CH281450A
(en )
1952-03-15
Process for hard chrome plating of the interior of pipes.
CH277997A
(en )
1951-09-30
Process for the electrodeposition of gold or gold alloys.
CH290905A
(en )
1953-05-31
Process for the production of semi-pulp.
CH293694A
(en )
1953-10-15
Process for the continuous production of alkyl monochlorides.
CH274839A
(en )
1951-04-30
Process for the recovery of platinum.
AT169830B
(en )
1951-12-27
Process for the phosphating of metals
CH295405A
(en )
1953-12-31
Process for the electrochemical treatment of metal objects.
AT177629B
(en )
1954-02-25
Process for the phosphating of metals
AT177768B
(en )
1954-03-10
Process for the production of unsaturated nitriles
AT173780B
(en )
1953-01-26
Process for the formation of relief-like surfaces
AT168637B
(en )
1951-07-10
Process for the electrolytic polishing of metals
AT171176B
(en )
1952-05-10
Process for the production of 17α-methyl-pregnenverbindungen
AT177932B
(en )
1954-03-25
Process for the production of metal powder for powder metallurgical purposes
AT185993B
(en )
1956-06-25
Process for carrying out metal slag reactions
AT179385B
(en )
1954-08-25
Process for the preparation of substituted pteridines
AT182235B
(en )
1955-06-10
Process for the production of metal powder or metal sponge
AT170871B
(en )
1952-04-10
Process for the preparation of diarylacetonitriles
AT192635B
(en )
1957-10-25
Process for the manufacture of hard metal objects
AT170032B
(en )
1952-01-10
Process for the extraction of argon
AT178203B
(en )
1954-04-26
Process for the production of hardboard
AT177520B
(en )
1954-02-10
Process for the production of metal coffins
AT179292B
(en )
1954-08-10
Process for the preparation of 1-benzyl-bz-tetrahydroisoquinoline
AT168645B
(en )
1951-07-10
Process for the reduction of compounds of the cyclopentanopolyhydrophenanthrene series
AT182712B
(en )
1955-07-25
Process for the preparation of 1-benzyl-bz-tetrahydroisoquinolone- (3)
AT184177B
(en )
1955-12-27
Process for the production of chloramphenicol