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Andrew F. Rutkiewic

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  • West Chester, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coating composition of polyester oligomer and acrylic binder
    • Patent number 4,681,815
    • Issue date Jul 21, 1987
    • E. I. Du Pont de Nemours and Company
    • Andrew F. Rutkiewic
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Aqueous water-in-oil cleaning emulsion
    • Patent number 4,446,044
    • Issue date May 1, 1984
    • E. I. Du Pont de Nemours and Company
    • Andrew F. Rutkiewic
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...