CH191826A
(en )
1937-07-15
Process for making durable finish fixatives.
CH226040A
(en )
1943-03-15
Process for producing lettering printing.
CH204453A
(en )
1939-04-30
Process for the production of nickel phthalocyanine.
CH201283A
(en )
1938-11-30
Process for the production of alkali aluminates.
CH215895A
(en )
1941-07-31
Process for the production of threads from silica, in particular quartz.
CH202863A
(en )
1939-02-15
Process for the manufacture of paint remover.
AT157112B
(en )
1939-09-25
Process for the production of hydrocarbons.
CH213625A
(en )
1941-02-28
Process for the production of photographic material, in particular for color photography.
CH200692A
(en )
1938-10-31
Process for the production of hollow printing forms, in particular for globes.
CH203156A
(en )
1939-02-28
Process for the production of carbonless paper.
CH223553A
(en )
1942-09-30
Process for the production of security paper.
CH223972A
(en )
1942-10-31
Process for the production of photographic material, in particular for colored images, and photographic material produced by this process.
AT155629B
(en )
1939-02-25
Process for the production of condensation products.
CH189156A
(en )
1937-05-01
Process for the production of security paper.
CH218620A
(en )
1941-12-31
Process for the production of artificial threads.
CH238119A
(en )
1945-06-30
Process for the production of rayon.
CH202522A
(en )
1939-01-31
Process for the production of matting baths.
CH200655A
(en )
1938-10-31
Process for the production of hyposulfite.
AT152558B
(en )
1938-02-25
Process for the production of dyes.
AT152556B
(en )
1938-02-25
Process for the production of fruit vinegar.
AT139848B
(en )
1934-12-10
Process for the production of rubber printing forms for letterpress and gravure printing.
CH152836A
(en )
1932-02-29
Process for the production of rayon.
CH175343A
(en )
1935-02-28
Process for the production of phenanthrene.
AT155630B
(en )
1939-02-25
Process for the production of condensation products.
CH154806A
(en )
1932-05-31
Process for making soda.