Invention Grant
- Patent Title: Silver article
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Application No.: US17564234Application Date: 2021-12-29
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Publication No.: US11655522B2Publication Date: 2023-05-23
- Inventor: Masami Munakata , Kohtaro Munakata
- Applicant: MISTY COLLECTION Co., LTD.
- Applicant Address: JP Tokyo
- Assignee: MISTY COLLECTION Co., LTD.
- Current Assignee: MISTY COLLECTION Co., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Yokoi & Co., U.S.A.
- Agent Toshiyuki Yokoi
- Priority: JP 2019037169 2019.03.01
- Main IPC: C22C5/06
- IPC: C22C5/06 ; C25D5/34 ; C25D3/46

Abstract:
Provided are a silver article formed using pure silver, which has high Vickers hardness and prohibits the occurrence of metal corrosion and the occurrence of discoloration; and its method. Disclosed are a silver article and its method, wherein the Vickers hardness is adjusted to 60 HV or higher, and when the height of the peak of 2θ=38°±0.2° by an XRD is designated as h1, and that of 2θ=44°±0.4° is designated as h2, h2/h1 is adjusted to 0.2 or greater.
Public/Granted literature
- US20220119918A1 SILVER ARTICLE Public/Granted day:2022-04-21
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