CH66545A
(en )
1914-09-16
Process for welding copper
CH68992A
(en )
1915-05-17
Process for the preparation of protocatechialdehyde from piperonal
CH77203A
(en )
1918-03-16
Process for the preparation of glycolyl-p-anisidide
CH75679A
(en )
1918-02-01
Method of joining copper with more difficult to melt pieces of metal
AT68020B
(en )
1915-02-25
Process for welding copper and nickel.
CH70057A
(en )
1915-08-16
Process for the preparation of 4-acetylamino-3-carboxyethylaminophenetol
CH71663A
(en )
1916-02-01
Process for the preparation of dibromobismethylaminotetraminoarsenobenzene
CH70155A
(en )
1915-09-01
Process for the preparation of tetramethyldiaminothiobenzophenone
CH71146A
(en )
1915-12-01
Process for the preparation of 4-lactylamino-3-carboxyethylaminophenetol
CH71282A
(en )
1915-12-16
Process for the preparation of tetraethyldiaminothiobenzophenone
CH70217A
(en )
1915-09-01
Process for the preparation of dichlorobismethylaminotetraminoarsenobenzene
CH66457A
(en )
1914-09-16
Method for connecting radiator elements made of ceramic material
CH69243A
(en )
1915-06-01
Process for the preparation of oxystearophosphinous acid
CH68403A
(en )
1915-03-16
Process for the preparation of bromo diethylacetylcarbamide
CH71806A
(en )
1916-02-16
Process for the preparation of acetaldehyde from acetylene
CH80400A
(en )
1919-03-01
Method for joining sheet-like structures made of metal with their borders
CH63630A
(en )
1914-02-02
Process for the production of hollow bodies from metal plates by welding or soldering them together
CH73729A
(en )
1916-11-16
Process for the production of wires from tungsten
CH69860A
(en )
1915-08-02
Process for the preparation of bromine diethyl acetylurea
CH69481A
(en )
1915-07-01
Process for the preparation of chloroform
CH73603A
(en )
1916-10-16
Process for making tin from tin pastes
CH72956A
(en )
1916-07-17
Process for the preparation of nitrogen compounds
CH74446A
(en )
1917-03-01
Process for the preparation of acetaldehyde from acetylene
CH70379A
(en )
1915-10-16
Process for the preparation of oxysteraphosphinic acid
CH70058A
(en )
1915-08-16
Process for the preparation of oxystearophosphinic acid