CH226168A
(en )
1943-03-15
Process for the production of erasable photographs.
CH201283A
(en )
1938-11-30
Process for the production of alkali aluminates.
AT145809B
(en )
1936-05-25
Process for the extraction of anhydrous magnesium carbonate (magnesite) from dolomite or limestone.
CH176940A
(en )
1935-05-15
Process for the production of polyvinyl esters.
CH176636A
(en )
1935-04-30
Process for wastewater purification.
CH208528A
(en )
1940-02-15
Process for the production of pure anhydrous magnesium chlorine from higher hydrates of magnesium chlorine.
AT148708B
(en )
1937-02-25
Process for the extraction of precious metals.
ES138009A1
(en )
1935-08-16
PROCEDURE TO OBTAIN ANHYDROUS MAGNESIUM CARBONATE (MAGNESITE) FROM DOLOMITE OR LIMESTONE
CH184268A
(en )
1936-05-31
Process for increasing the capillary activity of mercerizing liquors.
CH181567A
(en )
1935-12-31
Process for the production of cartridge cases from light metal.
AT139794B
(en )
1934-12-10
Process for the production of cartridge cases and projectile jackets.
CH204994A
(en )
1939-05-31
Process for the manufacture of oxide cathodes.
CH208747A
(en )
1940-02-29
Process for the preparation of levulinic acid.
AT148691B
(en )
1937-02-25
Process for the recovery of sulphurous acid from gas mixtures.
AT155623B
(en )
1939-02-25
Method of image production.
CH175403A
(en )
1935-02-28
Process for cleaning metal goods containing magnesium.
CH182873A
(en )
1936-02-29
Process for the production of chrysene.
CH175363A
(en )
1935-02-28
Process for improving the "position" of tanned hides.
CH193378A
(en )
1937-10-15
Process for the manufacture of shotgun cartridge cases.
AT160188B
(en )
1941-02-25
Remote control procedure.
AT140846B
(en )
1935-02-25
Process for the separation of copper-silver alloys.
CH208883A
(en )
1940-02-29
Process for the preparation of the dimethylcarbamic acid ester of m-dimethylaminophenol.
CH182705A
(en )
1936-02-29
Process for the manufacture of footwear.
AT156095B
(en )
1939-05-10
Process for the production of magnesium and alkaline earth metals by molten electrolysis.
CH208878A
(en )
1940-02-29
Process for the preparation of 2-acetoacetylamino-5-methoxy-6-ethoxy-benzothiazole.