CH70624A
(en )
1915-10-16
Process for the concentration of sulfuric acid in a vacuum
CH57296A
(en )
1913-01-02
Process for the preparation of solutions of nitrogen pentoxide in anhydrous nitric acid
CH73573A
(en )
1916-10-16
Method of concentrating nitric acid
AT74592B
(en )
1918-09-10
Process for the production of oxalic acid.
CH72727A
(en )
1916-07-01
Process for the production of oxalic acid
CH68994A
(en )
1915-05-17
Process for the preparation of benzyl chloride parasulfonic acid
CH67430A
(en )
1914-12-01
Method for the concentration of dilute nitric acid
CH56595A
(en )
1912-11-16
Process for the preparation of concentrated nitric acid
CH69243A
(en )
1915-06-01
Process for the preparation of oxystearophosphinous acid
CH68744A
(en )
1915-04-16
Process for the production of carbonic acid baths
CH69765A
(en )
1915-07-16
Process for the production of 1. 2 dioxybenzene-4. 6-disulfonic acid
CH50652A
(en )
1911-06-16
Process for the preparation of ß-methyladipic acid
CH57050A
(en )
1912-12-02
Process for the preparation of nitric acid
CH72663A
(en )
1916-06-16
Process for treating wood with acid
CH64234A
(en )
1914-03-16
Procedure for the concentration of dilute acids
CH68189A
(en )
1915-02-16
Process for the preparation of zinc hydrosulfite solutions
CH68993A
(en )
1915-05-17
Process for the preparation of o-chlorotoluene-p-sulfonic acid
CH69244A
(en )
1915-06-01
Process for the preparation of oxystearophosphinic acid
CH70058A
(en )
1915-08-16
Process for the preparation of oxystearophosphinic acid
CH70375A
(en )
1915-10-16
Process for the preparation of oxybehenophosphinous acid
CH70379A
(en )
1915-10-16
Process for the preparation of oxysteraphosphinic acid
CH71541A
(en )
1916-01-17
Process for obtaining glacial acetic acid from dilute aqueous solutions
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