CH213063A
(en )
1941-01-15
Process for the preparation of linear polymer amides.
CH201897A
(en )
1938-12-31
Glass thread and process for its manufacture.
CH201230A
(en )
1938-11-30
Method and device for the production of glass threads.
CH203162A
(en )
1939-02-28
Process for the production of diazotypes.
CH205107A
(en )
1939-06-15
Method and device for the production of fiberglass.
AT157112B
(en )
1939-09-25
Process for the production of hydrocarbons.
CH212210A
(en )
1940-11-15
Process for the production of printing forms and intermediate forms therefor.
CH196017A
(en )
1938-02-28
Process for the production of moldings with high wear resistance and toughness.
CH207059A
(en )
1939-09-30
Process for the manufacture of tempered glass articles.
CH223553A
(en )
1942-09-30
Process for the production of security paper.
CH195947A
(en )
1938-02-28
Process for the production of tungsten carbide with high wear resistance.
AT155629B
(en )
1939-02-25
Process for the production of condensation products.
CH189156A
(en )
1937-05-01
Process for the production of security paper.
AT144733B
(en )
1936-02-25
Process for the production of disinfecting and preserving agents.
CH218620A
(en )
1941-12-31
Process for the production of artificial threads.
CH216172A
(en )
1941-08-15
Process for the production of carbon paper.
CH221732A
(en )
1942-06-15
Process for the production of carbon bodies.
CH238119A
(en )
1945-06-30
Process for the production of rayon.
CH203421A
(en )
1939-03-15
Process and device for the production of calcium nitrate with simultaneous production of carbon dioxide.
CH205157A
(en )
1939-06-15
Process for the production of pure clay.
CH202522A
(en )
1939-01-31
Process for the production of matting baths.
CH200655A
(en )
1938-10-31
Process for the production of hyposulfite.
AT157967B
(en )
1940-02-26
Process for the production of sponge or cellular rubber articles.
CH182873A
(en )
1936-02-29
Process for the production of chrysene.
AT155630B
(en )
1939-02-25
Process for the production of condensation products.