CH32445A
(en )
1905-07-31
Condensing plant for the production of pure nitric acid
FR410556A
(en )
1910-05-24
Plant for the production of sulfuric acid
FR354831A
(en )
1905-10-14
Chamber for the manufacture of sulfuric acid
FR406641A
(en )
1910-02-04
Process for the manufacture of sulfuric acid with tower acid
FR355252A
(en )
1905-10-27
Sulfuric acid manufacturing process
FR11633E
(en )
1910-03-30
Process for the production of sulfuric acid using towers
FR323760A
(en )
1903-03-14
Process for the manufacture of nitric acid
FR360634A
(en )
1906-04-27
Process and device for the manufacture and purification of sulfuric acid
FR375117A
(en )
1907-07-01
Lead chamber for the manufacture of sulfuric acid
FR453733A
(en )
1913-06-14
Manufacturing process of sulfuric acid by means of towers, according to the principle of lead chambers
CH74443A
(en )
1917-03-01
Process and plant for the concentration of sulfuric acid
FR350415A
(en )
1906-02-01
Manufacturing process of para-amidophenolsulfonic acid
FR343903A
(en )
1904-10-19
Process for the production of carbonic acid
FR372644A
(en )
1907-04-12
Dust filtration chamber intended for furnaces for the manufacture of sulfuric acid
FR351742A
(en )
1905-07-24
Manufacturing process of nitric acid
FR417794A
(en )
1910-11-22
Process for the manufacture of hydrocyanic acid
FR347734A
(en )
1905-03-21
Process for the manufacture of phenyl or naphthyl ethers of o-oxy-benzolcarbonic acid
FR358373A
(en )
1906-02-12
Process for the concentration of extended nitric acid
FR5766E
(en )
1906-10-16
Manufacturing process of delta4-cyclogeranic acid
FR5767E
(en )
1906-10-16
Manufacturing process of delta4-cyclogeranic acid
FR320771A
(en )
1902-12-19
Improved process for the manufacture of hydrochloric acid
FR361637A
(en )
1906-09-17
Manufacturing process of? 4-cyclogeranic acid
CH31603A
(en )
1905-04-30
Plant for the industrial manufacture of oxygen
FR355707A
(en )
1905-11-10
Process for the manufacture of fire-lighters
FR475642A
(en )
1915-06-01
Process for the manufacture of titanic acid