CH232145A
(en )
1944-05-15
Light-sensitive colloid layer for the production of tanning images.
CH256841A
(en )
1948-09-15
Electrolysis cell.
CH254797A
(en )
1948-05-31
Process for making cryolite.
CH229601A
(en )
1943-11-15
Diaphragm for the electrolysis of solutions containing sulphate.
CH226002A
(en )
1943-03-15
Process for the electrolysis of solutions containing alkali salts.
CH225170A
(en )
1943-01-15
Device for attaching templates to duplicators.
CH217474A
(en )
1941-10-31
Diaphragm for electrochemical purposes.
CH252075A
(en )
1947-11-30
Process for the manufacture of photographic material.
CH226012A
(en )
1943-03-15
Process for the production of acetyl peroxide.
CH266888A
(en )
1950-02-28
Process for the electrolysis of aqueous solutions.
CH224979A
(en )
1942-12-31
Process for the production of diazotypes.
CH226448A
(en )
1943-04-15
Device for the electrolysis of solutions containing alkali salts.
CH260296A
(en )
1949-03-15
Process for the electrolysis of an aqueous alkali metal chloride solution in a cell.
CH239848A
(en )
1945-11-15
Process for the preparation of 6-sulfanilamido-4-methyl-pyrimidine.
CH236015A
(en )
1945-01-15
Process for the production of perchlorethylene.
CH228428A
(en )
1943-08-31
Process for the production of highly concentrated alkali solutions by decomposing alkali amalgam.
CH227347A
(en )
1943-06-15
Process for the production of cellulose ethers.
CH236716A
(en )
1945-02-28
Process for the production of x-chloro-e-methyl-e-caprolactam.
AT179776B
(en )
1954-10-11
Device for the production of alkali or alkali sulfide
CH236224A
(en )
1945-01-31
Process for the preparation of acetyl-iso-malodinitrile.
CH229408A
(en )
1943-10-31
Process for the manufacture of rigid shoe caps.
CH237407A
(en )
1945-04-30
Process for the production of printing forms.
CH236715A
(en )
1945-02-28
Process for the production of x-chloro-o-methyl-e-caprolactam.
DK61624C
(en )
1943-11-29
Process for the Preparation of Acetylsulfanilic Acid Chloride.
CH231881A
(en )
1944-04-30
Process for the production of aluminum sulfate from aluminum ores.