CH77928A
(en )
1918-06-17
Process for extracting chlorine from gas mixtures
FR492333A
(en )
1919-07-04
Chlorine extraction process
FR517931A
(en )
1921-05-17
Process for the separation of gas mixtures
FR503289A
(en )
1920-06-07
Process for extracting hydrogen from the gas mixtures which contain it
FR519211A
(en )
1921-06-07
Purification process for crude anthracene
FR469561A
(en )
1914-08-04
Radiothorium extraction process
FR435357A
(en )
1912-02-28
Process for separating gas mixtures
FR445895A
(en )
1912-11-21
Process for extracting glycerin from vinasses
FR493535A
(en )
1919-08-12
Process for extracting glycerin from fermentation vinasses
FR494518A
(en )
1919-09-11
Process for recovering zinc from ores containing it
FR401262A
(en )
1909-08-24
Process for recovering solvents from nitrocellulose
FR482069A
(en )
1917-02-14
Native metal extraction process
FR484148A
(en )
1917-09-07
Electrochemical process for separating tin from other metals
CH77590A
(en )
1918-05-16
Process for ensuring the stable operation of steam ejectors working in series for the extraction of gas mixtures
FR471237A
(en )
1914-10-20
Process for extracting potash from saline deposits or saline solutions
FR15759E
(en )
1912-09-19
Process for the production of beta-gamma-dimethylbutadiene
FR441270A
(en )
1912-08-02
Vanadium extraction process
FR448246A
(en )
1913-01-25
Process for the production of dihalogenated hydrocarbons
FR461294A
(en )
1913-12-24
Process for removing or recovering certain substances from coal gas
FR442235A
(en )
1912-08-27
Process for extracting turpentine from softwoods
FR425582A
(en )
1911-06-14
Process for the production of beta-gamma-dimethylbutadiene
FR423829A
(en )
1911-04-27
Filtration process
FR15475E
(en )
1912-07-18
Pinacone production process
CH70634A
(en )
1915-10-16
Process for processing the wash water from nitrocellulose production
FR441624A
(en )
1912-08-12
Petroleum solidification process