CH250075A
(en )
1947-08-15
Polymerization process.
CH249748A
(en )
1947-07-15
Process for the preparation of para-aminobenzenesulfamido-2-methyl-4-pyrimidine.
DK70269C
(en )
1949-11-28
Process for the production of greasy tanned leather.
DK71083C
(en )
1950-06-06
Process for the production of tanned fish skins.
FR917317A
(en )
1947-01-03
Tanning process
DK69721C
(en )
1949-08-08
Method for tanning palsskin.
DK68072C
(en )
1948-12-06
Process for the production of polyamides.
DK68052C
(en )
1948-12-06
Process for the production of ketones from the sterin series.
DK67896C
(en )
1948-11-08
Process for the preparation of 2-benzolsulfonamidothiazoles.
DK69624C
(en )
1949-07-25
Process for the preparation of diaryl-dialkylethanes.
DK69301C
(en )
1949-06-07
Process for the production of basic ketones.
DK63614C
(en )
1945-06-18
Process for the production of ditertiary diamines.
DK67500C
(en )
1948-08-30
Process for the preparation of 1-d-ribitylamino-3,4-xylol.
DK68837C
(en )
1949-04-04
Process for the production of folic acid.
DK68333C
(en )
1949-01-10
Process for the preparation of sulfanilylurea.
DK68576C
(en )
1949-02-21
Process for the preparation of xanthine.
DK69035C
(en )
1949-04-25
Process for the manufacture of lacquered articles of iron or steel.
ES10705Y
(en )
1945-09-01
Leather espadrille.
GR10281B
(en )
1944-07-31
QUICK PROCESSING PRODUCT OF RAW LEATHERS.
DK76261C
(en )
1953-08-24
Process for the production of acidified malt.
DK72285C
(en )
1951-03-19
Process for the preparation of ketosulfones.
DK72831C
(en )
1951-07-30
Process for the production of oxide cathodes.
DK69192C
(en )
1949-05-16
Process for the preparation of aliphatic α, ω-cyanocarboxylic acids.
DK70493C
(en )
1950-01-16
Method for pickling skins or hides.
DK67377C
(en )
1948-08-09
Process for the production of polyurethanes.