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AssigneeMorton International, Inc.
InventorsRichard T. Moyle, Karl P. Anderson, James Paczesny, John Pisapia, Lori E. Whitherup
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This invention relates to aqueous epoxy resin-containing compositions and to such compositions which are particularly useful for depositing coatings on metalic substrates in order to protect substrates against corrosion. The aqueous compositions generally comprise (A) an organic resin component consisting essentially of at least one water-dispersible or emulsifiable epoxy resin or a mixture of resins containing more than 50% by weight of at least one water-dispersible or emulsifiable epoxy resin, (B) chromium trioxide, and (C) water, said composition further characterized as being substantially free of strontium chromate. The aqueous compositions may also contain other ingredients including zinc and/or ferro alloys, and polytetrafluoroethylene as a lubricant to aid metal stamping operations, and a soluble colorant.
An aqueous composition comprising:
An aqueous composition comprising:
An aqueous composition comprising:
A corrosion-inhibiting coating composition comprising:
An aqueous composition comprising:
Dependencies are inferred from the claim text.