CH54145A
(en )
1912-05-01
Process for the purification of hydrocarbons
FR517931A
(en )
1921-05-17
Process for the separation of gas mixtures
FR450144A
(en )
1913-03-15
Process for the separation of mineral mixtures
FR425694A
(en )
1911-06-16
Process for the emulsion of mineral hydrocarbons
FR433825A
(en )
1912-01-17
Process for the polymerization of unsaturated hydrocarbons
CH55698A
(en )
1912-09-02
Process for improving the stability of railways
FR422435A
(en )
1911-03-21
Table for mineral concentration
FR493452A
(en )
1919-08-09
Process for the separation of cresols
FR458441A
(en )
1913-10-10
Process for the purification of graphite
FR461785A
(en )
1914-01-10
Process for the purification of nitrocellulose
FR416789A
(en )
1910-10-28
Basin for surgical operations
FR423829A
(en )
1911-04-27
Filtration process
FR419069A
(en )
1910-12-26
Pipe for smokers
FR479295A
(en )
1916-03-03
Process for the production of toluene
FR432499A
(en )
1911-12-07
Process for reducing the density of beer
FR434534A
(en )
1912-02-06
Process for the separation of m- and p-cresols
FR447085A
(en )
1912-12-21
Hydrocarbon solidification process
FR420344A
(en )
1911-01-27
Lock for nuts
FR423538A
(en )
1911-04-20
Filter for domestic use
FR477983A
(en )
1915-11-18
Process for the purification of unsaturated hydrocarbons
FR511697A
(en )
1920-12-31
Process for the regeneration of mercury catalysts
FR475699A
(en )
1915-06-07
Process for the regeneration of rubble and platras
FR413170A
(en )
1910-08-02
Process for ore reduction
FR398551A
(en )
1909-06-08
Process for the purification of acetylene
FR428471A
(en )
1911-08-31
Hydrocarbon purification process