CH64930A
(en )
1914-05-01
Process for separating cyanamide carbonate of lime from calcium cyanamide solutions
CH66728A
(en )
1914-10-01
Process for the extraction of ammonium sulphate from calcium carbonate sludge containing ammonium sulphate
CH59149A
(en )
1913-04-16
Process for separating cyanamide from calcium cyanamide
CH66503A
(en )
1914-09-16
Process for the production of calcium cyanamide
CH73468A
(en )
1916-10-02
Process for the production of calcium cyanamide
FR457582A
(en )
1913-09-20
Process for the separation of calcium carbo-cyanamide from calcium cyanamide solutions
CH64477A
(en )
1914-04-01
Process for purifying hydrogen
CH67000A
(en )
1914-11-02
Process for the production of calcium cyanamide
CH63309A
(en )
1914-01-16
Process for the production of briquettes using sulphite waste liquor
CH67055A
(en )
1914-11-02
Process for producing potassium
CH58422A
(en )
1913-03-01
Process for treating calcium cyanamide
CH59680A
(en )
1913-06-02
Process for cleaning water containing sulphate
CH68191A
(en )
1915-02-16
Process for the preparation of basic magnesium carbonate
CH67858A
(en )
1915-01-16
Process for the production of lump lime by pressing
CH52373A
(en )
1911-11-16
Process for the plant for the production of calcium oxide-free, powdered hydrated lime
CH67214A
(en )
1914-11-16
Process for the utilization of flue gases
CH61933A
(en )
1913-10-16
Method of regulating permutite
CH66164A
(en )
1914-08-01
Process for producing sodium
CH51114A
(en )
1911-08-01
Process for the production of calcium nitrite
CH63124A
(en )
1914-01-02
Process for the production of disodium cyanamide
CH63567A
(en )
1914-02-02
Process for separating ammonia from gas mixtures
AT75541B
(en )
1919-02-25
Process for the production of filter cylinders.
CH81903A
(en )
1919-08-01
Process for the production of urea from calcium cyanamide
CH64706A
(en )
1914-04-16
Process for the electrowinning of sodium perborate
AT75599B
(en )
1919-02-25
Process for the enrichment of the potash content of potash salts.