The Chemithon Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01C AMMONIA; CYANOGEN; COMPOUNDS THEREOF 410
 
  
 
B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS 219
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
C11D DETERGENT COMPOSITIONS 263
 
  
 
F26B DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 228
 
  
 
B01D SEPARATION 1133
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8865928 Process for removing dioxane from a compositionOct 08, 13Oct 21, 14[C07C, B01D]
7008603 Process and apparatus for quantitatively converting urea to ammonia on demandMay 03, 05Mar 07, 06[C01C]
6895983 Method and apparatus for dividing the flow of a gas streamSep 26, 02May 24, 05[G05D]
6887449 Method of quantitatively producing ammonia from ureaNov 21, 02May 03, 05[C01C]
6761868 Process for quantitatively converting urea to ammonia on demandSep 12, 01Jul 13, 04[C01C]
6572835 Method and apparatus for producing gaseous sulfur trioxideJan 24, 97Jun 03, 03[C01B]
6511644 Method for removing contaminants in reactorsNov 08, 00Jan 28, 03[C01C]
6058623 Apparatus and process for removing volatile components from a compositionFeb 27, 98May 09, 00[F26B]
5723433 Sovent removal processJun 07, 95Mar 03, 98[F26B, C11D, B01D]
5591249 Flue gas conditioning method for intermittently energized precipitationMar 22, 96Jan 07, 97[B03C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7968742 Method and device for the sulfonation or sulfation of sulfonatable or sulfatable organic substances and for performing faster, strongly exothermic gas/liquid reactionsExpiredDec 20, 06Jun 28, 11[C07C, B01J]
2004/0208,813 Apparatus for quantitatively converting urea to ammonia on demandAbandonedMay 06, 04Oct 21, 04[C01C]
2003/0072,698 Apparatus for removing contaminants in reactorsAbandonedDec 23, 02Apr 17, 03[B01J]
2002/0159,942 Method for quantitative production of gaseous ammoniaAbandonedFeb 07, 02Oct 31, 02[C01C]
5597403 Flue gas conditioning system for intermittently energized precipitationExpiredMay 31, 95Jan 28, 97[B03C]
5136088 Sulfonation process for viscous sulfonic acidExpiredAug 23, 90Aug 04, 92[C07B]
4779207 SO.sub.3 flue gas conditioning systemExpiredJan 06, 87Oct 18, 88[B03C, G06F]
4587029 Intermediate product for use in producing a detergent barExpiredNov 16, 84May 06, 86[C11D]
4515707 Intermediate product for use in producing a detergent bar and method for producing sameExpiredJun 27, 83May 07, 85[C11D]
4374058 Method for producing powdered detergent containing alpha olefin sulfonateExpiredOct 26, 81Feb 15, 83[C11D]
4267119 Sulfonating methodExpiredDec 21, 79May 12, 81[C07C]
4251456 Method for treating effluent gas from sulfonation processExpiredMar 29, 79Feb 17, 81[C07C]
4216001 Gas scrubbing apparatusExpiredJan 10, 79Aug 05, 80[B01D]
4185030 Sulfonating methodExpiredNov 10, 77Jan 22, 80[C07C, C07B]

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