CH83126A
(en )
1919-11-17
Process for purifying the anthraquinone
CH86573A
(en )
1920-09-01
Process for the production of gravure forms.
AT100191B
(en )
1925-06-10
Process for preparing gels.
CH80964A
(en )
1919-09-16
Process for the production of high percentage solutions of calcium nitrate
CH81899A
(en )
1919-12-16
Extraction process and facility for carrying out the process
CH82599A
(en )
1919-10-01
Process for the preparation of per compounds
AT88456B
(en )
1922-05-10
Process for the production of perylene.
CH79489A
(en )
1918-12-02
Process for the production of copper compounds
AT98967B
(en )
1925-01-10
Process for the deposition of finely divided elemental silicon.
FR521539A
(en )
1921-07-15
Gasoline purification process
CH79491A
(en )
1918-12-02
Process for the production of copper oxide
CH80833A
(en )
1919-04-01
Process for the production of sodium cyanate
CH80094A
(en )
1919-02-01
Process for the production of sodium percarbonate
CH79578A
(en )
1918-12-02
Process for the isolation of hyoscyamine
CH78758A
(en )
1918-09-02
System for heating liquids
CH81445A
(en )
1919-06-16
Process for the evaporation of liquids
FR490396A
(en )
1919-04-19
Tie holder
CH80578A
(en )
1919-08-01
Process for the operation of gear drives
AT87474B
(en )
1922-02-25
Process for the production of mercury oxide.
CH79801A
(en )
1919-01-16
Process for the production of solid sodium percarbonate
CH80422A
(en )
1919-03-01
Process for the production of metal bodies
CH78104A
(en )
1918-10-16
Process for the production of mercury oxide
CH77500A
(en )
1918-09-02
Process for dry briquetting
CH81552A
(en )
1919-11-01
Process for the preparation of 4-methyl-7-chloroisatin
CH80641A
(en )
1919-08-16
Process for the preparation of 7-methylisatin