CH57772A
(en )
1913-02-01
Manufacturing process for chemical matches
FR417929A
(en )
1910-11-25
Hydrogen manufacturing process
CH55932A
(en )
1912-10-01
Isoprene manufacturing process
FR429140A
(en )
1911-09-15
Ammonia manufacturing process
FR19578E
(en )
1915-03-16
Manufacturing process of? - chloranthraquinones
FR446323A
(en )
1912-12-02
Manufacturing process of? - chloranthraquinones
FR417930A
(en )
1910-11-25
Hydrogen manufacturing process
FR433457A
(en )
1912-01-08
Urea manufacturing process
FR470300A
(en )
1914-09-03
Production process for crimped fabrics
FR436710A
(en )
1912-04-03
Synthetic manufacturing process for ammonia
FR428710A
(en )
1911-09-06
Asphalt manufacturing process
FR440210A
(en )
1912-07-05
Manufacturing process of hydroalkaloids of quinquinas
FR439732A
(en )
1912-06-21
Acetone manufacturing process
FR434500A
(en )
1912-02-03
Improved manufacturing process for candle matches
FR415683A
(en )
1910-10-01
Manufacturing process of amido-aryl-acidyl-amido-anthraquinones
FR438232A
(en )
1912-05-10
Improved plaster manufacturing process
FR434938A
(en )
1912-02-16
Manufacturing process for accumulator electrodes
FR523351A
(en )
1921-08-17
Fertilizer manufacturing process
FR427077A
(en )
1911-07-26
Evaporation process
FR512582A
(en )
1921-01-26
Basic enamels manufacturing process
FR449304A
(en )
1913-02-24
Embroidery manufacturing process
FR532812A
(en )
1922-02-13
Hydrogen sulfide manufacturing process
FR444195A
(en )
1912-10-11
Manufacturing process for 2-nitro-5-acidylaminobenzoylbenzoic acids
FR437387A
(en )
1912-04-19
Process for the production of erythrene
FR442149A
(en )
1912-08-24
Process for the production of erythrene