CH78470A
(en )
1919-01-02
Process for pumping condensate from surface condensers by means of jet devices
AT80091B
(en )
1920-02-25
Process for the preparation of caramel. Process for the preparation of caramel.
AT108103B
(en )
1927-11-25
Process for the production of moldings from metals.
CH83123A
(en )
1920-04-16
Process for the production of aluminum nitride from substances containing alumina
AT57722B
(en )
1913-02-25
Process for the production of caramel from carbohydrates.
CH75231A
(en )
1917-06-16
Process for the extraction of staple fibers from gorse
CH79066A
(en )
1918-10-01
Process for the extraction of oil
CH76292A
(en )
1917-12-01
Process for the manufacture of objects from concrete
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH77386A
(en )
1918-04-16
Process for the production of cleaning cloths from paper fabrics
CH75534A
(en )
1917-08-01
Process for the production of etched figures
CH58217A
(en )
1913-03-01
Process for the processing of glue water from pottery shops
CH76373A
(en )
1917-12-01
Process for the preparation of glycolyl-p-phenetidide
CH74126A
(en )
1917-01-16
Process for evaporation of liquids
AT80141B
(en )
1920-02-25
Process for the production of plate capacitors with several plate systems.
CH81445A
(en )
1919-06-16
Process for the evaporation of liquids
CH75333A
(en )
1917-12-01
Process for the production of etched embroidery
CH51953A
(en )
1911-10-16
Process for the preparation of sodium oxalate by heating sodium formate
AT91010B
(en )
1923-01-25
Process for the production of pore-free tin deposits.
AT96148B
(en )
1924-02-25
Process for the production of the coating of the dielectric of capacitors.
CH60458A
(en )
1913-07-16
Process for removing soluble salts from glazes
CH79489A
(en )
1918-12-02
Process for the production of copper compounds
CH64933A
(en )
1914-05-01
Process for the preparation of sodium oxalate from technical sodium formate by heating
CH79339A
(en )
1918-11-01
Process for the preparation of acetaldehyde from acetylene
AT89299B
(en )
1922-08-25
Process to prevent the formation of plaster-containing deposits on heating surfaces, especially during evaporation processes.