AT57727B
(en )
1913-02-25
Process for the extraction of the nitrogenous components from waste water.
AT52288B
(en )
1912-02-26
Process for the electrolytic preparation of halogen-oxygen compounds.
AT63693B
(en )
1914-02-25
Process for the treatment of powdery substances.
CH58146A
(en )
1913-02-17
Process for the preparation of Bromdiäthylacetylisourstoffmethyläther
AT63610B
(en )
1914-02-25
Process for the production of hydrastinine from berberine.
CH43742A
(en )
1909-06-01
Process for the extraction of crushed slag from waste slag
CH66673A
(en )
1914-10-01
Process for the economic recovery of residues from the incineration of waste
CH67699A
(en )
1915-01-02
Process for the economic recovery of residues from the incineration of waste
AT57722B
(en )
1913-02-25
Process for the production of caramel from carbohydrates.
CH51955A
(en )
1911-10-02
Process for the preparation of concentrated formic acid
CH68486A
(en )
1915-04-01
Process for the extraction of dry material from liquids
AT53130B
(en )
1912-04-25
Process for the manufacture of manhole linings.
AT52246B
(en )
1912-02-26
Process for the production of the plow tree with the plow pillars from one piece.
AT82991B
(en )
1921-02-25
Process for the production of hydrogen.
CH51051A
(en )
1911-07-17
Process for the extraction of solid, purified caustic potash
CH52907A
(en )
1912-01-02
Process for the representation of indigo
AT78737B
(en )
1919-10-25
Process for the production of workpiece leather from waste leather.
CH54307A
(en )
1912-05-01
Procedure for removing rust stains
CH52500A
(en )
1911-11-16
Process for the preparation of ßy-dimethyl-ay-butadiene
CH52112A
(en )
1911-11-01
Process for the preparation of ßy-dimethyl-ay-butadiene
CH65736A
(en )
1914-07-01
Process for the preparation of acetperacid from acetaldehyde
CH51954A
(en )
1911-10-02
Process for the preparation of calcium oxalate from alkali metal oxalate
CH55404A
(en )
1912-08-16
Process for the improvement of fluids
AT63529B
(en )
1914-02-25
Process for the preparation of hexamethylenetetramine amphorates.
AT68019B
(en )
1915-02-25
Process for the production of alcohol from sulphite waste liquor.