CH80004A
(en )
1919-06-02
Method for regulating centrifugal compressors for stability of the conveyance
CH80124A
(en )
1919-06-16
Process for the automatic control of centrifugal compressors
CH79651A
(en )
1918-12-16
Facility for the production of calcium carbide
CH81445A
(en )
1919-06-16
Process for the evaporation of liquids
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
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
CH80633A
(en )
1919-08-01
Process for the preparation of 7-chloroisatin
CH81558A
(en )
1919-12-01
Process for the preparation of 4-7-dichloroisatin
CH80634A
(en )
1919-08-01
Process for the preparation of 5-chloroisatin
CH79146A
(en )
1918-10-01
Method of making briquettes
CH80635A
(en )
1919-09-01
Process for the preparation of ethyl pseudoisatin
CH78530A
(en )
1918-08-01
Method of making aerial embroidery
CH80786A
(en )
1919-04-01
Method of making masonry
CH80095A
(en )
1919-07-01
Process for the preparation of isatin
CH80632A
(en )
1919-08-01
Process for the preparation of 5-bromoisatin
CH80944A
(en )
1919-09-16
Method of making cords
CH79954A
(en )
1919-01-16
Process for the production of coffee substitutes
CH80966A
(en )
1919-04-16
Process for the preparation of 2-thienylquinoline-4-carboxylic acid