FR18568E
(en )
1914-05-18
Process for the simultaneous production of nitrogen and nitrogen oxides
FR534950A
(en )
1922-04-05
Process and device for the production of hydrogen or nitrogen
FR448801A
(en )
1913-02-11
Method and device for the production of tapes of curved shape
FR19228E
(en )
1914-12-01
Process for the simultaneous production of nitrogen and nitrogen oxides
FR458950A
(en )
1913-10-22
Process for the production of pure ammonia
FR453208A
(en )
1913-06-03
Process for the production of selenocyanides and selenophenols of the anthraquinone series
FR476901A
(en )
1915-09-09
Process and devices for the industrial production of hydrogen
FR468349A
(en )
1914-07-03
Process for obtaining nitrogen and carbonic acid
FR512544A
(en )
1921-01-25
Process for the production of urea
FR463487A
(en )
1914-02-24
Process for the production of ammonium sulfate
FR439251A
(en )
1912-06-10
Method and device for the production of mineral water
FR17792E
(en )
1913-11-15
Process for the production of erythrene and isoprene
FR458677A
(en )
1913-10-16
Process for the production of erythrene
FR445556A
(en )
1912-11-14
Process for the recovery and manufacture of ammonia
FR456310A
(en )
1913-08-23
Process for the recovery of tin from scrap tinplate and the like
FR506619A
(en )
1920-08-26
Process for the production of nitrogen-substituted diaminodiarylthioketones and diaminodiarylketones
FR412227A
(en )
1910-07-07
Process for the production of nitrogen oxides
FR448511A
(en )
1913-02-03
Process and apparatus for the preparation of nitrogen and obtaining usable by-products
FR416877A
(en )
1910-10-31
Process for the production of ammonia
FR398551A
(en )
1909-06-08
Process for the purification of acetylene
FR450461A
(en )
1913-03-26
Process for the production of isopentenes and their derivatives
FR435104A
(en )
1912-02-22
Process and devices for water purification
FR466303A
(en )
1914-05-09
Process for the catalytic production of ammonia
FR451307A
(en )
1913-04-16
Method and apparatus for the production of oxygen
FR467592A
(en )
1914-06-15
Method and apparatus for the manufacture of nitrogen compounds