CH73764A
(en )
1916-11-16
Process for the recovery of peat
CH72355A
(en )
1916-05-01
Process for the production of road surfaces
CH63307A
(en )
1914-01-16
Process for the recovery of peat by wet charring
CH71436A
(en )
1916-01-03
Process for the production of briquettes
CH73861A
(en )
1916-12-01
Process for the preparation of hydrolecithin
CH63517A
(en )
1914-02-02
Method of draining peat
CH72453A
(en )
1916-05-16
Process for the preparation of 1.5-diamido-2.6-dimercaptoanthraquinone
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH73468A
(en )
1916-10-02
Process for the production of calcium cyanamide
CH73296A
(en )
1916-11-16
Process for the production of ammonia
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
CH71194A
(en )
1915-12-01
Process for the preparation of anthraquinone
CH72366A
(en )
1916-10-16
Process for the production of tops
CH72626A
(en )
1916-06-16
Process for the regeneration of mercury catalysts
CH73887A
(en )
1916-12-01
Process for the regeneration of mercury catalysts
CH71040A
(en )
1915-11-16
Procedure to prevent scale settling
CH70700A
(en )
1915-10-16
Process for the preparation of iododioxypropane
CH71401A
(en )
1916-01-03
Process for the preparation of o-sulfamidobenzoyl-p-phenetidine
CH71692A
(en )
1916-02-01
Process for the preparation of 1-amino-2-mercaptoanthraquinone
CH72454A
(en )
1916-05-16
Process for the preparation of 1-oxy-2-mercaptoanthraquinone
CH68153A
(en )
1915-02-16
Process for the production of fuel
AT71551B
(en )
1916-04-25
Process for the production of roofing felt.
CH71034A
(en )
1915-11-16
Process for the preparation of tetrachlorobenzal chloride
CH76040A
(en )
1917-10-16
Process for the production of sodium amide
CH76039A
(en )
1917-10-16
Process for the production of sodium amide