Film-forming compositions for enveloping solid forms, particularly pharmaceutical or food products or seeds, and products obtained, coated with said compositions

A process for enveloping solid forms such as pharmaceuticals, food products or seeds with a film-forming composition, comprising the steps of:

• making a solution or dispersion of the components of a film-forming composition comprising, by weight, 15 to 85% of a cellulosic film-forming substance, 10 to 70% of at least one alpha-cellulose, and 5 to 30% of at least one plasticizer suitable for consumption;
• and
• spraying said solution or dispersion on the form to be enveloped.