CH54307A
(en )
1912-05-01
Procedure for removing rust stains
CH55404A
(en )
1912-08-16
Process for the improvement of fluids
CH52277A
(en )
1911-11-01
Process for obtaining rosin oil from wood
CH52907A
(en )
1912-01-02
Process for the representation of indigo
CH52767A
(en )
1912-01-02
Process for the mosaic-like decoration of surfaces
CH66129A
(en )
1914-08-17
Process for cleaning Twitchell reactive
CH56096A
(en )
1912-10-01
Process for cleaning metal objects
CH54686A
(en )
1912-06-01
Method for the representation of pinacon
CH56841A
(en )
1912-11-16
Method for the representation of pinacon
CH55670A
(en )
1912-09-02
Method for the representation of pinacon
CH57062A
(en )
1912-12-02
Process for de-enamelling enamelled objects
CH60979A
(en )
1913-09-16
Process for separating the adsorbents from the adsorbents
CH58146A
(en )
1913-02-17
Process for the preparation of Bromdiäthylacetylisourstoffmethyläther
CH55374A
(en )
1912-08-16
Procedure for the representation of tetrabromindigio
CH58610A
(en )
1913-03-17
Process for removing glass residues from draw containers
CH51153A
(en )
1911-08-01
Process for working zinc
CH52690A
(en )
1911-12-16
Process for the manufacture of abrasive cloths
CH60458A
(en )
1913-07-16
Process for removing soluble salts from glazes
CH53080A
(en )
1912-01-16
Process for improving the vat dyes' vatability
CH54324A
(en )
1912-05-17
Process for the representation of erythrene
CH58670A
(en )
1913-03-17
Process for the representation of erythrene
CH51444A
(en )
1911-09-01
Method for lining containers
CH58145A
(en )
1913-02-17
Process for the preparation of Bromdiäthylacetylisourstoffmethyläther
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