Title:
METHOD FOR RECOVERING METAL POWDER FROM PLATINUM PASTE AND METHOD FOR REGENERATING PLATINUM PASTE
Document Type and Number:
WIPO Patent Application WO/2015/141550
Kind Code:
A1
Abstract:
The present invention pertains to technology for the recovery and regeneration of platinum paste. The present invention is a method for recovering a metal powder from a platinum paste obtained by mixing: a solid component comprising metal powder including at least a platinum powder or a platinum alloy powder; and an organic component comprising at least an organic solvent, wherein the platinum paste is heated to a recovery temperature in the range of 300-500°C to remove the organic component. The recovered metal powder can be regenerated into a platinum paste similar to a new paste by mixing the same with a solvent, etc.
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Inventors:
OKAMOTO NOBUHISA (JP)
HOSOI TAKUYA (JP)
SAKAIRI KOICHI (JP)
HOSOI TAKUYA (JP)
SAKAIRI KOICHI (JP)
Application Number:
PCT/JP2015/057260
Publication Date:
September 24, 2015
Filing Date:
March 12, 2015
Export Citation:
Assignee:
TANAKA PRECIOUS METAL IND (JP)
International Classes:
C22B11/02; B22F1/00; B22F1/052; B22F1/10; B22F1/107; B22F9/00; C22B7/00; H01B1/22; H01B13/00
Foreign References:
| JPS63502602A | 1988-09-29 | |||
| JP2010156027A | 2010-07-15 | |||
| JP4834170B1 | 2011-12-14 |
Other References:
See also references of EP 3121296A4
Attorney, Agent or Firm:
TANAKA AND OKAZAKI (JP)
Patent business corporation Tanaka and Okazaki and associates (JP)
Patent business corporation Tanaka and Okazaki and associates (JP)
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