New polysaccharide derivatives and their use for the preparation of stationary chiral phases useful for the separation of isomers of chemical compounds.
FR2696934A1
Derivatives of natural hydroxyl 3B steroids having properties of triggering and stimulating immunity, composition containing them and process for obtaining them.
FR2696475A1
Process for producing microalgae.
FR2661280A1
Improved electrode based on a conductive polymer and process for its preparation, and secondary electrochemical generator endowed with at least one such electrode
