CH227925A
(en )
1943-07-15
Process for the production of erasable photographs.
CH201283A
(en )
1938-11-30
Process for the production of alkali aluminates.
CH254797A
(en )
1948-05-31
Process for making cryolite.
CH176940A
(en )
1935-05-15
Process for the production of polyvinyl esters.
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.
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.
CA236992A
(en )
1924-01-15
Extraction of lime from magnesite or dolomite
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.
AT152570B
(en )
1938-02-25
Process for the preparation of 1.1-dichloroethane.
CH193378A
(en )
1937-10-15
Process for the manufacture of shotgun cartridge cases.
AT140846B
(en )
1935-02-25
Process for the separation of copper-silver alloys.
CH229408A
(en )
1943-10-31
Process for the manufacture of rigid shoe caps.
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.
CH175545A
(en )
1935-02-28
Process for the preparation of 1-methyl-4-methoxy-3-N- (γ-ethoxy-B-oxypropyl) -n-butylaminobenzene.
AT156095B
(en )
1939-05-10
Process for the production of magnesium and alkaline earth metals by molten electrolysis.
AT157954B
(en )
1940-02-26
Process for the production of organic gold compounds.