FR599404A
(en )
1926-01-12
Process for the production of urea from carbonic acid and synthetic ammonia
FR692542A
(en )
1930-11-06
Process for the production of hydrocyanic acid
FR622684A
(en )
1927-06-03
Process for the production of potassium sulphate and ammonium chloride
FR657183A
(en )
1929-05-17
Process for the production of ortho-aminoarylmercaptans
FR679541A
(en )
1930-04-14
Process for the production of nitrous oxide
FR32056E
(en )
1927-09-09
Process for obtaining metal azides and its application to the production of ammonia
FR751700A
(en )
1933-09-07
Manufacturing process of sodium carbamate and ammonium chloride
FR598830A
(en )
1925-12-26
Process for preparing ammonia chloride and alkali sulphate
FR627299A
(en )
1927-09-30
Process for simultaneously making potassium sulfate and ammonium chloride
FR691069A
(en )
1930-10-01
Process for the production of urea
FR672796A
(en )
1930-01-07
Process for the production of pure ammonium sulfate
FR635626A
(en )
1928-03-20
Manufacturing process of ammonium chloride
FR589191A
(en )
1925-05-25
Process for the manufacture of ammonium chloride and sodium sulfate from sodium chloride and ammonium sulfate
FR633262A
(en )
1928-01-26
Advanced process for the production of hexamethylenetetramine and ammonium chloride
FR594696A
(en )
1925-09-17
Process for the transformation of free ammonia into ammonium chloride, and the manufacture of sodium sulphate
FR714459A
(en )
1931-11-14
Process for the production of metal sponge
FR689983A
(en )
1930-09-15
Process for the production of sulphate of ammonia and sulfur
FR680606A
(en )
1930-05-02
Process for the simultaneous production of nitrogenous and magnesium fertilizers
FR661507A
(en )
1929-08-01
Process for obtaining ammonium sulphate and sulfur from ammonium sulphocyanide
FR682572A
(en )
1930-05-30
Process for the manufacture of ammonium chloride
FR701384A
(en )
1931-03-16
Advanced process for the enrichment of phosphate ores
FR679901A
(en )
1930-04-23
Process for the production of ammonia bicarbonate
FR638551A
(en )
1928-05-29
Process for the production of alkaline and alkaline earth nitrates and ammonia nitrate from chlorides
FR645963A
(en )
1928-11-06
Process for the production of ortho-amino-diarylethers
FR703091A
(en )
1931-04-23
Process for the production of ammonium carbamate