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US-11981152-B2 · May 14, 2024 · US
Clay-like composition for sintered precious metal body
US10239121B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10239121-B2 |
| Application number | US-201415038222-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 26, 2014 |
| Priority date | Nov 28, 2013 |
| Publication date | Mar 26, 2019 |
| Grant date | Mar 26, 2019 |
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Abstract
Official abstract text for this publication.
A clay-like composition for forming a sintered precious metal body, the clay-like composition containing at least one powder selected from the group consisting of precious metal powders and precious metal alloy powders, an organic binder, an organic additive and water, wherein the clay-like composition has an initial hardness measured using a type E durometer of E8 to E20, and has a hardness after standing for one hour at room temperature of E40 or less.
First claim
Opening claim text (preview).
The invention claimed is: 1. A clay-like composition for forming a sintered precious metal body, the clay-like composition comprising at least one powder selected from the group consisting of precious metal powders and precious metal alloy powders, an organic binder, an organic additive and water, wherein the organic additive includes propylene glycol, glycerol and polyethylene glycol, an amount of the organic additive is from 0.1 mass % to 3.0 mass %, an amount of the propylene glycol is in a range of 0.3 mass % to 0.8 mass %, an amount of the glycerol is in a range of 0.1 mass % to 0.2 mass %, an amount of the polyethylene glycol is in a range of 0.1 mass % to 0.2 mass %, and the clay-like composition has an initial hardness measured using a type E durometer of E8 to E20, and has a hardness after standing for one hour at room temperature of E40 or less. 2. The clay-like composition for forming a sintered precious metal body according to claim 1 , wherein a total amount of the propylene glycol, the glycerol and the polyethylene glycol is from 0.5 mass % to 1.8 mass %. 3. The clay-like composition for forming a sintered precious metal body according to claim 1 , further comprising wherein 0.1 mass % to 1 mass % of a surface active agent excluding the polyethylene glycol. 4. The clay-like composition for forming a sintered precious metal body according to claim 1 , wherein an amount of the water is from 3 mass % to 35 mass %. 5. The clay-like composition for forming a sintered precious metal body according to claim 1 , wherein the clay-like composition is wrapped in a packaging material having gas barrier properties, and the packaging material is one or more material selected from a group consisting of polyvinylidene chloride film, metal foil, and laminated film including a metal layer and a resin layer.
Assignees
Inventors
Classifications
Supplementary information concerning processes or compositions relating to powder metallurgy · CPC title
Noble metals, i.e. Ag Au, Ir, Os, Pd, Pt, Rh, Ru · CPC title
- B22F1/10Primary
Metallic powder containing lubricating or binding agents; Metallic powder containing organic material · CPC title
- B22F1/0059Primary
Operations & Transport · mapped topic
Alloys based on noble metals · CPC title
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- What does patent US10239121B2 cover?
- A clay-like composition for forming a sintered precious metal body, the clay-like composition containing at least one powder selected from the group consisting of precious metal powders and precious metal alloy powders, an organic binder, an organic additive and water, wherein the clay-like composition has an initial hardness measured using a type E durometer of E8 to E20, and has a hardness af…
- Who is the assignee on this patent?
- Mitsubishi Materials Corp
- What technology area does this patent fall under?
- Primary CPC classification B22F1/10. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Mar 26 2019 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).