CH326650A
(en )
1957-12-31
Process for the preservation of materials
CH312219A
(en )
1955-12-31
Process for the regeneration of waste paper.
CH327712A
(en )
1958-02-15
Process for cleaning silicon
CH322264A
(en )
1957-06-15
Process for the preparation of polymerization products
CH312340A
(en )
1955-12-31
Process for the electrostatic application of liquids.
AT191250B
(en )
1957-08-10
Process for the regeneration of waste paper
AT184755B
(en )
1956-02-25
Process for the automatic evaluation of documents
AT177860B
(en )
1954-03-10
Process for conveying viscous substances
AT278221B
(en )
1970-01-26
Process for processing high quality oils
CH312180A
(en )
1955-12-31
Process for carrying out chlorination reactions.
CH318445A
(en )
1957-01-15
Process for the recovery of dimethylnitrosamine
CH337529A
(en )
1959-04-15
Process for the production of propylamines
CH319776A
(en )
1957-02-28
Process for the production of condensation products
AT190627B
(en )
1957-07-10
Process for homogenizing molten polyamides
AT178202B
(en )
1954-04-26
Process for hardening ethoxylin resins
CH331865A
(en )
1958-08-15
Process for cleaning metallic objects
CH329393A
(en )
1958-04-30
Process for cleaning metal surfaces
AT195035B
(en )
1958-01-25
Process for obtaining vitamins of the B12 group
AT177587B
(en )
1954-02-10
Device for processing field products
CH351600A
(en )
1961-01-31
Process for the preparation of organohalomonosilanes
AT177885B
(en )
1954-03-10
Method for obtaining antibioticis
CH322645A
(en )
1957-06-30
Process for the production of semi-pulp
AT197337B
(en )
1958-04-25
Process for the separation of molecules
AT185644B
(en )
1956-05-25
Process for cleaning metals
AT194083B
(en )
1957-12-27
Process for the partial removal of oxo groups