Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1996-10-16
1999-01-12
Gulakowski, Randy
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523406, 523435, 523442, 523451, 523456, 523458, 523460, C08K 320, C08L 6300
Patent
active
058590951
ABSTRACT:
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.
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Anderson Karl P.
Moyle Richard T.
Paczesny James
Pisapia John
Whitherup Lori E.
Didrick Robert M.
Gulakowski Randy
Morton International Inc.
White Gerald K.
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