CH57242A
(en )
1912-12-16
Process for the production of a mass which can be used as plaster powder and for heat and sound insulation
CH62755A
(en )
1914-02-02
process for the production of fire-proof and heat-insulating material
CH58351A
(en )
1913-03-01
Process for the production of artificial building blocks
CH51440A
(en )
1911-09-01
Process for the production of cocoa powder
CH60919A
(en )
1913-08-16
Process and box for the production of cork insulating bricks and structural components
CH61633A
(en )
1913-10-01
Process for the production of ceiling formwork
CH58856A
(en )
1913-04-01
Process for the production of particularly air-permeable dry plaster mortar
CH66860A
(en )
1914-10-16
Process for the production of dihydrocodeine
CH74594A
(en )
1917-08-01
Process for the production of a filling compound for building purposes and vessels
CH47076A
(en )
1910-05-16
Stucco and method of making the same
CH61705A
(en )
1913-10-16
Process for the preparation of glycerol stearate
CH50462A
(en )
1911-06-01
Process for the production of waterproof building materials
CH55638A
(en )
1912-09-02
Process for the production of a mass containing radioactive substance
CH49382A
(en )
1911-02-01
Process for the production of magnesia cement
CH63503A
(en )
1914-04-01
Process and device for the production of panel-shaped structures
CH55875A
(en )
1912-09-16
Method and device for the production of fire-proof and weather-resistant buildings
CH62272A
(en )
1913-11-17
Process for the production of walls from building panels
CH40992A
(en )
1908-09-01
Process for the preparation of isobornyl acetate
CH44584A
(en )
1909-09-01
Process for the production of insulating pipes
CH48314A
(en )
1910-10-01
Process for the production of a weather-resistant plaster
CH64241A
(en )
1914-03-16
Process for the production of a hard rubber-like mass
CH59561A
(en )
1913-05-16
Process for the preparation of b-g-dimethylerythrene
CH54323A
(en )
1912-05-17
Process for the preparation of b-g-dimethylerythrene
CH59310A
(en )
1913-05-02
Process for the preparation of b-g-dimethylerythrene
CH45595A
(en )
1909-12-01
Process for the manufacture of porous ceramic products