CH74524A
(en )
1917-08-01
Furnace for the production of nitrides and other nitrogen compounds
FR482250A
(en )
1917-03-06
Furnace for the production of nitrides and other nitrogen compounds
FR456335A
(en )
1913-08-23
Opacifiers for the production of white enamels
FR444175A
(en )
1912-10-11
Process for the production of aminoanthraquinones
FR471630A
(en )
1914-11-05
Drying furnace for the manufacture of glass sleeves
FR468427A
(en )
1914-07-06
Process for the production of hydrocarbons and their derivatives
FR461625A
(en )
1914-01-07
Furnace for the production of hydrogen
FR472216A
(en )
1914-11-26
Method for the preparation of anthraquinone
FR454389A
(en )
1913-07-02
Machine for the production of ring trusses
FR486776A
(en )
1918-05-08
Preparation of new fertilizer
FR464432A
(en )
1914-03-20
Process for the manufacture of matches of all kinds
FR514468A
(en )
1921-03-11
Process for the production of phthalic anhydride
FR433857A
(en )
1912-01-18
Process for the preparation of oxyhydrogen
FR474887A
(en )
1915-03-22
Isatin manufacturing process
FR467076A
(en )
1914-06-03
Process for the production of formaldehyde
FR19559E
(en )
1915-03-16
Process for the production of halogenated anthracridones
FR459105A
(en )
1913-10-28
Process for the production of halogenated anthracridones
FR476294A
(en )
1915-07-22
Process for the manufacture of calcium cyanamide and other nitrogen compounds
FR436277A
(en )
1912-03-23
Process for the manufacture of multicolored chains
FR453982A
(en )
1913-06-23
Process and tools for the manufacture of wooden matchbooks
FR462198A
(en )
1914-01-21
Process for preparing yeast for the manufacture of extracts
FR484347A
(en )
1917-09-25
Process for the production of artificial slates
CH74135A
(en )
1917-01-16
Process for the production of multicolored images
FR484149A
(en )
1917-09-07
Process for the manufacture of oxylignin or oxylignone starting from the corresponding sulfonates
FR462935A
(en )
1914-02-09
Process for the production of hydrocarbons suitable for gasification