CH73573A
(en )
1916-10-16
Method of concentrating nitric acid
CH56595A
(en )
1912-11-16
Process for the preparation of concentrated nitric acid
AT87472B
(en )
1922-02-25
Method of concentration of nitric acid.
CH57050A
(en )
1912-12-02
Process for the preparation of nitric acid
CH67430A
(en )
1914-12-01
Method for the concentration of dilute nitric acid
CH75047A
(en )
1917-06-01
Process for the preparation of tropic acid
CH62460A
(en )
1913-11-17
Process for the preparation of N-monodibromopropyl-CC-diethylbarbituric acid
CH59415A
(en )
1913-05-02
Process for the preparation of 2-phenylquinoline-4-carboxylic acid
CH63942A
(en )
1914-02-16
Process for the preparation of N-monobromopropyl-CC-diethylbarbituric acid
CH71189A
(en )
1915-12-01
Process for the preparation of highly concentrated nitric acid
CH73900A
(en )
1916-12-01
Method of making briquettes
CH72957A
(en )
1916-07-17
Process for the oxidation of ammonium sulfite to ammonium sulfate
CH57047A
(en )
1912-12-02
Process for the electrolytic treatment of nitric acid
CH57296A
(en )
1913-01-02
Process for the preparation of solutions of nitrogen pentoxide in anhydrous nitric acid
CH54326A
(en )
1912-05-17
Process for the preparation of 3-nitro-4oxyphenyl-1-arsic acid
CH54498A
(en )
1912-06-01
Process for the preparation of aminobenzoylaminobenzoyl-2-amino-5-naphthol-7-sulfonic acid
CH55832A
(en )
1912-09-16
Process for the preparation of o-carboxethylaminophenol-p-arsic acid
CH74747A
(en )
1917-09-01
Process for the preparation of ß-aminoanthraquinone
CH76149A
(en )
1917-11-01
Process for the preparation of 6-oxy-2-phenylpyridine-5-carboxylic acid (2-phenylpyridone-5-carboxylic acid)
CH72727A
(en )
1916-07-01
Process for the production of oxalic acid
CH63943A
(en )
1914-02-16
Process for the preparation of N-monodibromopropyl-C-phenyl-C-Äthalbarbituric acid
CH59419A
(en )
1913-07-16
Process for the preparation of meso-dichloroanthracene-b-monosulfonic acid
CH59668A
(en )
1913-06-02
Process for the preparation of dinitrophenylarsinic acid
CH61702A
(en )
1913-10-16
Process for the preparation of 1-2-4-purpurine-3-carboxylic acid
CH63902A
(en )
1914-02-16
Process for the preparation of N-monodibromopropyl-CC-diethylbarbituric acid