FR582349A
(en )
1924-12-16
Method and apparatus for the extraction of principles contained in plant and other organs
FR672846A
(en )
1930-01-07
Process for making phosphoric acid and products containing phosphoric acid
FR576838A
(en )
1924-08-27
Method and apparatus for the evaporation of concentrated solutions
FR691361A
(en )
1930-10-21
Method and apparatus for extracting and collecting the development and secretion products of plants
FR26388E
(en )
1923-11-13
Method and apparatus for evaporation of solutions
FR633828A
(en )
1928-02-04
Process for treating crude phosphate and other materials containing insoluble calcium phosphate
FR617215A
(en )
1927-02-16
Gold alloy and process for making it
FR601299A
(en )
1926-02-26
Alloy steels heat treated and containing zirconium and process for making them
FR597144A
(en )
1925-11-13
Process for extracting shiny particles from parts of the body of fish
BE335869A
(en )
1926-09-30
Process for removing impurities from natural and artificial products of all kinds
FR724020A
(en )
1932-04-19
Process for removing the last traces of sulfurous acid from the refined product and the extract in the edeleanu process
FR734881A
(en )
1932-10-29
Apparatus for extracting materials such as alkaloids contained in plants or parts of plants
FR569462A
(en )
1924-04-12
Refining process for metals and alloys
FR509845A
(en )
1920-11-20
Method and apparatus for preventing the formation of scum in drainers
FR829750A
(en )
1938-07-05
Process for the preservation of solid and liquid natural fertilizers
FR601376A
(en )
1926-03-01
Method and apparatus for the enrichment of ores and coals
FR673341A
(en )
1930-01-14
Process for the extraction and presentation of the scent of the iris root
FR569484A
(en )
1924-04-12
Method and apparatus for treating slags by pressurized fluids
FR610133A
(en )
1926-08-30
Process and product for combating scaling in boilers
FR770502A
(en )
1934-09-15
Process and product for plant protection
FR622660A
(en )
1927-06-03
Process for extracting iodine from seaweed or other plants
FR633696A
(en )
1928-02-02
Marine algae treatment process
FR727351A
(en )
1932-06-17
Process for improving the treatment of skin
BE385213A
(en )
1932-01-30
Process for improving the treatment of skin
FR561421A
(en )
1923-10-22
Beauty product to remove charcoal stains and tattoos