NL1C
(en )
1913-05-07
Process for preparing double salts of morphine and narkotine for therapeutic use
NL534C
(en )
1915-02-15
Improvement in the preparation method of the sas for match heads
NL432C
(en )
1914-11-16
Process for preparing isoprene and its homologues
NL384C
(en )
1914-10-15
Process for the preparation of erythrene and isoprene
NL382C
(en )
1914-10-15
Process for the preparation of erythrene
NL459C
(en )
1914-12-01
Process for the preparation of quinzarin
NL1741C
(en )
1916-12-15
Method of preparing skin polish
NL303C
(en )
1914-08-01
Method of an apparatus for the preparation and treatment of crystals
CH58093A
(en )
1913-02-17
Process for the preparation of a therapeutically effective tubercle bacilli preparation
NL498C
(en )
1915-01-15
Process for the preparation of isopentenes and their derivatives
NL243C
(en )
1914-06-15
Process for the preparation of urea
NL358C
(en )
1914-10-01
Process for preparing erythrene
NL610C
(en )
1915-04-01
Process for preparing electrolytes for electroplating purposes
NL617C
(en )
1915-04-15
Process for the preparation of bismethylaminotetraminoarsenobenzol
CH70719A
(en )
1915-10-16
Process for the manufacture of textile-like products
NL1476C
(en )
1916-08-01
Method for the preparation of cellulose derivatives
NL523C
(en )
1915-02-15
Process for preparing beta-methyl-gamma-oxybutyldimethylamine
CH66438A
(en )
1914-09-01
Duplication process
NL1592C
(en )
1916-10-02
Method of manufacturing artificial stone
NL452C
(en )
1914-12-01
Process for preparing alkali-soluble derivatives of piaselenol
NL190C
(en )
1914-05-01
Process for the preparation of chloranthraquinones and their homologues or derivatives
FR434529A
(en )
1912-02-06
New kind of crinoline
NL1087C
(en )
1916-03-01
Method for the preparation of arseno-metal preparations
NL245C
(en )
1914-06-15
Method for the synthetic preparation of tannins
NL1164C
(en )
1916-04-01
Method for the preparation of hexaminoarsenobenzole