NL1741C
(en )
1916-12-15
Method of preparing skin polish
NL459C
(en )
1914-12-01
Process for the preparation of quinzarin
NL1164C
(en )
1916-04-01
Method for the preparation of hexaminoarsenobenzole
NL1087C
(en )
1916-03-01
Method for the preparation of arseno-metal preparations
NL617C
(en )
1915-04-15
Process for the preparation of bismethylaminotetraminoarsenobenzol
NL1279C
(en )
1917-01-15
Method for the preparation of aluminum nitrure
NL347C
(en )
1914-10-01
Improvement of a method of preparing albumin preparations
CH62684A
(en )
1913-12-01
Process for the preparation of the urethane of dimethylethylcarbinol
NL548C
(en )
1916-12-01
Preservation method of fish
SU4300A1
(en )
1924-09-15
The method of preparation of preparations for washing
NL1592C
(en )
1916-10-02
Method of manufacturing artificial stone
NL99C
(en )
1914-01-15
Process for the preparation of alpha-butadiene and its derivatives
NL726C
(en )
1915-06-11
Process for the preparation of waterproof cement
NL384C
(en )
1914-10-15
Process for the preparation of erythrene and isoprene
NL302C
(en )
1914-08-01
Process for the preparation of superior sugar
NL1102C
(en )
1916-02-01
Method of preserving foodstuffs
NL525C
(en )
1915-12-15
Process for the preparation of the isomeric tartaric acids
SU350A1
(en )
1924-09-15
The method of preparation of consistent ointments
CH61698A
(en )
1913-10-16
Process for the preparation of ß-acetyltrimethylenetetramethyldiamine
NL546C
(en )
1915-12-15
Improvement of a method for the preparation of whitewash
NL498C
(en )
1915-01-15
Process for the preparation of isopentenes and their derivatives
FR438634A
(en )
1912-05-23
Interceps share
FR16979E
(en )
1913-05-26
Interceps share
NL147C
(en )
1914-03-16
METHOD OF TANNING FOR SKINS
NL1336C
(en )
1916-06-01
Method for the rapid tanning of hides