CH44685A
(en )
1909-09-01
Process for the preparation of a condensation product in a solution of catechin and catechugherbic acid
CH45127A
(en )
1909-10-16
Process for converting a condensation product obtained in solution from catechin and catechugherbic acid into solid form
CH51950A
(en )
1911-10-16
Process for the preparation of a double urea from 1: 2: 6: 4-toluenediaminesulfonic acid and 2: 5-amidonaphthol-7-sulfonic acid
CH47485A
(en )
1910-07-01
Process for the preparation of guaiacol-m-sulfonic acid
CH43187A
(en )
1909-04-16
Process for the preparation of a durable and dry fertilizer containing ammonium phosphate
CH41333A
(en )
1908-10-01
Process for the preparation of a disinfectant
CH41000A
(en )
1908-09-01
Process for the preparation of a sulfur-containing brown vat dye from 1-amino-2-methylanthraquinone
CH42520A
(en )
1909-02-01
Process for the preparation of a condensation product of gallosyanine with aniline
CH44096A
(en )
1909-07-01
Process for the preparation of a condensation product suitable as a substitute for natural resins and lacquers
CH48551A
(en )
1910-11-01
Process for the preparation of trichloroacetyl salicylic acid
CH44434A
(en )
1909-08-02
Process for the preparation of tribromoacetylsalicylic acid
CH45318A
(en )
1909-11-01
Improvement in the process for the preparation of nitric acid from calcium nitrate and sulfuric acid
CH40634A
(en )
1908-08-01
Process for the production of a coffee and cocoa substitute
CH49368A
(en )
1911-02-01
Process for the preparation of an anhydride of salicylic acid
CH49367A
(en )
1911-02-01
Process for the preparation of an anhydride of salicylic acid
CH49366A
(en )
1911-02-01
Process for the preparation of an anhydride of salicylic acid
CH48926A
(en )
1910-12-16
Process for the preparation of an anhydride of salicylic acid
CH43323A
(en )
1909-05-01
Process for the production of a solid fertilizer containing nitrogen and phosphoric acid
CH42661A
(en )
1909-04-01
Process for the preparation of a sulfur-containing vat dye from diphenyldiamo-2-methylanthraquinone
CH42660A
(en )
1909-04-01
Process for the preparation of a sulfur-containing vat dye from monophenylamino-2-methylanthraquinone
CH41714A
(en )
1908-11-16
Process for the preparation of a sulfur-containing vat dye from diamino-2-methylanthraquinone
CH42662A
(en )
1909-04-01
Process for the preparation of a sulfur-containing vat dye from monoamino-2-methyl-3-chloroanthraquinone
CH46400A
(en )
1910-03-01
Process for the preparation of a sulfur-containing vat dye from w-monohalogen-2-methyl-3-chloroanthraquinone
CH46401A
(en )
1910-03-01
Process for the preparation of a sulfur-containing vat dye from 2-methyl-3-chloroanthraquinone
CH42521A
(en )
1909-02-01
Process for the preparation of a brown sulfur dye