ECOCHEM AG innovation strategy

Patent filings in countries

#	Industry
#1	Materials and metallurgy
#2	Surface technology and coating
#3	Environmental technology
#4	Electrical machinery and energy

#	Technology
#1	Electrolytic metal production
#2	Climate change mitigation in goods production
#3	Metal production and refining
#4	Non-metallic elements
#5	Pig-iron processing
#6	Electrolytic processes
#7	Batteries
#8	Climate change mitigation in wastewater treatment
#9	Rare-earth metal compounds
#10	Reduction of greenhouse gas emissions

Publication	Filing date	Title
US6203769B1	1999-07-01	Process for the treatment of fluoboric electrolyte
CA2245018A1	1998-08-13	Production of electrolytic copper from dilute solutions contaminated by other metals
US6159356A	1998-04-14	Process for the production of high purity copper metal from primary or secondary sulphides
CH691685A5	1996-11-01	A process of reduction of electric steel plant dust and to implement it.
EP0724306A1	1996-01-16	Process for the hydrometallurgical and electrochemical treatment of the active mass of exhausted lead batteries, to obtain electrolytic lead and elemental sulphur
KR0146392B1	1994-10-13	Process for heavy metal electrowinning
CH689018A5	1994-09-08	A method of electrowinning of heavy metals.
EP0627503A2	1994-04-23	Process for heavy metal electrowinning
EP0589501A2	1993-08-13	Process for the production of alkali metal hydroxides and elemental sulfur from sulfur-containing alkali-metal salts
CH686626A5	1992-06-03	Process for the direct electrochemical refining of copper scrap.