FR748336A
(en )
1933-07-01
Process for the manufacture of highly concentrated nitrogen acid
FR679541A
(en )
1930-04-14
Process for the production of nitrous oxide
CH145443A
(en )
1931-02-28
Process for the manufacture of phenylglycidic acid.
FR653159A
(en )
1929-03-18
Process for obtaining 1-aminoanthraquinone-2-sulfonic acid
FR692595A
(en )
1930-11-07
Concentrated sulfuric acid de-arsenication process
FR687621A
(en )
1930-08-11
Process for the manufacture of dihaloethyl esters
BE360200A
(en )
1929-05-31
Process for the manufacture of ethers-salts of acrylic acid
FR677525A
(en )
1930-03-11
Process for the manufacture of hydroferricyanic acid or its combinations
FR594152A
(en )
1925-09-08
Process for the manufacture of alkalicellulose
FR687149A
(en )
1930-08-05
Manufacture of sulfuric acid by the contact process
FR681698A
(en )
1930-05-17
Process for the production of formaldehyde
FR674403A
(en )
1930-01-28
Process for the manufacture of phospho-nitrogen fertilizers
FR649526A
(en )
1928-12-24
Contact process for the manufacture of sulfuric acid
FR38577E
(en )
1931-06-15
Acetic acid manufacturing process
FR668720A
(en )
1929-11-06
Process for the production of highly concentrated nitric acid
FR48022E
(en )
1937-10-16
Process for the manufacture of concentrated nitric acid
FR710068A
(en )
1931-08-18
Process for the manufacture of sulfuric acid
FR670462A
(en )
1929-11-29
Process for the production of derivatives of 2.3.-oxynaphthoic acid
FR722981A
(en )
1932-03-31
Process for the production of sulfuric acid by contact
FR759259A
(en )
1934-01-31
Process for the manufacture of citric acid
FR661514A
(en )
1929-07-26
Process for the manufacture of acetone
FR655299A
(en )
1929-04-17
Production process for phosphoric acid
FR41334E
(en )
1932-12-03
Process for the manufacture of sulfuric acid
FR690188A
(en )
1930-09-17
Process for the manufacture of incense
FR685255A
(en )
1930-07-08
Process for the manufacture of anhydrous chromic acid