CH124527A
(en )
1928-03-16
Process for the preparation of 1-aminoanthraquinone-2-thiohydrin.
AT109162B
(en )
1928-03-26
Process for heating cereals.
CH125593A
(en )
1928-05-01
Process for the preservation of organic tissues.
AT109183B
(en )
1928-03-26
Culture process.
CH139358A
(en )
1930-04-15
Process for the preparation of i-eugenol.
CH111240A
(en )
1925-08-01
Process for the preparation of oxycodeinone.
AT108165B
(en )
1927-12-10
Process for cleaning petrol.
CH117491A
(en )
1926-11-01
Process for the preparation of p-N-B-methoxyethylaminobenzoic acid-B-piperidinoethyl ester.
CH141289A
(en )
1930-07-31
Process for the production of bituminous cardboard.
AT109157B
(en )
1928-03-26
Process for purifying gases.
AT108682B
(en )
1928-01-25
Process for the preparation of anthraquinone derivatives.
AT130635B
(en )
1932-12-10
Process for the production of emulsions.
AT106725B
(en )
1927-06-25
Process for the eradication of stored food pests.
CH131726A
(en )
1929-02-28
Process for the preparation of N-w-aminoethyl-2-aminonaphthalene-6-carboxylic acid.
CH119882A
(en )
1927-04-16
Process for the preparation of 4-methylbenzoxazolone-6-arsic acid.
CH145438A
(en )
1931-02-28
Process for the production of primary ferrophosphate.
AT106720B
(en )
1927-06-25
Process for the preparation of aluminum ethylate.
AT107015B
(en )
1927-08-10
Process for the preparation of ester mixtures.
DK36182C
(en )
1926-06-28
Heater.
ES92940A1
(en )
1925-06-01
Bookkeeping apparatus.
AT106715B
(en )
1927-06-25
Process for separating liquid mixtures.
AT107012B
(en )
1927-08-10
Process for the preparation of tetrazoles.
AT121543B
(en )
1931-02-25
Method for the preparation of vanillin.
CH107551A
(en )
1924-11-01
Process for improving the adhesiveness of pesticides.
AT148718B
(en )
1937-02-25
Process for the production of foils.