FR714976A
(en )
1931-11-23
Simplified process for treating wine lees for the extraction of tartaric products
FR41969E
(en )
1933-05-04
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
FR697179A
(en )
1931-01-13
Process for the distillation of muddy lees for the extraction of tartaric products
FR832628A
(en )
1938-09-29
Process for preparing improver products for furs, hair and textiles of all kinds
FR726534A
(en )
1932-05-30
Process for the extraction of tartar from wine lees
FR822446A
(en )
1937-12-30
Treatment process for steels and resulting products
FR768132A
(en )
1934-07-31
Process for the treatment of fibrous materials and products obtained by this process
FR834344A
(en )
1938-11-17
Process for treating distillery stills
FR52082E
(en )
1943-08-13
Process for the treatment of fermentable products to obtain manure
FR726708A
(en )
1932-06-02
Process for using anti-fog products
FR39869E
(en )
1932-03-18
Process for refining metals, especially relating to the removal of impurities from treated lead
FR715495A
(en )
1931-12-03
Process for the treatment of dolomites
FR711291A
(en )
1931-09-07
Process for the treatment of dolomites
FR764503A
(en )
1934-05-23
Process for the treatment of corks
FR726765A
(en )
1932-06-03
Process for the treatment of furs
FR774764A
(en )
1934-12-12
Process for the treatment of hydrocarbon distillation products
FR837085A
(en )
1939-02-02
Pickling process for steel products
FR822428A
(en )
1937-12-30
Colorants for vats and their production process
FR734841A
(en )
1932-10-28
Process for the treatment of household waste
FR727351A
(en )
1932-06-17
Process for improving the treatment of skin
FR809700A
(en )
1937-03-08
Process for the treatment of oleaginous substances and resulting products
BE385213A
(en )
1932-01-30
Process for improving the treatment of skin
FR736920A
(en )
1932-12-05
Process for the improvement of articles of furskins and articles improved by this process