FR41969E
(en )
1933-05-04
Simplified process for treating wine lees for the extraction of tartaric products
FR714976A
(en )
1931-11-23
Simplified process for treating wine lees for the extraction of tartaric products
FR49460E
(en )
1939-05-01
Simplified process for treating wine lees for the extraction of tartaric products
FR783319A
(en )
1935-07-11
Process for the preparation of improved detergents and products resulting from the application of this process
FR810395A
(en )
1937-03-20
Process for preparing nitrogenous condensation products
FR43111E
(en )
1934-02-12
Process for hardening albuminous substances
FR800003A
(en )
1936-06-25
Refining process for steels
FR822446A
(en )
1937-12-30
Treatment process for steels and resulting products
FR697179A
(en )
1931-01-13
Process for the distillation of muddy lees for the extraction of tartaric products
FR52082E
(en )
1943-08-13
Process for the treatment of fermentable products to obtain manure
FR768132A
(en )
1934-07-31
Process for the treatment of fibrous materials and products obtained by this process
FR764503A
(en )
1934-05-23
Process for the treatment of corks
FR834344A
(en )
1938-11-17
Process for treating distillery stills
FR746042A
(en )
1933-05-20
Process for the treatment of alcoholic liquors
FR726534A
(en )
1932-05-30
Process for the extraction of tartar from wine lees
FR822428A
(en )
1937-12-30
Colorants for vats and their production process
FR774764A
(en )
1934-12-12
Process for the treatment of hydrocarbon distillation products
FR816252A
(en )
1937-08-04
Process for preparing nitrogenous condensation products
FR837085A
(en )
1939-02-02
Pickling process for steel products
FR771947A
(en )
1934-10-19
Process for preparing nitrogenous condensation products
FR39869E
(en )
1932-03-18
Process for refining metals, especially relating to the removal of impurities from treated lead
FR790454A
(en )
1935-11-21
Process for preparing nitrogenous condensation products
FR760306A
(en )
1934-02-20
Process for the treatment of musts of all kinds
FR806284A
(en )
1936-12-11
Process for preparing nitrogenous condensation products
FR818641A
(en )
1937-09-30
Colorants for vats and their production process