine dioxide generating processesMar 14, 01Dec 06, 05[C01B]
6740223 Electrolytic process for the production of chlorine dioxideJun 19, 02May 25, 04[C25B]
6555085 Method of improving yield of chlorine dioxide generation processesJan 31, 01Apr 29, 03[C01B]
6251357 High purity alkali metal chlorite and method of manufactureJun 08, 99Jun 26, 01[C01B]
6203688 Electrolytic process for producing chlorine dioxideOct 16, 98Mar 20, 01[C25B]
5965004 Chlorine dioxide generation for water treatmentOct 28, 97Oct 12, 99[C25B]
5948236 Determination of chlorate ion concentration using microelectrodesAug 15, 97Sep 07, 99[G01N]
5932085 Chlorine dioxide generation for water treatmentMar 13, 96Aug 03, 99[C02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6967010 Chlorine dioxide generatorExpiredFeb 21, 01Nov 22, 05[C01B, B05B]
5174868 Chlorine dioxide generation from chloric acidExpiredAug 22, 90Dec 29, 92[C01B, C25B]
5122240 Electrochemical processing of aqueous solutionsExpiredJun 08, 90Jun 16, 92[C25B]
5066477 Production of chlorine dioxideExpiredSep 18, 90Nov 19, 91[C01B]
5013530 Sparger system for discharge of bulk material from hopper carsExpiredJan 09, 90May 07, 91[B01F]
5002615 Sparger system for discharge of bulk material from hopper carsExpiredJun 13, 88Mar 26, 91[B05B, B08B]
4931268 Production of chlorine dioxideExpiredAug 28, 89Jun 05, 90[C01B]
4915927 Production of chloric acidExpiredOct 21, 88Apr 10, 90[C01B]

Top Inventors for This Owner

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