CH83302A
(en )
1919-12-01
Process for the simultaneous production of tartaric acid and saccharic acid by the oxidation of carbohydrates
CH82976A
(en )
1919-11-01
Process for the production of sugar acids by the oxidation of carbohydrates
CH76586A
(en )
1918-01-16
Process for the production of cork boards
AT76380B
(en )
1919-05-10
Process and system for the production of pre-doughs.
CH75971A
(en )
1918-03-16
Process for the production of biochar which can be used as a clarifying and decolorizing agent
CH69950A
(en )
1915-08-02
Process for the production of nitrogen oxides by the catalytic oxidation of ammonia
CH76592A
(en )
1918-01-16
Process for the production of fittings
CH76779A
(en )
1918-02-01
Process for the production of pressed briquettes
CH68744A
(en )
1915-04-16
Process for the production of carbonic acid baths
CH76096A
(en )
1918-04-01
Process for the production of urea
CH73574A
(en )
1916-10-16
Process for the production of oxygen
CH75534A
(en )
1917-08-01
Process for the production of etched figures
CH75897A
(en )
1917-10-01
Process for the production of drive belts
CH75333A
(en )
1917-12-01
Process for the production of etched embroidery
CH69951A
(en )
1915-08-02
Process for the production of nitrogen oxides by the catalytic oxidation of ammonia
CH72690A
(en )
1916-06-16
Process for the production of nitrogen oxides by the catalytic oxidation of ammonia
CH76711A
(en )
1918-05-16
Process for the production of wire drawing dies
AT98697B
(en )
1924-12-10
Process and means for the production of carbonic acid baths.
CH76149A
(en )
1917-11-01
Process for the preparation of 6-oxy-2-phenylpyridine-5-carboxylic acid (2-phenylpyridone-5-carboxylic acid)
CH76064A
(en )
1917-11-01
Process for the production of briquettes from sawdust
AT96521B
(en )
1924-04-10
Process and apparatus for the production of pure furfural.
CH72366A
(en )
1916-10-16
Process for the production of tops
CH75975A
(en )
1917-10-16
Process for the preparation of 1: 6-dioxynaphtoylbenzoic acid
CH72824A
(en )
1916-07-01
Process for the production of nitrogen compounds
CH76405A
(en )
1917-12-17
Process for the manufacture of refractory products