FR740712A
(en )
1933-01-31
Process for the production of sodium sulphate for from sodium chloride and sulfur dioxide
FR752507A
(en )
1933-09-25
Process for the simultaneous production of potassium carbonate and sodium sulphate from potassium sulphate
FR732593A
(en )
1932-09-22
Process for the manufacture of lime nitrate with simultaneous production of magnesia from dolomite
FR796294A
(en )
1936-04-03
Process for the production of sulfur
FR737168A
(en )
1932-12-08
Process for manufacturing oxygen enriched mixtures from air
FR42505E
(en )
1933-08-04
Process for the manufacture of lime chloride
FR972854A
(en )
1951-02-05
Process for obtaining sulfur dioxide and sulfur dioxide from sodium sulphate
FR764368A
(en )
1934-05-19
Process for making potassium sulfate from potassium chloride
FR715229A
(en )
1931-11-27
Process for the manufacture of lime chloride
FR807439A
(en )
1937-01-12
Process for the production of hydrogen dioxide
FR808215A
(en )
1937-02-01
Process for the production of calcium sulphide from gypsum
FR760035A
(en )
1934-02-15
Manufacturing process for titanium white
FR746009A
(en )
1933-05-20
Process for the production of argon or gas mixtures rich in argon
FR765282A
(en )
1934-06-05
Process for manufacturing potassium sulphate
FR803788A
(en )
1936-10-08
Process for the manufacture of anhydrous calcium sulphate and plasters produced using this sulphate
FR580825A
(en )
1924-11-17
Process for the production of sodium sulphate from lime sulphate
FR790367A
(en )
1935-11-20
Process for the manufacture of sodium sulphide from sodium sulphate by reduction with hydrogen or other reducing gases
FR757488A
(en )
1933-12-27
Improvements in the manufacture of tassels, and equipment for the application of the said process
FR829020A
(en )
1938-06-08
Process for the production of easily filtered calcium carbonate during the manufacture of ammonium sulfate from calcium sulfate
FR819533A
(en )
1937-10-20
Process for the production of calcium hydride
FR1057660A
(en )
1954-03-10
Process for the production of sodium sulphide from sodium sulphate
FR793998A
(en )
1936-02-05
Process for the manufacture of fire and acid proof fabrics
FR754775A
(en )
1933-11-14
Process for the manufacture of white cement
FR806126A
(en )
1936-12-08
Process for the production of hyposulfite
FR778187A
(en )
1935-03-11
Process for manufacturing potassium sulphate