FR784828A
(en )
1935-07-25
Refining process for organic materials
FR784115A
(en )
1935-07-22
Process for treating woody material with a view to obtaining activated carbon
FR821297A
(en )
1937-12-01
Process for the treatment of cellulosic material
FR766755A
(en )
1934-07-04
Physico-biological process influencing the development of plants
FR769932A
(en )
1934-09-04
Process for improving plant materials
FR777716A
(en )
1935-02-27
Process and apparatus for the mechanical treatment of coagulated materials with a view to their drying and transport
FR824878A
(en )
1938-02-17
Process for promoting plant growth
FR694690A
(en )
1930-12-06
Process for impregnating woody materials with a view to transforming their composition
FR771433A
(en )
1934-10-08
Process of treating wood with a view to decorating or adorning the surface
FR797224A
(en )
1936-04-23
Flour treatment process with a view to their conservation
FR589071A
(en )
1925-05-22
Process for treating fruit with a view to obtaining alcohol
FR799068A
(en )
1936-06-05
Water purification process
FR785683A
(en )
1935-08-16
Process for treating alloys with a view to modifying their mechanical properties
FR792591A
(en )
1936-01-06
Process for the preparatory treatment of carbonaceous substances with a view to their hydrogenation
FR801853A
(en )
1936-08-20
Process for recovering the soda contained in the detergents, after treatment of the wood, with a view to obtaining cellulose pulp
FR787511A
(en )
1935-09-24
Tar treatment process
FR828677A
(en )
1938-05-25
Process to activate and promote plant growth
FR822787A
(en )
1938-01-07
Process for the treatment of cellulosic materials
FR802341A
(en )
1936-09-02
Garbage treatment process
FR838282A
(en )
1939-03-02
Process for treating steels with a view to their purification
FR751430A
(en )
1933-09-04
Process for treating artificial bristles with a view to obtaining a matting effect
FR769404A
(en )
1934-08-25
Production process for halohydrins
FR837682A
(en )
1939-02-15
Process for treating brackish water with a view to its application to irrigation
FR45555E
(en )
1935-10-17
Absorption and recovery process
FR785057A
(en )
1935-08-01
Process for obtaining crystalline dextrose