CH322260A
(en )
1957-06-15
Process for the production of N-methylol-polypyrrolidones
CH328070A
(en )
1958-02-28
Process for the production of potassium terephthalate
CH349977A
(en )
1960-11-15
Process for the preparation of thiol- or thiolthionophosphoric acid esters
AT175782B
(en )
1953-08-10
Process for the production of semi-pulp
CH322870A
(en )
1957-06-30
Process for the production of terephthalic acid
CH320306A
(en )
1957-03-31
Process for the preparation of hydrohalic acid esters
CH322056A
(en )
1957-05-31
Process for the reduction of 3-keto-steroids to 3a-oxy-steroids
AT187408B
(en )
1956-10-25
Process for the production of neutral glycerides of higher fatty acids
AT191398B
(en )
1957-08-26
Process for the continuous washing of crude nitro compounds
AT183517B
(en )
1955-10-25
Process for the production of steels containing lead
AT182708B
(en )
1955-07-25
Process for purifying crude dimethylformamide
AT184566B
(en )
1956-02-10
Process for purifying crude dimethylformamide
AT179289B
(en )
1954-08-10
Process for the production of halofluoroethenes
CH266941A
(en )
1950-02-28
Process for producing conical external threads by rolling.
FR1079012A
(en )
1954-11-25
Rosin purification process
AT193555B
(en )
1957-11-25
Process for the production of essential fatty acids (vitamin F)
AT175559B
(en )
1953-07-25
Process for pressure oxidation of the lower members of the paraffin series
AT174904B
(en )
1953-05-26
Process for the production of substituted carboxylic acids
AT176948B
(en )
1953-12-10
Process for the production of healing ointments
AT179694B
(en )
1954-09-25
Process for the continuous regeneration of pickling liquors
AT176019B
(en )
1953-09-10
Process for the saponification of polyvinyl esters
AT180366B
(en )
1954-12-10
Process for the preparation of nicotinic acid esters
AT189174B
(en )
1957-03-11
Process for the production of carboxylic acids
AT179096B
(en )
1954-07-10
Process for the production of magnesium
CH319938A
(en )
1957-03-15
Process for the preparation of paratoluic acid