STEEN RESEARCH, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 6128
 
  
 
A61L METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES 170
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT 128
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 177

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9265854 Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process watersMar 12, 13Feb 23, 16[A61L, B01D]
8409512 Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process watersSep 24, 10Apr 02, 13[B01D]
7815879 Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process watersJun 04, 09Oct 19, 10[B01D]
7550123 Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process watersMay 26, 06Jun 23, 09[B01D]
7112309 Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process watersNov 07, 03Sep 26, 06[B01D]
6645450 Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process watersMar 02, 01Nov 11, 03[B01J]
6466317 Automatic real time monitoring of true color in waste liquidsFeb 09, 00Oct 15, 02[G01J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0085,175 Method and compositions for processing poultry feathersAbandonedOct 08, 04Apr 21, 05[A22C]
6827948 Method and compositions for processing poultry feathersExpiredOct 22, 02Dec 07, 04[A61K, C14M, D06M, C07K]
6511611 Compositions for reducing true color in waste liquidsExpiredMar 11, 02Jan 28, 03[C02F]
6491827 Process for reducing true color in waste liquidsExpiredNov 17, 00Dec 10, 02[C02F]

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