CH416156A
(en )
1966-06-30
Process for producing durable reagent papers
CH311250A
(en )
1955-11-30
Process for making diazotype copies.
CH273386A
(en )
1951-02-15
Process for performing chemical reactions.
CH312180A
(en )
1955-12-31
Process for carrying out chlorination reactions.
AT177139B
(en )
1953-12-28
Process for performing rapid chemical reactions
AT278221B
(en )
1970-01-26
Process for processing high quality oils
AT175782B
(en )
1953-08-10
Process for the production of semi-pulp
CH306041A
(en )
1955-03-31
Process for the separation of multi-substance mixtures.
CH318203A
(en )
1956-12-31
Process for the galvanic deposition of metals
CH308182A
(en )
1955-06-30
Process for making shaped articles.
CH307970A
(en )
1955-06-30
Process for the production of chlorofluoroethenes.
AT187053B
(en )
1956-10-10
Process for the production of cation exchangers
CH322056A
(en )
1957-05-31
Process for the reduction of 3-keto-steroids to 3a-oxy-steroids
AT175876B
(en )
1953-08-25
Process for heating reaction spaces
CH296662A
(en )
1954-02-28
Process for purifying acrylonitrile.
CH307001A
(en )
1955-05-15
Process for the manufacture of explosives.
AT186623B
(en )
1956-08-25
Process for the recovery of pure or technically pure nitroform
AT187225B
(en )
1956-10-25
Process for mineral tanning
AT198731B
(en )
1958-07-25
Process for carrying out chemical reactions
AT179289B
(en )
1954-08-10
Process for the production of halofluoroethenes
CH311304A
(en )
1955-11-30
Process for purifying germanium.
AT184594B
(en )
1956-02-10
Process for the reduction of ores
AT180147B
(en )
1954-11-10
Process for purifying germanium
AT184176B
(en )
1955-12-27
Process for obtaining cresol from chlorinated cresol
AT183517B
(en )
1955-10-25
Process for the production of steels containing lead