CH30589A
(en )
1904-12-31
Potash chlorate candle for the preparation of oxygen
FR340388A
(en )
1904-07-05
Simplified preparation of oxygen
FR465045A
(en )
1914-04-06
Process for the preparation of nitrogen and oxygen compounds
FR353553A
(en )
1905-09-14
Oxygen carburettor for the production of artificial light
FR477044A
(en )
1915-09-17
Oxygen preparation process
FR3565E
(en )
1904-12-07
Process for the preparation of alkylaminoacetopyrocatechins
FR339606A
(en )
1904-06-14
Process for the preparation of new lacquers
FR2016E
(en )
1903-11-24
Improvements in the preparation of oxygen
CH31603A
(en )
1905-04-30
Plant for the industrial manufacture of oxygen
FR405956A
(en )
1910-01-18
Process and devices for the preparation of oxygen by autocombustion
FR511292A
(en )
1920-12-21
Process for the production of compressed soaps containing oxygen
FR349968A
(en )
1905-08-18
Process for the preparation of metatolylsemicarbazide
FR4271E
(en )
1905-10-20
Process for the preparation of metatolylsemicarbazide
CA89152A
(en )
1904-09-13
Miner's lamp
FR343631A
(en )
1904-10-11
Process for the preparation of new lacquers
FR343589A
(en )
1904-10-10
Preparation of hydrogen peroxide
FR7312E
(en )
1907-07-06
Igniter for miner's lamp
FR351822A
(en )
1905-07-26
Igniter for miner's lamp
FR333603A
(en )
1903-11-30
Apparatus for the industrial manufacture of oxygen
FR340460A
(en )
1904-07-07
Gasifier furnace for the production of combustible gases
FR418122A
(en )
1910-12-01
Mixture which releases oxygen under the action of heat
FR413461A
(en )
1910-08-10
Process for the use of slush for the manufacture of combustible briquettes
FR343078A
(en )
1904-09-24
Process for the preparation of indigo
FR369720A
(en )
1907-01-18
Process for the preparation of explosives
FR344930A
(en )
1904-11-16
Process for the preparation of alkyl-aminoacetopyrocatechins