Catalyzed hydrazine compositions and methods of their use

Details Catalyzed hydrazine compositions and methods of their use Catalyzed hydrazine compositions and methods of their use

1977-01-27

1978-06-20

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

21 25R, 21 27R, 106 1414, 252390, 252400R, C23F 1118, C23F 1114

Patent

active

040960900

ABSTRACT:
Corrosion inhibiting compositions are described which contain a hydrazine compound, an organometallic complex and preferably a quinone compound. The organometallic complex is the reaction product of a cobaltous or manganous hydroxide and one or more aromatic ligands containing at least two hydroxy functional groups, or at least one amino and one hydroxy group, in the ortho position with respect to one another. The quinone compound is preferably added to these compositions in order to render the compositions compatible with chelating phosphonate scale control agents. The use of these compositions as oxygen scavengers in corrosive environments is also described.

REFERENCES:
patent: 2270577 (1942-01-01), Bergstrom et al.
patent: 3551349 (1970-12-01), Kallfass
patent: 3556748 (1971-01-01), Stedman
patent: 3625888 (1971-12-01), Redmore et al.
patent: 3639263 (1972-02-01), Troscinski et al.
patent: 3645896 (1972-02-01), Larsen
patent: 3686123 (1972-08-01), Hiroshi
patent: 3687610 (1972-08-01), Gilson et al.
patent: 3785995 (1974-01-01), Kalil
patent: 4026664 (1977-05-01), Noack

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