CH214631A
(en )
1941-05-15
Process for the production of diazotypes.
CH254797A
(en )
1948-05-31
Process for making cryolite.
CH255963A
(en )
1948-07-31
Process for the production of sodium dicyandiamide.
CH227441A
(en )
1943-06-15
Process for the production of breaker contacts containing carbon.
CH246887A
(en )
1947-01-31
Process for the production of artificial leather.
CH236990A
(en )
1945-03-31
Process and furnace for the production of copper halides.
CH252075A
(en )
1947-11-30
Process for the manufacture of photographic material.
CH224979A
(en )
1942-12-31
Process for the production of diazotypes.
CH226012A
(en )
1943-03-15
Process for the production of acetyl peroxide.
CH299214A
(en )
1954-05-31
Process for the production of polyacrylic acid amide.
CH236015A
(en )
1945-01-15
Process for the production of perchlorethylene.
CH263775A
(en )
1949-09-15
Process for the production of the silicon bodies of crystal rectifiers.
CH221732A
(en )
1942-06-15
Process for the production of carbon bodies.
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.
CH219663A
(en )
1942-02-28
Process for the production of moldings.
CH239848A
(en )
1945-11-15
Process for the preparation of 6-sulfanilamido-4-methyl-pyrimidine.
CH220202A
(en )
1942-03-31
Process for the production of sodium persulfate.
CH226877A
(en )
1943-05-15
Process for the production of shaped, porous material.
CH227123A
(en )
1943-05-31
Process for the production of acetone peroxide.
CH263776A
(en )
1949-09-15
Process for the manufacture of crystal rectifiers.
CH236715A
(en )
1945-02-28
Process for the production of x-chloro-o-methyl-e-caprolactam.
CH236224A
(en )
1945-01-31
Process for the preparation of acetyl-iso-malodinitrile.
CH231178A
(en )
1944-02-29
Process for the production of acrylonitrile.
AT190768B
(en )
1957-07-25
Process for the production of sliding surfaces on iron surfaces