CH81085A
(en )
1919-11-01
Process for generating heat
AT82952B
(en )
1921-02-25
Process for creating chains.
CH101173A
(en )
1923-09-01
Process for the production of primers.
CH86573A
(en )
1920-09-01
Process for the production of gravure forms.
AT100191B
(en )
1925-06-10
Process for preparing gels.
CH80401A
(en )
1919-07-16
Process for drying potatoes
CH88567A
(en )
1921-03-01
Process for the production of trinitroresorzin.
AT96138B
(en )
1924-02-25
Process for the production of fuel.
AT88456B
(en )
1922-05-10
Process for the production of perylene.
AT112340B
(en )
1929-02-25
Process for the preparation of organic antimony compounds.
AT107001B
(en )
1927-08-10
Process for the production of detonators.
CH79146A
(en )
1918-10-01
Method of making briquettes
CH80641A
(en )
1919-08-16
Process for the preparation of 7-methylisatin
CH80638A
(en )
1919-08-01
Process for the preparation of 5-7-dimethylisatin
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
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
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
CH76373A
(en )
1917-12-01
Process for the preparation of glycolyl-p-phenetidide
CH81780A
(en )
1919-07-16
Process for cleaning machine oils