CH216125A
(en )
1941-07-31
Process for the production of erasable photographs.
CH205828A
(en )
1939-06-30
Process for the production of aluminum phthalocyanine.
CH203162A
(en )
1939-02-28
Process for the production of diazotypes.
AT155629B
(en )
1939-02-25
Process for the production of condensation products.
CH189156A
(en )
1937-05-01
Process for the production of security paper.
AT152567B
(en )
1938-02-25
Process for the production of nitrogen-containing condensation products.
AT160169B
(en )
1941-02-25
Process for the production of canned food.
CH182873A
(en )
1936-02-29
Process for the production of chrysene.
AT152568B
(en )
1938-02-25
Process for the production of highly resistant core-condensed resin bodies.
CH195959A
(en )
1938-02-28
Process for the production of plastic masses.
AT155630B
(en )
1939-02-25
Process for the production of condensation products.
AT155631B
(en )
1939-02-25
Process for the preparation of 9-amino-1,5-phenanthroline.
CH175343A
(en )
1935-02-28
Process for the production of phenanthrene.
AT148705B
(en )
1937-02-25
Process for making pastries.
CH175352A
(en )
1935-02-28
Process for the preparation of 2-amino-1-naphthol-8-sulfonic acid.
CH182783A
(en )
1936-02-29
Process for the production of sheet-shaped polymerization products.
CH210485A
(en )
1940-07-15
Process for the production of a nitrogen-containing condensation product.
CH189508A
(en )
1937-02-28
Process for the preparation of 3-acetyl-cis-androstandiol-3,17.
CH182652A
(en )
1936-02-29
Process for the production of fittings for building purposes.
AT148694B
(en )
1937-02-25
Process for the production of compressed yeast.
CH181180A
(en )
1935-12-15
Process for the manufacture of pesticides.
CH167511A
(en )
1934-02-28
Process for the production of 3-methylalpentane.
CH190548A
(en )
1937-04-30
Disinfection method.
AT152569B
(en )
1938-02-25
Process for the preparation of pyridinedicarboxylic acid bis-alkylamides.
CH173125A
(en )
1934-11-15
Process for the production of lead-plated zinc strips.