Metal treatment – Process of modifying or maintaining internal physical... – Processes of coating utilizing a reactive composition which...
Reexamination Certificate
2005-05-03
2005-05-03
King, Roy (Department: 1742)
Metal treatment
Process of modifying or maintaining internal physical...
Processes of coating utilizing a reactive composition which...
C148S265000, C148S267000, C148S275000, C148S276000, C427S343000
Reexamination Certificate
active
06887321
ABSTRACT:
A metal substrate is anodized in a phosphoric acid anodizing solution. The anodized metal substrate is thereafter contacted with a hexavalent chromium free, trivalent chromium containing acid solution to coat the anodized metal substrate. The coated anodized metal substrate can be adhesively bonded to another such treated metal substrate to form a composite article. The resulting article exhibits excellent bonding and corrosion properties.
REFERENCES:
patent: 4085012 (1978-04-01), Marceau et al.
patent: 4127451 (1978-11-01), Marceau et al.
patent: 5304257 (1994-04-01), Pearlstein et al.
patent: 5374347 (1994-12-01), Pearlstein et al.
Jaworowski Mark R.
Lomasney Gary M.
Parkos, Jr. Joseph J.
Putnam John W.
Bachman & LaPointe P.C.
King Roy
United Technologies Corporation
Zheng Lois
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