Jonathan S. Bullock - Oak Ridge TN William L. Harper - Wartburg TN Charles G. Peck - Oak Ridge TN
Assignee:
The United States of America as represented by the United States Energy Research and Development Administration - Washington DC
International Classification:
C09D 1100
US Classification:
106 19
Abstract:
This invention is directed to an aqueous halogen-free electromarking solution which possesses the capacity for marking a broad spectrum of metals and alloys selected from different classes. The aqueous solution comprises basically the nitrate salt of an amphoteric metal, a chelating agent, and a corrosion-inhibiting agent.