Happi staff09.19.19
• US Patent No. 10,391,051 B2 (Ousseynou Dieye, Cheikh Ndiaye Ndime); Visionaturolab Inc, Quebec, has patented an oral care composition centered around the creation of a demineralized cuttlefish bone powder. The method comprises grinding a cuttlefish bone to obtain a coarse cuttlefish bone powder; sieving the coarse bone powder to obtain powder having particle size from 60 microns to 61 microns; mildly demineralizing the first powder in a solution of ammonium chloride or ammonium acetate having a pH of about 4.5 to about 5.5, at a temperature and for a period of time sufficient to obtain a demineralized cuttlefish bone powder having more than 95% (w/w) calcium carbonate content; washing the demineralized cuttlefish bone powder until a neutral pH is reached; and drying the demineralized cuttlefish bone powder.