Abstract: The present invention is directed to a synthetic leather preparation, said process includes the following steps: a. to extract a powder from a vegetal source having a volumetric average diameter particles lower than 40 ?m, humidity content lower than 10% in weight, lignin content higher than 30% in weight on the dry residue, and fiber NDF content higher to 85% in weight measured on dry residue; b. to mix the powder obtained as from the step a) with polyurethane in relative quantities comprised between 15:85 and 85:15; c. to spread step b) mix on a vegetal origin support in the presence of a glue. The invention is also directed to the synthetic leather obtained from the above-described method.

Abstract: Glycosaminoglycan esters, wherein at least part of the hydroxyl groups present on the N-acetylglucosamine residue are esterified with an apocarotenoid, their preparation, and their use in formulations for ophthalmic use are described.

Abstract: Glycosaminoglycan esters, wherein at least part of the hydroxyl groups present on the N-acetylglucosamine residue are esterified with an apocarotenoid, their preparation, and their use in formulations for ophthalmic use are described.

Abstract: A process is described for the preparation of esters of diacerein with hyaluronic acid by means of which stable products are obtained, which are practically free of impurities and characterized by a prolonged anti-inflammatory activity. Also described are pharmaceutical compositions containing said esters having prolonged anti-inflammatory activity and are suitable for intra-articular administration.