NL759C
(en )
1915-08-02
Method for treating lacquered leather with artificial light
NL2760C
(en )
1918-12-16
Method for soaking hides and skins
NL3263C
(en )
1919-05-15
Method for treating lacquered leather or the like with light
NL323C
(en )
1914-09-15
Method for tanning fish skins and the like
NL915C
(en )
1915-11-01
METHOD FOR TANNING SKINS
NL816C
(en )
1915-09-15
Process for drying lacquered leather
NL1336C
(en )
1916-06-01
Method for the rapid tanning of hides
NL1005C
(en )
1916-01-03
Method of tanning animal hides
NL280C
(en )
1914-07-01
Method for making sole leather waterproof and more durable
NL2614C
(en )
1918-11-01
Method of preparing hides for the tanning and dyeing process
NL9265C
(en )
1923-07-16
METHOD FOR TANNING SKINS
NL1258C
(en )
1916-05-01
Method for preparing sulfur-containing dyes
NL1440C
(en )
1916-07-15
Method for treating fishing nets
NL387C
(en )
1914-10-15
Machine for the production of artificial slate
NL147C
(en )
1914-03-16
METHOD OF TANNING FOR SKINS
AT63555B
(en )
1914-02-25
Process for the aftertreatment of iron-tanned leather.
NL358C
(en )
1914-10-01
Process for preparing erythrene
CH64853A
(en )
1914-05-01
Process for tanning animal hides
NL4550C
(en )
1920-01-15
METHOD FOR PREPARING PIGMENTS
NL1592C
(en )
1916-10-02
Method of manufacturing artificial stone
NL1540C
(en )
1916-09-04
Method of salting hides
NL1641C
(en )
1916-11-15
Method for manufacturing peat-coal briquettes
NL4365C
(en )
1919-12-15
Method for rapid tanning of leather
NL610C
(en )
1915-04-01
Process for preparing electrolytes for electroplating purposes
NL545C
(en )
1915-03-01
Process for manufacturing paint finishes