Eco-Tec Limited

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF673
 
 
 
B01D SEPARATION 5129
 
 
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 249
 
 
 
D21C PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR226
 
 
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
 
 
B03D FLOTATION; DIFFERENTIAL SEDIMENTATION 114
 
 
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
 
 
C01D COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM 114
 
 
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR194
 
 
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 172

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7045067 Method and apparatus for increasing filter contaminant loading capacityAug 05, 04May 16, 06[B01D]
6627110 Hydrogen sulfide removal processNov 12, 99Sep 30, 03[C09K]
6551570 Hydrogen sulfide removal processMay 30, 00Apr 22, 03[C01B]
5942084 Process for the separation of sulphides from pulping liquors using amphoteric resinsJan 24, 97Aug 24, 99[D21C]
5922171 Method and apparatus for removing sodium chloride from pulping chemicals using an amphoteric ion-exchange resinJan 24, 97Jul 13, 99[D21C]
5792441 Fixed-resin bed technologies for the treatment of the chlorine dioxide generator effluent and feeds streamOct 11, 96Aug 11, 98[C01B, C01D]
5730784 Process for the removal of hydrogen sulfide from a gas streamJun 05, 95Mar 24, 98[C01B, B01D]
5585005 Method for effecting gas-liquid contactJun 05, 95Dec 17, 96[C01B]
5552061 Method for effecting gas-liquid contactJun 05, 95Sep 03, 96[C01B, B05B]
5527475 Method for determining the parameters of a gas-liquid contact apparatusJun 05, 95Jun 18, 96[B03D, B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5547579 Process and apparatus for purification of contaminated acidsExpiredJan 20, 95Aug 20, 96[B01D]
5500098 Process for regeneration of volatile acidsExpiredAug 05, 93Mar 19, 96[B01D]
RE34191 Process for electroplating metalsExpiredSep 06, 91Mar 09, 93[C25D]
5173170 Process for electroplating metalsExpiredJun 03, 91Dec 22, 92[C25D]
5091046 Caustic etching of aluminum with matte finish and low waste capabilityExpiredDec 31, 90Feb 25, 92[C23F, B44C]
4832812 Apparatus for electroplating metalsExpiredMay 04, 88May 23, 89[C25O]
4778572 Process for electroplating metalsExpiredSep 08, 87Oct 18, 88[C25D]
4673507 Fluid treatment process and apparatusExpiredMay 23, 85Jun 16, 87[C02F]
4666683 Process for removal of copper from solutions of chelating agent and copperExpiredNov 21, 85May 19, 87[C01G]
4186174 Process and apparatus for obtaining a more concentrated solution of a component using ion exchange bedsExpiredSep 13, 77Jan 29, 80[C01G]

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