AT89292B
(en )
1922-08-25
Process for the destruction of insect pests.
AT82935B
(en )
1921-02-25
Method of making horseshoe studs.
CH69368A
(en )
1915-06-16
Method of making scythes
CH68994A
(en )
1915-05-17
Process for the preparation of benzyl chloride parasulfonic acid
CH55670A
(en )
1912-09-02
Method for the representation of pinacon
CH56841A
(en )
1912-11-16
Method for the representation of pinacon
CH54686A
(en )
1912-06-01
Method for the representation of pinacon
CH61694A
(en )
1913-10-16
Method of obtaining nicotine
CH77801A
(en )
1918-06-01
Method of making caramel
AT89293B
(en )
1922-08-25
Process for the eradication of plant pests.
CH54321A
(en )
1912-05-17
Method of cleaning table salt
AT57738B
(en )
1913-02-25
Process for the destruction of plant pests.
CH73900A
(en )
1916-12-01
Method of making briquettes
CH57543A
(en )
1913-01-16
Process for the preparation of b-b-dianthraquinonyl sulfide
CH69574A
(en )
1915-07-01
Method of making barrels
CH77203A
(en )
1918-03-16
Process for the preparation of glycolyl-p-anisidide
CH59678A
(en )
1913-06-02
Method of treating water
CH75449A
(en )
1917-08-01
Method for the preparation of vanillin
CH57230A
(en )
1913-01-02
Method of making briquettes
CH61833A
(en )
1913-10-16
Process for the preparation of potassium amide
CH54498A
(en )
1912-06-01
Process for the preparation of aminobenzoylaminobenzoyl-2-amino-5-naphthol-7-sulfonic acid
CH55832A
(en )
1912-09-16
Process for the preparation of o-carboxethylaminophenol-p-arsic acid
CH54326A
(en )
1912-05-17
Process for the preparation of 3-nitro-4oxyphenyl-1-arsic acid
CH56981A
(en )
1912-12-02
Method of making vaults
CH57541A
(en )
1913-01-16
Process for the preparation of sodium amide