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Patent Searching and Data


Title:
CUPROUS CHLORIDE COMPOSITION
Document Type and Number:
Japanese Patent JP3166979
Kind Code:
B2
Abstract:

PURPOSE: To prevent the discoloration and agglomeration of CuCl by adding a specific amount of a stabilizing agent selected from phthalic anhydride, phthalic acid and urea to CuCl and uniformly mixing the components.
CONSTITUTION: CuCl produced by reacting metallic Cu powder with Cl2 in N2 gas flow at a high temperature is sieved to form a powder having an average particle size of 12-300 mesh. 100 pts.wt. of the CuCl particle is incorporated with 0.05-5 pts.wt. of a stabilizing agent selected from phthalic anhydride, phthalic acid and urea and mixed under heating at 50-130°C until the mixture becomes homogeneous. The obtained CuCl composition stable to oxidation and moisture absorption has a complex salt or double salt of CuCl and the stabilizing agent on the surface of the CuCl particle.


Inventors:
Jiro Shinji
Motozawa
Yoshihiko Inoue
Application Number:
JP26860691A
Publication Date:
May 14, 2001
Filing Date:
September 20, 1991
Export Citation:
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Assignee:
Kawaguchi Pharmaceutical Co., Ltd.
International Classes:
C01G3/05; (IPC1-7): C01G3/05
Attorney, Agent or Firm:
Chika Takagi (2 outside)