Patent ID: 11858867
Assignee: CHENGDU BESMILE MEDICAL TECHNOLOGY CORP. LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 8:
9. The zirconia treatment method according to claim 8, wherein the second coloring agent is one or a mixture of two or more of erbium chloride, ferric chloride, neodymium nitrate, manganese nitrate, ammonium metavanadate, cerium nitrate, praseodymium nitrate, cobalt nitrate and nickel nitrate; and/or the second dispersant is any one of a polyethylene glycol, a polyacrylic acid or a polyurethane; and/or the complexing agent is any one of citric acid, glucose, ethylenediaminetetraacetic acid, sodium citrate or 2,3-dimercaptosuccinic acid.