CH80401A
(en )
1919-07-16
Process for drying potatoes
CH86573A
(en )
1920-09-01
Process for the production of gravure forms.
CH81445A
(en )
1919-06-16
Process for the evaporation of liquids
CH82032A
(en )
1919-08-16
Process for roasting fibrous materials
AT88456B
(en )
1922-05-10
Process for the production of perylene.
CH79648A
(en )
1918-12-16
Process for evaporation of liquids
AT100191B
(en )
1925-06-10
Process for preparing gels.
CH78964A
(en )
1918-09-16
Process for smelting smelting materials
AT82952B
(en )
1921-02-25
Process for creating chains.
CH82981A
(en )
1919-11-01
Process for the production of pulp
CH79453A
(en )
1919-04-01
Process for briquetting dry peat
CH81551A
(en )
1919-11-01
Process for the preparation of 4-chloro-7-methylisatin
CH81558A
(en )
1919-12-01
Process for the preparation of 4-7-dichloroisatin
CH81552A
(en )
1919-11-01
Process for the preparation of 4-methyl-7-chloroisatin
CH81554A
(en )
1919-11-17
Process for the preparation of 5-methyl-7-chloroisatin
CH81555A
(en )
1919-11-17
Process for the preparation of 5-chloro-7-methylisatin
CH81559A
(en )
1919-11-17
Process for the preparation of 4-6-dichloroisatin
CH81561A
(en )
1919-11-17
Process for the preparation of 4-chloro-7-methoxyisatin
CH80641A
(en )
1919-08-16
Process for the preparation of 7-methylisatin
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
CH79489A
(en )
1918-12-02
Process for the production of copper compounds
CH79954A
(en )
1919-01-16
Process for the production of coffee substitutes
CH81780A
(en )
1919-07-16
Process for cleaning machine oils