Method for vacuum packing high-purity tin and vacuum-packed high purity tin
US10781024B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2017 |
| Grant date | Sep 22, 2020 |
| Priority date | — |
| Expiry date | Jul 16, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D81/2007
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Provided is a high-purity tin product that does not contain undesirable carbonaceous impurities as a result of the following: a vacuum-packed high-purity metal article (vacuum-packed high-purity tin article) is obtained by vacuum packaging a high-purity metal (high-purity tin), at least a portion of a surface of a high-purity metal being covered with a fluorocarbon resin sheet; and the vacuum-packed high-purity metal article(vacuum-packed high-purity tin article) is obtained by vacuum packaging, with a vacuum packaging film, the high-purity metal in which at least a portion of a surface is covered with the fluorocarbon resin sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.