AT68067B
(en )
1915-02-25
Process for treating rawhide to produce a rubber-like product.
CH62852A
(en )
1913-12-16
Process for the production of rust preventive agents
AT71274B
(en )
1916-02-25
Process for the production of a tanning agent.
CH63932A
(en )
1914-02-16
Process for treating fish oil with hydrogen in order to obtain an industrially usable fat
CH73106A
(en )
1916-10-02
Process for the production of a leather substitute
AT78737B
(en )
1919-10-25
Process for the production of workpiece leather from waste leather.
CH66502A
(en )
1914-09-16
Process for the production of cyanides
CH59678A
(en )
1913-06-02
Method of treating water
CH94692A
(en )
1922-05-01
Process for producing a coating material.
CH65140A
(en )
1914-05-16
Process for the production of leather
CH66042A
(en )
1914-08-01
Process for the production of leather
CH66043A
(en )
1914-08-01
Process for the production of leather
CH66044A
(en )
1914-08-01
Process for the production of leather
CH57292A
(en )
1913-01-02
Process for the production of bodies for sulphurizing
CH64853A
(en )
1914-05-01
Process for tanning animal hides
CH59429A
(en )
1913-05-02
Process for tanning animal hides
CH66045A
(en )
1914-08-01
Process for tanning animal hides
CH61421A
(en )
1913-09-16
Process for the treatment of linseed oil with hydrogen to obtain an industrially usable fat
CH68920A
(en )
1915-05-01
Process for the production of artificial leather
CH59431A
(en )
1913-05-16
Process for making clichés
CH63933A
(en )
1914-02-16
Process for treating soya oil with hydrogen for the purpose of obtaining an industrially usable fat
CH63936A
(en )
1914-02-16
Process for treating palm oil with hydrogen in order to obtain an industrially usable fat
AT63555B
(en )
1914-02-25
Process for the aftertreatment of iron-tanned leather.
CH61630A
(en )
1913-10-01
Process for the production of agents against plant pests
CH61931A
(en )
1913-10-16
Process for the production of technically usable rubber substitute