CH327712A
(en )
1958-02-15
Process for cleaning silicon
CH469769A
(en )
1969-03-15
Process for the preparation of polybenzoxazinediones
AT278221B
(en )
1970-01-26
Process for processing high quality oils
CH306041A
(en )
1955-03-31
Process for the separation of multi-substance mixtures.
AT174204B
(en )
1953-03-10
Process for processing rubber compounds
AT177885B
(en )
1954-03-10
Method for obtaining antibioticis
AT172653B
(en )
1952-10-10
Process for continuous sulfonation
AT178093B
(en )
1954-04-10
Process for processing copper-containing pyrites
CH306066A
(en )
1955-03-31
Process for stabilizing polyvinyl acetals.
AT185707B
(en )
1956-05-25
Process for making waterproof sandpaper
AT178425B
(en )
1954-05-10
Method for obtaining antibioticis
AT177357B
(en )
1954-01-25
Process for improving the surface of skiing areas
AT174528B
(en )
1953-04-10
Process for protein production
AT170871B
(en )
1952-04-10
Process for the preparation of diarylacetonitriles
AT172339B
(en )
1952-08-25
Process for the preparation of γ-chlorobutyryl chloride
AT170626B
(en )
1952-03-10
Process for carrying out acid-producing fermentation processes
CH266637A
(en )
1950-02-15
Process for the decomposition of d1-methionine.
AT172677B
(en )
1952-10-10
Process for preserving eggs
AT174442B
(en )
1953-03-25
Process for the desulphurization of gases
CH306040A
(en )
1955-03-31
Process for evaporation of liquids.
AT172118B
(en )
1952-08-11
Process for cooling mines
AT174560B
(en )
1953-04-10
Process for making shoes
CH328260A
(en )
1958-02-28
Process for making steroid compounds
AT176363B
(en )
1953-10-10
Process for hardening ethoxylin resins
AT176674B
(en )
1953-11-10
Process for hardening ethoxylin resins