FUR STICKSTOFFDUNGER AG innovation strategy

Patent filings in countries

#	Industry
#1	Materials and metallurgy
#2	Organic fine chemistry
#3	Basic materials chemistry
#4	Chemical engineering
#5	Electrical machinery and energy
#6	Environmental technology
#7	Machines

#	Technology
#1	Acyclic or carbocyclic compounds
#2	Acetylene production
#3	Non-metallic elements
#4	Separation
#5	Ammonia or cyanogen
#6	Inorganic compounds
#7	Chemical or physical processes
#8	Climate change mitigation in goods production
#9	Centrifuges
#10	Special electric heating or lighting

Publication	Filing date	Title
GB679662A	1950-02-10	Process of preparing aliphatic carboxylic acid anhydrides
US2180382A	1937-10-01	Process of preparing calcium cyanamide
US2121578A	1937-07-16	Means for adjusting the electrodes of electric furnaces
US2177622A	1937-05-20	Electric furnace for the production of calcium carbide
US2141477A	1937-03-09	Process of preparing aluminum salts of lower aliphatic acids
US2161328A	1936-10-27	Nondusting calcium cyanamide and a process of preparing same
US2177494A	1935-11-15	Process of preparing aliphatic acid anhydrides
US2001171A	1933-09-30	Process of preparing acetic acid from acetaldehyde
US1865405A	1931-09-08	Process of preparing acetic anhydride
US1947120A	1930-09-24	Apparatus for preparing acetylene and simultaneously producing substantially dry calcium hydroxide
GB306042A	1929-02-13	Improved manufacture of acetylene and apparatus therefor
US1916592A	1929-02-08	Process of preparing acetylene
US1902068A	1928-11-20	Highly active carbon and process of preparing it
CA293528A	None	Process of preparing acetic anhydride
CA381601A	None	Organic acid anhydride distillation
CA342735A	None	Calcium cyanamide production
CA523128A	None	Process for removing dust-containing alkaline-earth metal compounds
CA353317A	None	Acetic acid from acetaldehyde
CA521806A	None	Method and device for the dry decomposition of calcium carbide
CA298173A	None	Acetylene manufacture