The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 02, 2025
Filed:
Nov. 23, 2020
Solventum Intellectual Properties Company, Maplewood, MN (US);
Michael Jahns, Gilching, DE;
Solventum Intellectual Properties Company, Maplewood, MN (US);
Abstract
Process for treating a porous dental zirconia block with a coloring solution, the process comprising the steps of providing a porous dental zirconia block having two opposing surfaces, surface U and surface L, treating the upper surface U of the porous dental zirconia block with a coloring solution A, wherein the coloring solution is provided with a volume VA, turning the porous dental zirconia block around, treating the lower surface L with a coloring solution Awhich is provided with a volume VA. wherein the coloring solutions Aand Acomprise a solvent and coloring ions, wherein the volume of at least one of the coloring solutions Aor Ais applied in portions, wherein the following condition is met: Vo=ΣV, with x≥2, with Vo being the overall amount of coloring solution used to infiltrate the porous dental zirconia block.