AT82802B
(en )
1921-02-25
Process for the production of a mass which can be used as a rubber substitute or as a cement.
CH64241A
(en )
1914-03-16
Process for the production of a hard rubber-like mass
CH56366A
(en )
1912-11-01
Process for the production of a mass used as a substitute for rubber
CH58351A
(en )
1913-03-01
Process for the production of artificial building blocks
AT74183B
(en )
1918-02-25
Process for the production of artificial stone.
CH66860A
(en )
1914-10-16
Process for the production of dihydrocodeine
CH65234A
(en )
1914-06-01
Process for the production of dihydromorphine
CH54972A
(en )
1912-07-01
Process for the production of plate-shaped objects
CH61931A
(en )
1913-10-16
Process for the production of technically usable rubber substitute
CH61916A
(en )
1913-10-16
Process for the representation of erythrene
CH63602A
(en )
1914-02-02
Process for the production of cartridge cases
AT63556B
(en )
1914-02-25
Process for the production of artificial sponge.
AT82803B
(en )
1921-02-25
Process for the production of hard rubber-like masses.
CH66502A
(en )
1914-09-16
Process for the production of cyanides
CH60246A
(en )
1913-07-01
Process for the preparation of b-g-dimethylbutadiene rubber
CH68920A
(en )
1915-05-01
Process for the production of artificial leather
CH61698A
(en )
1913-10-16
Process for the preparation of ß-acetyltrimethylenetetramethyldiamine
CH63133A
(en )
1914-01-02
Process for the manufacture of explosives
CH62140A
(en )
1913-11-01
Process for the manufacture of explosives
CH59641A
(en )
1913-06-02
Process for the production of artificial threads
CH58857A
(en )
1913-04-01
Process for the production of artificial stones
CH59610A
(en )
1913-06-02
Process for the production of artificial stones
CH61357A
(en )
1913-09-16
Process for the production of artificial stones
CH59663A
(en )
1913-06-02
Process for the production of thin cork tapes
CH55154A
(en )
1912-07-16
Process for the production of concrete beams with cavities