CH226168A
(en )
1943-03-15
Process for the production of erasable photographs.
CH221013A
(en )
1942-05-15
Process for the preparation of w-oxycapric acid.
CH203162A
(en )
1939-02-28
Process for the production of diazotypes.
CH208356A
(en )
1940-01-31
Process for the production of luminous enamel.
CH203154A
(en )
1939-02-28
Process for the manufacture of mirrors.
AT157112B
(en )
1939-09-25
Process for the production of hydrocarbons.
CH217627A
(en )
1941-10-31
Process for the manufacture of prostheses.
CH206837A
(en )
1939-08-31
Process for the manufacture of selenium rectifiers.
AT158025B
(en )
1940-02-26
Method of making slippers.
CH213808A
(en )
1941-03-15
Process for the manufacture of barrier photocells.
CH204994A
(en )
1939-05-31
Process for the manufacture of oxide cathodes.
CH205012A
(en )
1939-05-31
Process for the preparation of B- (p-oxyphenyl) -isopropylmethylamine.
CH208742A
(en )
1940-02-29
Method of making shoe heels.
CH203945A
(en )
1939-04-15
Process for the preparation of fluorene-2-carboxylic acid.
CH221832A
(en )
1942-06-15
Process for the preparation of 2-bromo-6-nitro-1-aminobenzene-4-sulfonic acid.
CH203131A
(en )
1939-02-28
Process for the preparation of 3-acetoxy-bisnor-5-cholenic acid.
CH208002A
(en )
1939-12-31
Process for the preparation of 1-amino-2-chloro-4-nitrobenzene-6-sulfonic acid.
AT144751B
(en )
1936-02-25
Method of making roads.
CH182705A
(en )
1936-02-29
Process for the manufacture of footwear.
CH205016A
(en )
1939-05-31
Process for the preparation of B- (p-oxyphenyl) -isopropylmethylamine.
CH238119A
(en )
1945-06-30
Process for the production of rayon.
CH206036A
(en )
1939-07-15
Process for the preparation of d-B- (p-oxyphenyl) -isopropylmethylamine.
CH189506A
(en )
1937-02-28
Method of making plaster bandages.
AT144664B
(en )
1936-02-25
Method of making detonators.
AT152558B
(en )
1938-02-25
Process for the production of dyes.