Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Reexamination Certificate
2005-08-02
2005-08-02
Koehler, Robert R. (Department: 1775)
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
C428S680000, C428S686000, C148S408000, C148S409000, C148S410000, C148S425000, C148S426000, C148S428000, C420S436000, C420S437000, C420S443000, C420S445000
Reexamination Certificate
active
06924046
ABSTRACT:
A protective layer has the composition 0.5 to 2% of rhenium, 15 to 21% of chromium, 9 to 11.5% of aluminum, 0.05 to 0.7% of yttrium and/or at least one equivalent metal from the group consisting of scandium and the rare earths, 0 to 1% of ruthenium, remainder cobalt and/or nickel and production-related impurities, and is scarcely subject to any embrittlement from Cr/Re precipitations.
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Greenberg Laurence A.
Koehler Robert R.
Mayback Gregory L.
Siemens Aktiengesellschaft
Stemer Werner H.
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