Patent number 378841 has been granted to DAICEL CORPORATION which is titled NUTRIENT COMPOSITION HAVING LIPID METABOLISM IMPROVING ACTION. The patent applicant responded to this objection by stating that the claims of the present invention relate to the nutrient composition comprising a cellulose acetate having a compositional distribution index (CDI) which is defined by a mathematical formula which is an essential technical feature of the claimed nutrient composition and not a mathematical formula per se as defined under section 3k of the Patents Act. This patent falls under the category of Food. Overall, this patent covers a nutritional composition comprising a cellulose acetate having a total degree of acetyl substitution of 0.4 to 1.1.