FR519528A
(en )
1921-06-11
Process for the production of economical soaps
CH75963A
(en )
1919-08-01
Process for the production of waterproof shoes
FR495987A
(en )
1919-10-23
Manufacturing process of soles for shoes
FR489444A
(en )
1919-02-03
Process for making shoes
CH77915A
(en )
1918-11-01
Manufacturing process of soles for shoes
FR513018A
(en )
1921-02-05
Process for the electrolytic manufacture of alkali perborates
FR514956A
(en )
1921-03-22
Process for the production of caramel
FR496194A
(en )
1919-10-29
Process for the manufacture of hydrochlorides
FR519789A
(en )
1921-06-15
Process for the production of leather
FR488359A
(en )
1918-09-17
Enfleurage process
FR487869A
(en )
1918-08-02
Process for the production of artificial leather
FR524751A
(en )
1921-09-10
Process for the manufacture of cartridge cases
FR487830A
(en )
1918-07-30
Process for the production of alcohol
FR436277A
(en )
1912-03-23
Process for the manufacture of multicolored chains
FR22275E
(en )
1921-05-25
Process for the production of synthetic alcohol
FR22292E
(en )
1921-05-25
Process for the production of synthetic alcohol
FR493093A
(en )
1919-07-30
Process for the production of alkali arsenates
CH78646A
(en )
1918-08-16
Process for the manufacture of briquettes
FR525180A
(en )
1921-09-16
Process for the production of coiled cartridge cases
FR491466A
(en )
1919-06-04
Process for the manufacture of acetaldehyde
FR508167A
(en )
1920-10-04
Process for the production of combustible steam
FR513671A
(en )
1921-02-21
Process for the production of ferro-tungsten
FR493452A
(en )
1919-08-09
Process for the separation of cresols
FR533176A
(en )
1922-02-23
Process for the manufacture of cokemetallurgical
FR22213E
(en )
1921-05-24
Process for the production of enamels