CH70107A
(en )
1915-09-01
Process for the production of a slowly setting hydraulic cement
AT71274B
(en )
1916-02-25
Process for the production of a tanning agent.
CH64160A
(en )
1914-03-16
Process for the production of a waterproof cement
CH58351A
(en )
1913-03-01
Process for the production of artificial building blocks
CH57225A
(en )
1912-12-16
Process for the production of artificial marble from hydraulic mortars
CH62137A
(en )
1913-11-01
Process for the preparation of a new benzanthrone derivative
CH67114A
(en )
1914-11-02
Process for the production of a wood substitute
CH74200A
(en )
1917-01-16
Process for the production of glazed asbestos-cement boards
CH63045A
(en )
1914-01-02
Process for the production of rash-free, color-stable, dark-colored asbestos-cement artificial stone panels
AT70872B
(en )
1916-01-10
Process for the production of artificial marble.
CH80342A
(en )
1919-03-17
Process for the production of a highly effective vitamin preparation largely freed from fiber
CH80646A
(en )
1919-03-17
Process for the production of a highly effective vitamin preparation largely freed from fiber
CH72948A
(en )
1916-08-01
Process for the production of reversible shoes
AT74183B
(en )
1918-02-25
Process for the production of artificial stone.
CH65872A
(en )
1914-07-16
Process for the production of concrete or reinforced concrete piles
CH57292A
(en )
1913-01-02
Process for the production of bodies for sulphurizing
CH71161A
(en )
1915-12-01
Process for the production of portland cement
CH73106A
(en )
1916-10-02
Process for the production of a leather substitute
CH72623A
(en )
1916-06-16
Process for the production of a baking aid
CH73443A
(en )
1917-03-16
Process for the production of artificial slates
CH63234A
(en )
1914-01-16
Process for the production of a disinfectant
CH56522A
(en )
1912-11-01
Process for the production of artificial building blocks
CH45261A
(en )
1909-11-01
Process for the production of a magnesia cement
CH72824A
(en )
1916-07-01
Process for the production of nitrogen compounds
CH69341A
(en )
1915-06-16
Process for the production of a vat dye