CH312219A
(en )
1955-12-31
Process for the regeneration of waste paper.
CH317133A
(en )
1956-11-15
Process for polymerizing acrylonitrile
CH312340A
(en )
1955-12-31
Process for the electrostatic application of liquids.
AT184755B
(en )
1956-02-25
Process for the automatic evaluation of documents
AT184566B
(en )
1956-02-10
Process for purifying crude dimethylformamide
AT186236B
(en )
1956-07-25
Process for purifying crude dimethylformamide
CH318445A
(en )
1957-01-15
Process for the recovery of dimethylnitrosamine
CH318203A
(en )
1956-12-31
Process for the galvanic deposition of metals
AT185802B
(en )
1956-06-11
Process for purifying raw lactams
AT187899B
(en )
1956-12-10
Process for purifying raw lactams
AT191398B
(en )
1957-08-26
Process for the continuous washing of crude nitro compounds
AT187215B
(en )
1956-10-25
Process for reforming hydrocarbons
AT188337B
(en )
1957-01-10
Process for cleaning precoat filters
CH314052A
(en )
1956-05-31
Process for the continuous casting of socket pipes
CH307330A
(en )
1955-05-31
Process for reducing the adverse effects of combustion products.
CH309186A
(en )
1955-08-31
Process for reducing the adverse effects of combustion products.
AT175868B
(en )
1953-08-25
Process for stabilizing peracids
AT180147B
(en )
1954-11-10
Process for purifying germanium
AT182702B
(en )
1955-07-25
Process for pigmenting textiles
AT178073B
(en )
1954-04-10
Process for cleaning waste water from the viscose industry
AT182026B
(en )
1955-05-25
Process for cleaning metal surfaces
AT179694B
(en )
1954-09-25
Process for the continuous regeneration of pickling liquors
AT183428B
(en )
1955-10-10
Process for refining metals
AT195548B
(en )
1958-02-10
Process for the desulphurization of petroleum hydrocarbons
CH311304A
(en )
1955-11-30
Process for purifying germanium.