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ECO TEC

CA13 patents

Top patents by PatentIndex Score

US4673507AJun 16, 1987

Fluid treatment process and apparatus

ECO TEC138 citations97
US5162079ANov 10, 1992

Process and apparatus for control of electroplating bath composition

ECO TEC94 citations95
US4906340AMar 6, 1990

Process for electroplating metals

ECO TEC27 citations92
US4778572AOct 18, 1988

Process for electroplating metals

ECO TEC41 citations92
US4666683AMay 19, 1987

Process for removal of copper from solutions of chelating agent and copper

ECO TEC83 citations91
US5500098AMar 19, 1996

Process for regeneration of volatile acids

ECO TEC31 citations90
US7045067B2May 16, 2006

Method and apparatus for increasing filter contaminant loading capacity

ECO TEC15 citations81
US5922171AJul 13, 1999

Method and apparatus for removing sodium chloride from pulping chemicals using an amphoteric ion-exchange resin

ECO TEC19 citations81
US4832812AMay 23, 1989

Apparatus for electroplating metals

ECO TEC21 citations81
US5173170ADec 22, 1992

Process for electroplating metals

ECO TEC21 citations78
US5547579AAug 20, 1996

Process and apparatus for purification of contaminated acids

ECO TEC12 citations73
US4186174AJan 29, 1980

Process and apparatus for obtaining a more concentrated solution of a component using ion exchange beds

ECO TEC3 citations52
US10898891B2Jan 26, 2021

Process for stripping carbamate from ion exchange resin

ECO TEC0 citations47