CH214631A
(en )
1941-05-15
Process for the production of diazotypes.
CH224657A
(en )
1942-12-15
Process for the production of structures from polyurethanes.
CH254797A
(en )
1948-05-31
Process for making cryolite.
CH227355A
(en )
1943-06-15
Process for the production of artificial structures.
CH226687A
(en )
1943-04-30
Process for the preparation of methyl isocyanate.
CH232248A
(en )
1944-05-15
Method of manufacturing signal plates for super iconoscopes
CH224979A
(en )
1942-12-31
Process for the production of diazotypes.
CH225273A
(en )
1943-01-15
Method of making suitcases.
CH239848A
(en )
1945-11-15
Process for the preparation of 6-sulfanilamido-4-methyl-pyrimidine.
CH219663A
(en )
1942-02-28
Process for the production of moldings.
CH220202A
(en )
1942-03-31
Process for the production of sodium persulfate.
CH236015A
(en )
1945-01-15
Process for the production of perchlorethylene.
CH230420A
(en )
1943-12-31
Process for the production of an acidic wool dye.
CH221732A
(en )
1942-06-15
Process for the production of carbon bodies.
CH265512A
(en )
1949-12-15
Process for the preparation of durable solutions of polythionates.
CH236713A
(en )
1945-02-28
Process for the production of a-monochloro-e-caprolactam.
CH236716A
(en )
1945-02-28
Process for the production of x-chloro-e-methyl-e-caprolactam.
CH236224A
(en )
1945-01-31
Process for the preparation of acetyl-iso-malodinitrile.
CH218766A
(en )
1941-12-31
Process for the preparation of ointment bases.
CH225775A
(en )
1943-02-28
Process for the production of zeolites.
CH225373A
(en )
1943-01-31
Process for the production of artificial structures.
CH263776A
(en )
1949-09-15
Process for the manufacture of crystal rectifiers.
CH225374A
(en )
1943-01-31
Process for the production of regenerated rubber.
CH232116A
(en )
1944-05-15
Process for the production of furfural.
CH234798A
(en )
1944-10-31
Process for the production of recording paper.