NL459C
(en )
1914-12-01
Process for the preparation of quinzarin
NL617C
(en )
1915-04-15
Process for the preparation of bismethylaminotetraminoarsenobenzol
NL1164C
(en )
1916-04-01
Method for the preparation of hexaminoarsenobenzole
NL382C
(en )
1914-10-15
Process for the preparation of erythrene
NL99C
(en )
1914-01-15
Process for the preparation of alpha-butadiene and its derivatives
FR461614A
(en )
1914-01-07
Advanced cannetière
NL1087C
(en )
1916-03-01
Method for the preparation of arseno-metal preparations
NL1279C
(en )
1917-01-15
Method for the preparation of aluminum nitrure
NL726C
(en )
1915-06-11
Process for the preparation of waterproof cement
NL302C
(en )
1914-08-01
Process for the preparation of superior sugar
NL384C
(en )
1914-10-15
Process for the preparation of erythrene and isoprene
NL1368C
(en )
1916-07-01
Process for the preparation of solutions of derivatives of bismethylaminotetraminoarsenobenzole
SU350A1
(en )
1924-09-15
The method of preparation of consistent ointments
NL525C
(en )
1915-12-15
Process for the preparation of the isomeric tartaric acids
NL414C
(en )
1914-11-02
Process for the preparation of a rubber surrogate
NL492C
(en )
1915-01-15
Process for the preparation of white lead
NL372C
(en )
1914-11-16
Process for the preparation of chlorine derivatives of the amyl series
NL546C
(en )
1915-12-15
Improvement of a method for the preparation of whitewash
SU4300A1
(en )
1924-09-15
The method of preparation of preparations for washing
NL358C
(en )
1914-10-01
Process for preparing erythrene
NL523C
(en )
1915-02-15
Process for preparing beta-methyl-gamma-oxybutyldimethylamine
CH63502A
(en )
1914-02-02
Process for the manufacture of radiators
FR438634A
(en )
1912-05-23
Interceps share
FR16979E
(en )
1913-05-26
Interceps share
CH61698A
(en )
1913-10-16
Process for the preparation of ß-acetyltrimethylenetetramethyldiamine