CH326650A
(en )
1957-12-31
Process for the preservation of materials
CH416156A
(en )
1966-06-30
Process for producing durable reagent papers
CH304101A
(en )
1954-12-31
Process for profiling metal bodies and device for carrying out this process.
CH320288A
(en )
1957-03-31
Process for fractionating starch
AT278221B
(en )
1970-01-26
Process for processing high quality oils
AT184755B
(en )
1956-02-25
Process for the automatic evaluation of documents
AT175958B
(en )
1953-09-10
Process for improving waxes or waxy substances
CH318445A
(en )
1957-01-15
Process for the recovery of dimethylnitrosamine
AT177357B
(en )
1954-01-25
Process for improving the surface of skiing areas
AT177885B
(en )
1954-03-10
Method for obtaining antibioticis
AT172677B
(en )
1952-10-10
Process for preserving eggs
AT173554B
(en )
1953-01-10
Process for finishing wood
AT187918B
(en )
1956-12-10
Process for the absorption of N-oxides
AT174442B
(en )
1953-03-25
Process for the desulphurization of gases
AT172927B
(en )
1952-10-25
Process for cavitation treatment of liquids
CH303629A
(en )
1954-12-15
Process for the production of rayon in one continuous operation.
AT174135B
(en )
1953-02-25
Process for improving binders based on oils, natural resins or synthetic resins
AT178202B
(en )
1954-04-26
Process for hardening ethoxylin resins
AT177860B
(en )
1954-03-10
Process for conveying viscous substances
CH322056A
(en )
1957-05-31
Process for the reduction of 3-keto-steroids to 3a-oxy-steroids
AT178093B
(en )
1954-04-10
Process for processing copper-containing pyrites
AT178425B
(en )
1954-05-10
Method for obtaining antibioticis
CH306040A
(en )
1955-03-31
Process for evaporation of liquids.
AT174585B
(en )
1953-04-10
Process for dissolving water scale in petrified metallic containers
AT171427B
(en )
1952-05-26
Process for preserving eggs