Title:
COPPER POWDER
Document Type and Number:
WIPO Patent Application WO/2014/115614
Kind Code:
A1
Abstract:
The present invention pertains to a copper powder which contains dendritic copper powder particles, particularly, an attempt to provide a novel copper powder which suffers from little influence of residual chlorine and exhibits reduced susceptibility to oxidation. Proposed is a copper powder (invention copper powder) which contains dendritic copper powder particles and which is characterized in that: the chlorine concentration of the copper powder is 5 to 250 wtppm; and the pH of the copper powder is 5 to 9 as determined according to JIS K 5101-17-2.
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Inventors:
FUJIMOTO TAKU (JP)
WAKIMORI YASUNARI (JP)
HAYASHI TOMIO (JP)
WAKIMORI YASUNARI (JP)
HAYASHI TOMIO (JP)
Application Number:
PCT/JP2014/050539
Publication Date:
July 31, 2014
Filing Date:
January 15, 2014
Export Citation:
Assignee:
MITSUI MINING & SMELTING CO (JP)
International Classes:
B22F1/06; C22C9/00; C25C1/12; H01B5/00
Foreign References:
| JP2013001917A | 2013-01-07 | |||
| JP2012153967A | 2012-08-16 | |||
| JPH0257623A | 1990-02-27 |
Attorney, Agent or Firm:
TAKEUCHI, ICHIZAWA & ASSOCIATES (JP)
Patent business corporation Takeuchi and an Ichizawa international patent firm (JP)
Patent business corporation Takeuchi and an Ichizawa international patent firm (JP)
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