CH81085A
(en )
1919-11-01
Process for generating heat
CH81962A
(en )
1919-12-16
Process for generating low temperatures
CH78469A
(en )
1918-07-16
Process for generating steam by means of electrical heating
CH79146A
(en )
1918-10-01
Method of making briquettes
CH80964A
(en )
1919-09-16
Process for the production of high percentage solutions of calcium nitrate
CH80530A
(en )
1919-07-16
Process for the electrical heating of ovens
CH79491A
(en )
1918-12-02
Process for the production of copper oxide
AT82952B
(en )
1921-02-25
Process for creating chains.
CH79929A
(en )
1919-01-16
Process for generating luminous gas and water gas
CH80833A
(en )
1919-04-01
Process for the production of sodium cyanate
CH79489A
(en )
1918-12-02
Process for the production of copper compounds
AT96138B
(en )
1924-02-25
Process for the production of fuel.
CH78765A
(en )
1918-09-02
Method of making briquettes
CH82059A
(en )
1919-08-16
Process for the production of leather substitutes
CH80239A
(en )
1919-02-17
Process for the production of ebonite
CH79954A
(en )
1919-01-16
Process for the production of coffee substitutes
AT100191B
(en )
1925-06-10
Process for preparing gels.
CH80422A
(en )
1919-03-01
Process for the production of metal bodies
CH82570A
(en )
1919-10-01
Process for the distillation of hydrous fuel
CH80928A
(en )
1919-04-16
Procedure for heating rooms
CH78104A
(en )
1918-10-16
Process for the production of mercury oxide
CH83126A
(en )
1919-11-17
Process for purifying the anthraquinone
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