CH73559A
(en )
1917-02-01
Process for the production of tube-like structures from cellulose compounds
CH76292A
(en )
1917-12-01
Process for the manufacture of objects from concrete
CH74534A
(en )
1917-08-01
Process for the production of an anti-skid compound
CH74200A
(en )
1917-01-16
Process for the production of glazed asbestos-cement boards
CH77143A
(en )
1918-03-01
Process for the production of molded parts from cellulosic materials
CH52437A
(en )
1911-11-16
Process for the production of layers from acetyl cellulose
CH75240A
(en )
1917-12-01
Process for the production of a highly active decolorizing carbon
CH73574A
(en )
1916-10-16
Process for the production of oxygen
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH72958A
(en )
1916-07-17
Process for the production of sodium percarbonate
CH74792A
(en )
1917-04-16
Process for the production of tungsten wires
CH60990A
(en )
1913-09-01
Process for the production of nitrocellulose from cellulose wadding
CH63365A
(en )
1914-01-16
Process for the production of nitrocellulose
CH64900A
(en )
1914-05-01
Process for the production of artificial structures from viscose
CH72824A
(en )
1916-07-01
Process for the production of nitrogen compounds
CH73443A
(en )
1917-03-16
Process for the production of artificial slates
CH63328A
(en )
1914-01-16
Process for the production of artificial structures from copper oxide ammonia cellulose solution
CH74129A
(en )
1917-01-16
Process for the production of ethyl alcohol from acetaldehyde
CH77471A
(en )
1918-04-16
Process for the production of ethyl alcohol from acetaldehyde
CH56154A
(en )
1912-10-01
Process for the production of cellulose from fiber materials
CH75544A
(en )
1917-08-16
process for the production of a detergent
CH63494A
(en )
1914-02-02
Process for the production of components
CH57546A
(en )
1913-01-16
Process for the production of size
CH58882A
(en )
1913-04-01
Process for the preparation of a cellulose solution
CH75154A
(en )
1917-06-01
Process for the production of shaped pieces from fodder