Main > WATCH > Ceramics > Zirconia. > Co.: CH. S > Patent > Claims Etc > Claim 1: Exterior Part Zirconia > Core: ZrO2. Surface Superficial > Layer Zr Carbide. Claim 2: > WristWatch Part Transition Region > Sub-Stoichiometric Zr Carbides & > Zr OxyCarbides. Claim 6: Mfg. ZrO2 > Item with Metallic Appearance: > Place Item in Reaction Vessel; > in which Plasma is generated from > Mixt. of H2; Inert Gas & C Traces & > & Maintain Item in Plasma for Time= > 15-240 min.; Temp.=600-1300C to > Convert Portion ZrO2 to Zr Carbide.

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Convert Portion ZrO2 to Zr Carbide.'s subsections
Claim 7: Argon. Claims 8,9:

Convert Portion ZrO2 to Zr Carbide.'s products
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