Compositions containing a diazine and a halogen compound for cat

Details Compositions containing a diazine and a halogen compound for cat Compositions containing a diazine and a halogen compound for cat

1977-06-28

1978-08-29

Klein, David

Compositions

Etching or brightening compositions

Inorganic acid containing

156666, C09K 1304

Patent

active

041102371

ABSTRACT:
This invention provides copper and copper alloy etching solutions comprising a mixed aqueous solution of a peroxysulfate with a diazine compound and a halogen compound added as the catalyst. There is also provided a process for etching copper and copper alloys with said etching solutions.

REFERENCES:
patent: 3936332 (1976-02-01), Matsumoto et al.
patent: 3948703 (1976-04-01), Kushibe
Porter et al., "Silver and Palladium Complexes . . . " Journal of Heterocyclic Chemistry, vol. X, pp. 43-46, (Aug. 1973).
Tenhunen, A., "Metal Complexes of Pyrazine" Chemical Abstracts, vol. 78, p. 10988, (Jun. 1973).
Gibson et al., "Ferric Complexes . . . Ligand" Chemical Abstracts, vol. 75, p. 42919, (Jul. 1971).
Scumb et al., Hydrogen Peroxide, Reinhold Pub. Co., New York, N.Y. 1955, pp. 662-663, 882-888.

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