CH226168A
(en )
1943-03-15
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.
CH203154A
(en )
1939-02-28
Process for the manufacture of mirrors.
CH217627A
(en )
1941-10-31
Process for the manufacture of prostheses.
CH182705A
(en )
1936-02-29
Process for the manufacture of footwear.
CH204994A
(en )
1939-05-31
Process for the manufacture of oxide cathodes.
CH193378A
(en )
1937-10-15
Process for the manufacture of shotgun cartridge cases.
AT134398B
(en )
1933-07-25
Process for the manufacture of bespoke footwear.
AT155625B
(en )
1939-02-25
Process for the production of copolymers.
CH238119A
(en )
1945-06-30
Process for the production of rayon.
AT152558B
(en )
1938-02-25
Process for the production of dyes.
CH221829A
(en )
1942-06-15
Process for the preparation of 1-amino-2-chloro-6-nitrobenzene-4-sulfonic acid.
CH221830A
(en )
1942-06-15
Process for the preparation of 2-bromo-4-nitro-1-aminobenzene-6-sulfonic acid.
CH203131A
(en )
1939-02-28
Process for the preparation of 3-acetoxy-bisnor-5-cholenic acid.
CH181180A
(en )
1935-12-15
Process for the manufacture of pesticides.
CH208742A
(en )
1940-02-29
Method of making shoe heels.
AT158025B
(en )
1940-02-26
Method of making slippers.
CH203344A
(en )
1939-02-28
Process for the preparation of 2-mercapto-thiazolidine-2-bornyl ether.
CH203313A
(en )
1939-02-28
Process for the preparation of N-methyl-2-mercapto-thiazolidine-2-methyl ether.
CH175352A
(en )
1935-02-28
Process for the preparation of 2-amino-1-naphthol-8-sulfonic acid.
CH167511A
(en )
1934-02-28
Process for the production of 3-methylalpentane.
AT157954B
(en )
1940-02-26
Process for the production of organic gold compounds.
CH208878A
(en )
1940-02-29
Process for the preparation of 2-acetoacetylamino-5-methoxy-6-ethoxy-benzothiazole.
CH189564A
(en )
1937-02-28
Process for the production of l-ascorbic acid.