CH191024A
(en )
1937-05-31
Process for cleaning wood pulp.
CH189400A
(en )
1937-02-28
Process for cleaning liquid, non-food substances.
SU46883A1
(en )
1936-05-31
Method for cleaning contaminated liquids
CH185928A
(en )
1936-08-31
Device for making butter.
AT157953B
(en )
1940-02-26
Process for the condensation of hydrocarbons.
CH190548A
(en )
1937-04-30
Disinfection method.
CH182715A
(en )
1936-02-29
Process for the preparation of dihydromorphinone.
CH175347A
(en )
1935-02-28
Process for the preparation of methyl 2-keto-1-gulonate.
AT155631B
(en )
1939-02-25
Process for the preparation of 9-amino-1,5-phenanthroline.
AT148705B
(en )
1937-02-25
Process for making pastries.
AT139845B
(en )
1934-12-10
Process for the preparation of tetrahydrofurfural alcohol.
CH175545A
(en )
1935-02-28
Process for the preparation of 1-methyl-4-methoxy-3-N- (γ-ethoxy-B-oxypropyl) -n-butylaminobenzene.
CH175543A
(en )
1935-02-28
Process for the preparation of 1-methyl-3-N- (γ-ethoxy-B-oxypropyl) -n-butylaminobenzene.
CH189508A
(en )
1937-02-28
Process for the preparation of 3-acetyl-cis-androstandiol-3,17.
CH167717A
(en )
1934-02-28
Process for the preparation of 1-phenyl-2,3-dimethyl-4-n-propyl-5-pyrazolone.
CH167718A
(en )
1934-02-28
Process for the preparation of 1-phenyl-2,3-dimethyl-4-allyl-5-pyrazolone.
AT152502B
(en )
1938-02-25
Process for the preparation of pyrazolone- (5) -4-aminomethane-ω-sulfonic acids.
AT152503B
(en )
1938-02-25
Process for the preparation of pyrazolone- (5) -4-aminomethane-ω-sulfonic acids.
CH175542A
(en )
1935-02-28
Process for the preparation of N- (γ-methoxy-B-oxypropyl) -n-butylaminobenzene.
CH175546A
(en )
1935-02-28
Process for the preparation of N- (γ-methoxy-B-oxypropyl) -isobutylaminobenzene.
CH175547A
(en )
1935-02-28
Process for the preparation of N- (γ-ethoxy-B-oxypropyl) -isobutylaminobenzene.
CH175413A
(en )
1935-02-28
Process for making transparencies.
CH160441A
(en )
1933-03-15
Process for the preparation of disazo dyes.
CH182783A
(en )
1936-02-29
Process for the production of sheet-shaped polymerization products.
ES3235Y
(en )
1935-08-16
Improved paperweight apparatus.