公开(公告)号：US20190247152A1

公开(公告)日：2019-08-15

申请号：US16394739

申请日：2019-04-25

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael Jahns ,  Jacqueline C. Rolf ,  Dajana Zimmermann

IPC: A61C8/00 ,  A61C13/08 ,  A61K6/02 ,  A61C13/00 ,  B05D3/12 ,  A61C19/06 ,  B05D1/28 ,  B05D3/10 ,  A61C5/77 ,  A61C7/00 ,  C04B41/85 ,  C04B41/50 ,  C04B41/00

CPC classification number: A61C8/0015 ,  A61C5/77 ,  A61C7/00 ,  A61C8/0048 ,  A61C13/0006 ,  A61C13/081 ,  A61C13/082 ,  A61C19/066 ,  A61K6/0205 ,  A61K6/024 ,  B05D1/28 ,  B05D3/108 ,  B05D3/12 ,  C04B41/009 ,  C04B41/5092 ,  C04B41/85 ,  C04B2111/00836 ,  C04B2111/80 ,  C04B35/48 ,  C04B38/00 ,  C04B41/4572

Abstract: The invention relates to a process for selectively treating parts of the surface of a porous dental zirconia article, the process comprising the steps of providing a liquid composition and a porous 3-dimensional dental zirconia article having an outer and inner surface, applying the liquid composition to only a part the outer surface and/or inner surface of the porous dental zirconia article, the liquid composition comprising a whitening agent comprising a phosphorous containing component, the phosphorous containing component comprising a phosphate, phosphone or phosphine moiety, with the proviso that at least one P-O unit of the phosphate, phosphone or phosphine moiety is dissociable or able to otherwise interact with zirconia.The invention also relates to a dental zirconia article obtainable or obtained by such a process and a kit of parts comprising a container containing a certain liquid composition and a dental zirconia mill blank useful for producing a porous dental zirconia article.