CH72052A
(en )
1916-03-16
Process for the production of pure coal
CH69911A
(en )
1915-08-02
Process for the distillation of coal
FR517931A
(en )
1921-05-17
Process for the separation of gas mixtures
FR461785A
(en )
1914-01-10
Process for the purification of nitrocellulose
FR461905A
(en )
1914-01-14
Process for the production of pure zinc
FR469293A
(en )
1914-07-28
Production process for charcoal-free briquettes
FR458441A
(en )
1913-10-10
Process for the purification of graphite
FR457069A
(en )
1913-09-11
Process for the production of pyrography
FR510636A
(en )
1920-12-08
Process for the electrolytic production of solid peroxide combinations
FR479295A
(en )
1916-03-03
Process for the production of toluene
FR453514A
(en )
1913-06-10
Process for the production of dianthraquinonylthioethers
CH73689A
(en )
1916-11-01
Process for the manufacture of snowshoes
FR478435A
(en )
1915-12-10
Production process for ethers-salts
FR439643A
(en )
1912-06-19
Process for the manufacture of pure meta-cresol
FR463333A
(en )
1914-02-19
Process for the manufacture of p-nitrosophenylglycine
FR433695A
(en )
1912-01-13
Advanced process for the manufacture of metallurgical coke
FR441806A
(en )
1912-08-17
Process for the manufacture of mineral briquettes
FR471327A
(en )
1914-10-23
Process for the manufacture of barrels
FR472941A
(en )
1914-12-24
Process for the production of diaryl chloroureides
FR481945A
(en )
1917-01-31
Process for the production of solid shades
FR471405A
(en )
1914-10-26
Coal distillation process
FR466165A
(en )
1914-05-06
Process for the production of alpha-arylides from beta-naphthisatin
FR453086A
(en )
1913-05-30
Production process for certain metals
FR454583A
(en )
1913-07-08
Process for the production of thiazols of the anthraquinone series
FR502195A
(en )
1920-05-06
Process for the production of enamels