CH214631A
(en )
1941-05-15
Process for the production of diazotypes.
CH254797A
(en )
1948-05-31
Process for making cryolite.
CH231070A
(en )
1944-02-29
Process for the production of artificial leather.
CH227355A
(en )
1943-06-15
Process for the production of artificial structures.
CH241098A
(en )
1946-02-15
Process for the production of an indirectly heatable cathode.
CH252075A
(en )
1947-11-30
Process for the manufacture of photographic material.
CH236015A
(en )
1945-01-15
Process for the production of perchlorethylene.
CH224979A
(en )
1942-12-31
Process for the production of diazotypes.
CH226012A
(en )
1943-03-15
Process for the production of acetyl peroxide.
CH221732A
(en )
1942-06-15
Process for the production of carbon bodies.
CH239848A
(en )
1945-11-15
Process for the preparation of 6-sulfanilamido-4-methyl-pyrimidine.
CH212859A
(en )
1940-12-31
Process for the production of paints.
CH236716A
(en )
1945-02-28
Process for the production of x-chloro-e-methyl-e-caprolactam.
CH236713A
(en )
1945-02-28
Process for the production of a-monochloro-e-caprolactam.
CH236681A
(en )
1945-02-28
Process for the production of perchlorethylene.
CH227123A
(en )
1943-05-31
Process for the production of acetone peroxide.
CH219663A
(en )
1942-02-28
Process for the production of moldings.
CH265512A
(en )
1949-12-15
Process for the preparation of durable solutions of polythionates.
CH236224A
(en )
1945-01-31
Process for the preparation of acetyl-iso-malodinitrile.
CH236715A
(en )
1945-02-28
Process for the production of x-chloro-o-methyl-e-caprolactam.
CH220202A
(en )
1942-03-31
Process for the production of sodium persulfate.
CH225273A
(en )
1943-01-15
Method of making suitcases.
CH225374A
(en )
1943-01-31
Process for the production of regenerated rubber.
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.