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Tantalum based alloy that is resistant to aqueous corrosion
US9725793B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9725793-B2 |
| Application number | US-10976508-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 25, 2008 |
| Priority date | Apr 27, 2007 |
| Publication date | Aug 8, 2017 |
| Grant date | Aug 8, 2017 |
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Abstract
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A tantalum or tantalum alloy which contains pure or substantially pure tantalum and at least one metal element selected from the group consisting of Ru, Rh, Pd, Os, Jr, Pt, Mo, W and Re to form a tantalum alloy that is resistant to aqueous corrosion. The invention also relates to the process of preparing the tantalum alloy.
First claim
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We claim: 1. A tantalum alloy resistant to aqueous corrosion and consisting essentially of Ta-3W and Pt, wherein the Pt is present in an amount of at least 1,000 ppm and at most 2,000 ppm. 2. A tantalum alloy resistant to aqueous corrosion and consisting essentially of Ta-3W and Pt, wherein the Pt is present in an amount of 2,000 ppm. 3. A tantalum alloy resistant to aqueous corrosion and consisting essentially of Ta-3W and Pt, wherein (i) the tantalum alloy consists of Ta-3W and Pt, and (ii) the Pt is present in an amount of at least 1,000 ppm and at most 2,000 ppm. 4. A tantalum alloy resistant to aqueous corrosion and consisting essentially of Ta-3W and Pt, wherein (i) the tantalum alloy consists of Ta-3W and Pt, and (ii) the Pt is present in an amount of 2,000 ppm.
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- What does patent US9725793B2 cover?
- A tantalum or tantalum alloy which contains pure or substantially pure tantalum and at least one metal element selected from the group consisting of Ru, Rh, Pd, Os, Jr, Pt, Mo, W and Re to form a tantalum alloy that is resistant to aqueous corrosion. The invention also relates to the process of preparing the tantalum alloy.
- Who is the assignee on this patent?
- Aimone Paul R, Hinshaw Evan, Starck H C Inc
- What technology area does this patent fall under?
- Primary CPC classification C22C27/02. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Aug 08 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).