CH72355A
(en )
1916-05-01
Process for the production of road surfaces
CH76292A
(en )
1917-12-01
Process for the manufacture of objects from concrete
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH70390A
(en )
1915-09-16
Process for the production of jointless rammed floors
CH67851A
(en )
1915-01-16
Process for the production of marble-like artificial stone slabs
CH73861A
(en )
1916-12-01
Process for the preparation of hydrolecithin
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH67854A
(en )
1915-04-01
Process for the manufacture of concrete piles
CH56522A
(en )
1912-11-01
Process for the production of artificial building blocks
CH72640A
(en )
1916-06-16
Process for the production of macroscopic permanent specimens
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH63045A
(en )
1914-01-02
Process for the production of rash-free, color-stable, dark-colored asbestos-cement artificial stone panels
CH72727A
(en )
1916-07-01
Process for the production of oxalic acid
CH74200A
(en )
1917-01-16
Process for the production of glazed asbestos-cement boards
CH63964A
(en )
1914-03-02
Process for the production of cement in rotary kilns
CH50318A
(en )
1911-05-16
Process for the production of reinforced concrete floors
CH71401A
(en )
1916-01-03
Process for the preparation of o-sulfamidobenzoyl-p-phenetidine
CH72454A
(en )
1916-05-16
Process for the preparation of 1-oxy-2-mercaptoanthraquinone
CH71692A
(en )
1916-02-01
Process for the preparation of 1-amino-2-mercaptoanthraquinone
CH70700A
(en )
1915-10-16
Process for the preparation of iododioxypropane
CH72174A
(en )
1916-04-17
Process for the production of enamels
CH76040A
(en )
1917-10-16
Process for the production of sodium amide
CH76039A
(en )
1917-10-16
Process for the production of sodium amide
CH74226A
(en )
1917-02-01
Process for the production of sodium amide