CH79805A
(en )
1919-01-16
Adhesives and paints and processes for their manufacture
CH78689A
(en )
1918-08-16
Headed studs and process for their manufacture
CH82939A
(en )
1919-11-01
Briquette and process for its manufacture
CH77895A
(en )
1918-11-01
Briquette and process for its manufacture
CH78688A
(en )
1918-08-16
Soldering iron and process for its manufacture
CH80239A
(en )
1919-02-17
Process for the production of ebonite
CH78523A
(en )
1918-08-01
Brush and method of making it
CH79146A
(en )
1918-10-01
Method of making briquettes
CH80422A
(en )
1919-03-01
Process for the production of metal bodies
CH80635A
(en )
1919-09-01
Process for the preparation of ethyl pseudoisatin
CH79810A
(en )
1919-04-16
Waterproof leather substitute and process for its manufacture
CH80701A
(en )
1919-04-01
Waterproof leather substitute and process for its manufacture
CH81905A
(en )
1919-08-01
Process for the production of guanidine sulfate from dicyandiamidine sulfate
CH82599A
(en )
1919-10-01
Process for the preparation of per compounds
CH81775A
(en )
1919-07-16
Process for the production of zinc sulfate from zinc blende
CH79339A
(en )
1918-11-01
Process for the preparation of acetaldehyde from acetylene
CH76373A
(en )
1917-12-01
Process for the preparation of glycolyl-p-phenetidide
CH80966A
(en )
1919-04-16
Process for the preparation of 2-thienylquinoline-4-carboxylic acid
CH78104A
(en )
1918-10-16
Process for the production of mercury oxide
CH79489A
(en )
1918-12-02
Process for the production of copper compounds
AT88401B
(en )
1922-05-10
Process for the production of zinc-lead paints.
CH80638A
(en )
1919-08-01
Process for the preparation of 5-7-dimethylisatin
CH80641A
(en )
1919-08-16
Process for the preparation of 7-methylisatin
CH81551A
(en )
1919-11-01
Process for the preparation of 4-chloro-7-methylisatin
CH81552A
(en )
1919-11-01
Process for the preparation of 4-methyl-7-chloroisatin