AT52249B
(en )
1912-02-26
Method of making a lubricant for waterproofing leather, etc.
CH52050A
(en )
1911-10-16
Process for the preparation of a blue, sulfur-containing vat dye
CH51287A
(en )
1911-08-16
Process for the preparation of a blue, sulfur-containing vat dye
CH51813A
(en )
1911-09-16
Process for the production of a soap-like, solid cleaning agent for leather
AT71585B
(en )
1916-04-25
Process for waterproofing leather, in particular split and sheep leather.
AT63555B
(en )
1914-02-25
Process for the aftertreatment of iron-tanned leather.
CH53008A
(en )
1912-01-16
Process for the preparation of a new vat dye
CH69489A
(en )
1915-07-01
Process for the production of a new, very valuable lubricant for machines
ES51723A3
(en )
1912-01-16
A procedure for waterproofing tanned hides.
CH52278A
(en )
1911-11-01
Method of impregnating leather with rubber resin
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
AT71274B
(en )
1916-02-25
Process for the production of a tanning agent.
AT52287B
(en )
1912-02-26
Process for the production of steel.
CH70547A
(en )
1915-10-01
Process for the preparation of a blue, sulfur-containing vat dye
CH51456A
(en )
1911-09-01
Process for the preparation of a gray vat dye from aminoaphthanthraquinone
CH43322A
(en )
1909-04-16
Process for the production of artificial leather
CH51457A
(en )
1911-09-01
Process for the preparation of a gray vat dye
CH51748A
(en )
1911-09-16
Process for the preparation of a dye for wool
CH51745A
(en )
1911-09-16
Process for the preparation of a dye for wool
CH51746A
(en )
1911-09-16
Process for the preparation of a dye for wool
CH51747A
(en )
1911-09-16
Process for the preparation of a dye for wool
CH51282A
(en )
1911-08-16
Process for the preparation of a dye for wool