FR748336A
(en )
1933-07-01
Process for the manufacture of highly concentrated nitrogen acid
FR662569A
(en )
1929-08-08
Process for the production of hydrocyanic acid
FR628441A
(en )
1927-10-24
Process for the production of hydrogen peroxide by means of carbonic acid and from barium dioxide
FR628360A
(en )
1927-10-22
Process for the production of hydrogen peroxide from barium dioxide by means of carbonic acid
FR692542A
(en )
1930-11-06
Process for the production of hydrocyanic acid
FR638090A
(en )
1928-05-15
Process for the production of hydrogen peroxide from barium dioxide by reaction with carbonic acid
FR661343A
(en )
1929-07-24
Process for the production of concentrated acetic acid, starting from dilute acetic acid
FR642057A
(en )
1928-08-21
Process for the production of solid carbonic acid
FR672767A
(en )
1930-01-07
Method and apparatus for the manufacture of solid carbonic acid
FR638144A
(en )
1928-05-16
Process for improving the manufacture of sulfuric acid by means of sulfur dioxide
FR605115A
(en )
1926-05-20
Process for the manufacture of alkali metabisulphites or bisulphites with recovery of pure carbonic acid
FR602516A
(en )
1926-03-20
Method and apparatus for the manufacture of sulfuric acid
FR615478A
(en )
1927-01-08
Process for the production of concentrated acetic acid
FR594078A
(en )
1925-09-05
Process for the production of sulfuric acid from sulfur dioxide using incomplete catalysts
FR546604A
(en )
1922-11-20
Process for the production of hydrogen peroxide
FR667349A
(en )
1929-10-15
Process for the production of hydrogen peroxide
FR642361A
(en )
1928-08-28
Process and apparatus for the catalytic manufacture of sulfuric acid
FR637000A
(en )
1928-04-20
Carbon dioxide manufacturing process
FR754711A
(en )
1933-11-13
Process for the production of highly concentrated nitrogen acid using dehydrating agents
FR687149A
(en )
1930-08-05
Manufacture of sulfuric acid by the contact process
FR637129A
(en )
1928-04-24
Process for the production of acetic acid
FR617953A
(en )
1927-03-01
Process for the production of hydrocyanic acid
FR694871A
(en )
1930-12-09
Manufacturing process for liquid carbonic acid
FR658960A
(en )
1929-06-22
Process for the production of concentrated acetic acid
FR589100A
(en )
1925-05-22
Method and apparatus for the manufacture of chemically pure sulfuric acid