SIIRTEC NIGI S P A innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	Italy	4
#2	WIPO (World Intellectual Property Organization)	4
#3	China	3
#4	Canada	2
#5	EAPO (Eurasian Patent Organization)	2
#6	EPO (European Patent Office)	2
#7	United States	2
#8	Australia	1
#9	Czechia	1
#10	Hong Kong	1

#	Technology
#1	Separation
#2	Ammonia or cyanogen
#3	Climate change mitigation in goods production
#4	Non-metallic elements
#5	Water treatment
#6	Chemical or physical processes
#7	Acyclic or carbocyclic compounds
#8	Fuels
#9	Combustion residues removal

Publication	Filing date	Title
WO2012131742A1	2012-03-26	Process for the reconcentration of gaseous mixtures deydrating liquids
WO2011089635A1	2011-01-19	Integrated process for treating refinery waste water, containing ammonia and hydrogen sulphide, and refinery exhaust acid gas containing hydrogen sulphide
WO9950235A1	1999-03-31	Apparatus and process for the preparation of urea from carbon dioxide and ammonia
US6093380A	1998-10-16	Method and apparatus for pollution control in exhaust gas streams from fossil fuel burning facilities
US5985224A	1998-09-24	Process for ammonia production through urea hydrolysis
CN1231657A	1997-07-22	Process for the urea synthesis from ammonia and carbon dioxide and apparatus thereof