CH76810A
(en )
1918-02-16
Process and plant for refining oils
FR518593A
(en )
1921-05-27
Grease and oil purification process
FR718506A
(en )
1932-01-26
Process for improving the properties of lubricating oils
FR487241A
(en )
1918-06-18
Process and installation for the treatment of oils
FR482481A
(en )
1917-03-22
Process for refining saponifiable oils
FR517616A
(en )
1921-05-09
Process for extracting lubricating oils from asphalt materials
FR532513A
(en )
1922-02-06
Process for the extraction of fats and oils and installation for its implementation
FR509375A
(en )
1920-11-08
Process for the production of transformer oil from tar oils
FR702198A
(en )
1931-03-31
Process for the production of lubricating oils
FR477668A
(en )
1915-11-04
Oil refining process
FR453664A
(en )
1913-06-13
Process for bleaching and thickening oils and fats
CH78795A
(en )
1918-09-02
Process and plant for converting heavy petroleum oils into lighter products
FR534710A
(en )
1922-03-31
Process for the extraction of oils and fats from plant materials
FR540004A
(en )
1922-07-04
Briquette and process for making it
FR425401A
(en )
1911-06-10
Process for refining and bleaching mineral wax
FR509099A
(en )
1920-10-30
Process for the purification and refining of petroleum distillates
FR608425A
(en )
1926-07-27
Process for the production of viscous oils from cracking distillates
FR525372A
(en )
1921-09-21
Process for the purification and regeneration of used mineral oils
FR540650A
(en )
1922-07-13
Process for refining hydrocarbon oils
FR449214A
(en )
1913-02-20
Process for preparing odoriferous oils
FR488411A
(en )
1918-10-08
Autocatalysis process for tars and mineral oils
FR487507A
(en )
1918-07-10
Mineral oil transformation process
CH75678A
(en )
1917-09-01
Process and furnace for the refining of volatile metals
FR533916A
(en )
1922-03-14
Process and plant for the continuous distillation of coal tar, mineral oils and other similar substances
FR633945A
(en )
1928-02-06
Process for the production of hydrocarbon oils from coal