Papers and articles in paper, and in particular carbonless papers; thermical papers, papers for printing and writing; coated papers; fiduciary and security papers; papers for technical and industrial applications; flexible base papers for grinding and sanding products, decorative papers for laminated panels, papers for sterilized medical packaging, release papers, base papers for diazocopying, mineral base papers for floor and wall coverings, papers for air filters and battery separators; fine art papers; drawing papers; tracing papers, papers and films for computer aided design; papers for school and leisure; tissue papers; synthetic coated papers and boards