CH49276A
(en )
1911-01-16
Process for processing petroleum
CH48976A
(en )
1910-12-16
Process for making objects having metal surfaces bright
CH58823A
(en )
1913-04-01
Process for the production of metal layers
CH49434A
(en )
1911-02-01
Process for the preparation of dehydroindigobisulfite
CH49760A
(en )
1911-03-16
Process for the preparation of ketobutanol
CH49761A
(en )
1911-03-16
Process for the preparation of b-methyltetramethylenediamine
CH49907A
(en )
1911-04-01
Process for the preparation of diethylgallocyanine
CH50161A
(en )
1911-05-01
Process for the preparation of methylketobutanol
CH47395A
(en )
1910-06-16
Process for the mechanical processing of spun rayon
CH42567A
(en )
1909-02-01
Process for reducing alumina
CH40999A
(en )
1908-09-16
Process for the representation of tribromoindigo
CH41717A
(en )
1908-11-16
Process for the representation of tribromoindigo
CH45323A
(en )
1909-11-01
Process for the representation of tribromoindigo
CH47517A
(en )
1910-07-01
Process for the representation of tribromoindigo
CH48419A
(en )
1910-10-17
Process for the representation of tribromoindigo
CH49730A
(en )
1911-03-16
Process for manufacturing components
CH54601A
(en )
1912-06-01
Process for manufacturing components
CH49306A
(en )
1911-02-01
Process and system for impregnating wood
AT46702B
(en )
1911-02-25
Process for the electrodeposition of copper.
CH50097A
(en )
1911-04-17
Process for the production of alloys
AT36421B
(en )
1909-02-25
Process for cracking mineral oils.
AT36339B
(en )
1909-02-25
Process for refining liquids.
CH50659A
(en )
1911-06-16
Process for the production of structural parts
CH55404A
(en )
1912-08-16
Process for the improvement of fluids
AT46548B
(en )
1911-02-25
Process for making duplicates or duplicates.