CH25881A
(en )
1903-07-15
Apparatus for the preparation of nitric acid
CH24001A
(en )
1902-10-31
Apparatus for the continuous preparation of nitric acid
AT29845B
(en )
1907-09-10
Process for the preparation of indoxyl and derivatives thereof.
AT26353B
(en )
1906-11-10
Process for the preparation of nitrogen oxides.
AT27677B
(en )
1907-02-25
Process for the preparation of nitrogen compounds.
CH27290A
(en )
1903-12-31
Apparatus for the enrichment and purification of salt solutions
CH23284A
(en )
1902-06-30
Apparatus for the direct representation of hydrochloric acid
AT43578B
(en )
1910-08-10
Process for the preparation of indoxyl and derivatives thereof.
CH50652A
(en )
1911-06-16
Process for the preparation of ß-methyladipic acid
CH25595A
(en )
1903-06-15
Device for the production of gable locking bricks
CH39102A
(en )
1908-02-01
Apparatus for making carbonic acid baths
CH25784A
(en )
1903-06-30
Facility for the manufacture of rivets
CH24441A
(en )
1902-12-31
Apparatus for making tea
AT23218B
(en )
1906-02-26
Process for the preparation of esters and amides of glyoxylic acid.
AT27657B
(en )
1907-02-25
Process for the preparation of phthalic acid kotarnine.
AT23221B
(en )
1906-02-26
Process for the preparation of C -C dialkyliminobarbituric acids (C -C dialkylmalonylguanidines).
CH32699A
(en )
1905-08-31
Device for the manufacture of sulfuric anhydride
CH48279A
(en )
1910-10-01
Process for the preparation of the metacresol orthooxalic acid ester
CH49522A
(en )
1911-03-01
Process for the preparation of monoiodobrassidic acid
CH49523A
(en )
1911-02-16
Process for the preparation of monojodelaidic acid
CH50225A
(en )
1911-05-16
Process for the preparation of ß-methyladipic acid
CH50282A
(en )
1911-05-16
Process for the preparation of benzoylsalicylic acid
CH50650A
(en )
1911-06-16
Process for the preparation of ß-methyladipic acid
CH50651A
(en )
1911-06-16
Process for the preparation of ß-methyladipic acid
CH50653A
(en )
1911-06-16
Process for the preparation of ß-methyladipic acid