FR501499A
(en )
1920-04-15
Continuous process for the manufacture of ethers
FR519528A
(en )
1921-06-11
Process for the production of economical soaps
CH81477A
(en )
1919-06-16
Process for the electrolytic production of magnesium
FR513671A
(en )
1921-02-21
Process for the production of ferro-tungsten
FR495578A
(en )
1919-10-11
Process for the manufacture of superphosphates
FR517872A
(en )
1921-05-14
Process for the production of bleaching charcoal
FR533176A
(en )
1922-02-23
Process for the manufacture of cokemetallurgical
FR498438A
(en )
1920-01-10
Process for the dehydration of tar
FR524751A
(en )
1921-09-10
Process for the manufacture of cartridge cases
FR497290A
(en )
1919-12-02
Process for the production of aluminum azide
FR529427A
(en )
1921-11-28
Process for the recovery of metallic mercury
CH78646A
(en )
1918-08-16
Process for the manufacture of briquettes
CH81099A
(en )
1919-05-01
Process for the production of briquettes from strawberries
FR517801A
(en )
1921-05-12
Process for the manufacture of corks
FR505608A
(en )
1920-08-03
New process for the production of cellulose acetates
FR489233A
(en )
1919-01-06
Process for the production of artificial butter
FR519513A
(en )
1921-06-11
Process for the production of petroleum jelly
FR21105E
(en )
1920-05-20
Process for the production of advanced metal alloys
FR488507A
(en )
1918-10-18
Process for the manufacture of ingot molds
FR497421A
(en )
1919-12-05
New electrolysis process
FR516629A
(en )
1921-04-23
Process for the manufacture of perborates
FR520089A
(en )
1921-06-20
Process for the production of explosives
FR498288A
(en )
1920-01-07
Process for the recovery of solvents
FR519557A
(en )
1921-06-11
Process for the construction of hollow partitions
FR517558A
(en )
1921-05-07
Process for the production of new ortho-oxyazo dyes