CH75240A
(en )
1917-12-01
Process for the production of a highly active decolorizing carbon
CH74534A
(en )
1917-08-01
Process for the production of an anti-skid compound
CH75544A
(en )
1917-08-16
process for the production of a detergent
CH67114A
(en )
1914-11-02
Process for the production of a wood substitute
AT82809B
(en )
1921-02-25
Process for the production of an anti-skid compound.
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH72824A
(en )
1916-07-01
Process for the production of nitrogen compounds
CH63234A
(en )
1914-01-16
Process for the production of a disinfectant
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH57993A
(en )
1913-02-17
Process for the production of a substance similar to rubber
CH59322A
(en )
1913-05-02
Process for the production of a substance similar to rubber
CH59323A
(en )
1913-05-02
Process for the production of a substance similar to rubber
CH73106A
(en )
1916-10-02
Process for the production of a leather substitute
CH72958A
(en )
1916-07-17
Process for the production of sodium percarbonate
CH73443A
(en )
1917-03-16
Process for the production of artificial slates
CH73574A
(en )
1916-10-16
Process for the production of oxygen
CH59153A
(en )
1913-04-16
Process for the production of glycoheptonic acid
CH81778A
(en )
1919-07-16
Process for the preparation of a gallocyanine derivative
CH75450A
(en )
1917-08-01
Process for the production of floor wax
AT63524B
(en )
1914-02-25
Process for the production of colloidal cellulose.
CH64978A
(en )
1914-05-01
Process for the production of resilient corrugated pipes
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH73559A
(en )
1917-02-01
Process for the production of tube-like structures from cellulose compounds
CH57776A
(en )
1913-02-01
Process for the production of printing forms
CH52023A
(en )
1911-10-02
Process for the production of a tannin-silver-protein compound