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US-12542310-B2 · Feb 3, 2026 · US
Molybdenum metal powder
US9233419B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9233419-B2 |
| Application number | US-201313968770-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 16, 2013 |
| Priority date | Oct 17, 2008 |
| Publication date | Jan 12, 2016 |
| Grant date | Jan 12, 2016 |
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Abstract
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The invention relates to a process for producing sinterable molybdenum metal powder in a moving bed, sinterable molybdenum powder and its use.
First claim
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The invention claimed is: 1. Molybdenum metal powder which has a specific surface area, measured in accordance with ASTM 3663, of from 0.5 to 2 m 2 /g, a flowability of ≧140 sec per 50 g of powder, measured in accordance with ASTM B 213, and an oxygen content of from 0.07 to 0.5%. 2. Molybdenum metal powder according to claim 1 , wherein the powder has an FSSS/FSSS lab milled ratio of ≧1.4 and ≦5. 3. Molybdenum metal powder according to claim 1 , wherein the powder has an FSSS/FSSS lab milled ratio of ≧1.4 and ≦3. 4. Molybdenum metal powder according to claim 1 , wherein the powder has an FSSS/FSSS lab milled ratio of ≧1.4 and ≦2.5. 5. Molybdenum metal powder according to claim 1 , wherein the FSSS particle size of the powder, measured in accordance with ASTM B 330, is from 2 to 8 μm. 6. Molybdenum metal powder according to claim 1 , wherein the FSSS particle size of the powder, measured in accordance with ASTM B 330, is from 2 to 7 μm. 7. Molybdenum metal powder according to claim 1 , wherein the FSSS particle size of the powder, measured in accordance with ASTM B 330, is from 3 to 5 μm. 8. Molybdenum metal powder according to claim 1 , wherein the powder has a specific surface area, measured in accordance with ASTM 3663, of from 0.5 to 1.5 m 2 /g. 9. Molybdenum metal powder according to claim 1 , wherein the powder has a specific surface area, measured in accordance with ASTM 3663, of from 0.5 to 1.2 m 2 /g. 10. Molybdenum metal powder according to claim 1 , wherein the powder has a specific surface area, measured in accordance with ASTM 3663, of from 0.5 to 1.0 m 2 /g. 11. Molybdenum metal powder according to claim 1 , wherein the powder has a specific surface area, measured in accordance with ASTM 3663, of from 0.5 to 0.8 m 2 /g. 12. Molybdenum metal powder according to claim 1 , wherein the powder has an oxygen content of from 0.07 to 0.3%. 13. Molybdenum metal powder according to claim 1 , wherein the powder has an oxygen content of from 0.07 to 0.1%. 14. Molybdenum metal powder according to claim 1 , wherein the powder has an oxygen content of from 0.08 to 0.1%. 15. Molybdenum metal powder according to claim 1 , wherein the powder has a tapped density, measured in accordance with ASTM B 527, of from 1.8 to 2.6 g/cm 3 .
Assignees
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Classifications
using gaseous reductors · CPC title
Hydrogen · CPC title
Alloys based on tungsten or molybdenum · CPC title
Refractory metals · CPC title
Aspects linked to processes or compositions used in powder metallurgy · CPC title
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Frequently asked questions
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- What does patent US9233419B2 cover?
- The invention relates to a process for producing sinterable molybdenum metal powder in a moving bed, sinterable molybdenum powder and its use.
- Who is the assignee on this patent?
- Gries Benno, Starck H C Inc
- What technology area does this patent fall under?
- Primary CPC classification C22B5/14. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jan 12 2016 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).