CH216125A
(en )
1941-07-31
Process for the production of erasable photographs.
CH205828A
(en )
1939-06-30
Process for the production of aluminum phthalocyanine.
CH201283A
(en )
1938-11-30
Process for the production of alkali aluminates.
CH203162A
(en )
1939-02-28
Process for the production of diazotypes.
AT148714B
(en )
1937-02-25
Process for the production of tanning mixtures in concentrated, optionally dry form.
CH189156A
(en )
1937-05-01
Process for the production of security paper.
AT148694B
(en )
1937-02-25
Process for the production of compressed yeast.
AT152558B
(en )
1938-02-25
Process for the production of dyes.
CH156426A
(en )
1932-08-15
Process for the production of chlorosulfonic acid.
CH167511A
(en )
1934-02-28
Process for the production of 3-methylalpentane.
CH238119A
(en )
1945-06-30
Process for the production of rayon.
CH213615A
(en )
1941-02-28
Process for the production of shoes, in particular felt slippers.
CH182703A
(en )
1936-02-29
Process for the production of items of stiff clothing.
CH202522A
(en )
1939-01-31
Process for the production of matting baths.
CH182705A
(en )
1936-02-29
Process for the manufacture of footwear.
CH159142A
(en )
1932-12-31
Process for the production of chlorosulfonic acid.
CH182780A
(en )
1936-02-29
Process for the production of wood sheets loosened up in their inner context.
CH160123A
(en )
1933-02-28
Process for the production of structures with cavities.
AT155625B
(en )
1939-02-25
Process for the production of copolymers.
AT157954B
(en )
1940-02-26
Process for the production of organic gold compounds.
CH175361A
(en )
1935-02-28
Process for the production of bonds.
AT155618B
(en )
1939-02-25
Process for the production of elastic, impregnated fabrics.
AT157969B
(en )
1940-02-26
Process for the production of colored artificial leather.
CH189405A
(en )
1937-02-28
Process for the preparation of acenaphthene-5,6-dicarboxylic acid.
CH152859A
(en )
1932-02-29
Process for the manufacture of footwear.