NL498C
(en )
1915-01-15
Process for the preparation of isopentenes and their derivatives
NL99C
(en )
1914-01-15
Process for the preparation of alpha-butadiene and its derivatives
NL190C
(en )
1914-05-01
Process for the preparation of chloranthraquinones and their homologues or derivatives
NL459C
(en )
1914-12-01
Process for the preparation of quinzarin
NL617C
(en )
1915-04-15
Process for the preparation of bismethylaminotetraminoarsenobenzol
NL384C
(en )
1914-10-15
Process for the preparation of erythrene and isoprene
NL1164C
(en )
1916-04-01
Method for the preparation of hexaminoarsenobenzole
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
NL1087C
(en )
1916-03-01
Method for the preparation of arseno-metal preparations
NL382C
(en )
1914-10-15
Process for the preparation of erythrene
NL372C
(en )
1914-11-16
Process for the preparation of chlorine derivatives of the amyl series
CA144873A
(en )
1912-12-24
Manufacture of derivatives of dioxydiaminoarsenobenzene
NL726C
(en )
1915-06-11
Process for the preparation of waterproof cement
CH74772A
(en )
1917-09-17
Adjustable size bracelet
NL1476C
(en )
1916-08-01
Method for the preparation of cellulose derivatives
NL24C
(en )
1913-08-01
Process for the preparation of derivatives of the barbituric acid
NL222C
(en )
1914-05-15
Process for the preparation of new brown dyes
NL94C
(en )
1914-01-15
Process for the preparation of post-chromable monoazo dyes
NL302C
(en )
1914-08-01
Process for the preparation of superior sugar
FR448609A
(en )
1913-02-05
Method of production of vegetable coloring matter
FR448824A
(en )
1913-02-11
Advanced Forceps
CH61497A
(en )
1913-10-01
Bone mill
FR497319A
(en )
1919-12-03
Clasp
SU4300A1
(en )
1924-09-15
The method of preparation of preparations for washing