Advanced Separation Technologies Incorporated

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 4130

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5676826 Fluid-solid contacting apparatusApr 19, 95Oct 14, 97[B01D]
5626757 Macrocyclic antibiotics as separation agentsSep 29, 95May 06, 97[B01D]
5478475 Fluid distribution apparatus, an artificial moving bed, and a continuous adsorption methodNov 18, 93Dec 26, 95[B01D]
5154738 Chiral separation mediaAug 20, 91Oct 13, 92[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5893947 Process for purifying sugar solutionsExpiredMay 09, 97Apr 13, 99[C13D]
5171548 Process for the removal of vanadium from wet process phosphoric acidExpiredJun 06, 90Dec 15, 92[C01B, C01G, B01D]
5110578 Continuous production of potassium nitrate via ion exchangeExpiredOct 03, 90May 05, 92[C01D]
5064944 Chiral separation mediaExpiredAug 08, 90Nov 12, 91[C07H, C08B]
4948395 Chiral separation mediaExpiredSep 12, 89Aug 14, 90[B01D]
4778492 Continuous gas treatment method and apparatus for adsorption processesExpiredFeb 19, 87Oct 18, 88[B01D]
4734200 Process for removal of fluoride and phosphorus-type contaminants from acidic wastewaterExpiredApr 04, 86Mar 29, 88[C02F]
4710364 Continuous recovery of sulfur oxide from flue gasExpiredSep 10, 86Dec 01, 87[C05B]
4704262 Process for production of dialkali metal phosphates by ion exchangeExpiredJan 14, 86Nov 03, 87[B01D]
4704263 Production of potassium phosphates by ion exchangeExpiredJun 24, 85Nov 03, 87[B61D]
4695386 Process for the decolorization of pulp mill process streamsExpiredMay 20, 85Sep 22, 87[C02F]
4695387 Removal of ammonia from wastewaterExpiredMay 07, 85Sep 22, 87[C02F]
4612022 Process for increasing the concentration of one component in a multi-component _gaseous mixtureExpiredJun 21, 85Sep 16, 86[B01D]
4539399 Bonded phase material for chromatographic separationsExpiredJul 27, 84Sep 03, 85[C08L, B01D]
4522726 Advanced separation device and methodExpiredJul 30, 84Jun 11, 85[B01D]

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