CH80810A
(en )
1919-04-16
Process for the manufacture of locking pins
CH80239A
(en )
1919-02-17
Process for the production of ebonite
CH80964A
(en )
1919-09-16
Process for the production of high percentage solutions of calcium nitrate
CH80833A
(en )
1919-04-01
Process for the production of sodium cyanate
CH82599A
(en )
1919-10-01
Process for the preparation of per compounds
CH79954A
(en )
1919-01-16
Process for the production of coffee substitutes
CH79491A
(en )
1918-12-02
Process for the production of copper oxide
CH82059A
(en )
1919-08-16
Process for the production of leather substitutes
CH79489A
(en )
1918-12-02
Process for the production of copper compounds
CH78104A
(en )
1918-10-16
Process for the production of mercury oxide
CH80235A
(en )
1919-07-01
Process for the production of shoe wax
CH77364A
(en )
1918-04-01
Process for the production of wooden heels
CH79342A
(en )
1919-03-17
Process for the production of artificial leather
CH79811A
(en )
1919-01-16
Process for the production of artificial leather
CH80251A
(en )
1919-02-17
Process for the production of concave mirror surfaces
AT96138B
(en )
1924-02-25
Process for the production of fuel.
CH80094A
(en )
1919-02-01
Process for the production of sodium percarbonate
CH80966A
(en )
1919-04-16
Process for the preparation of 2-thienylquinoline-4-carboxylic acid
AT87474B
(en )
1922-02-25
Process for the production of mercury oxide.
CH80633A
(en )
1919-08-01
Process for the preparation of 7-chloroisatin
CH80637A
(en )
1919-08-16
Process for the preparation of 4-7-dimethylisatin
CH80638A
(en )
1919-08-01
Process for the preparation of 5-7-dimethylisatin
CH80641A
(en )
1919-08-16
Process for the preparation of 7-methylisatin
CH81551A
(en )
1919-11-01
Process for the preparation of 4-chloro-7-methylisatin
CH81552A
(en )
1919-11-01
Process for the preparation of 4-methyl-7-chloroisatin