US PATENT SUBCLASS 428 / 472.2
.~.~.~ Aluminum or iron salt or oxide formed in situ

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

411.1  DF  COMPOSITE (NONSTRUCTURAL LAMINATE) {25}
457  DF  .~ Of metal {8}
469  DF  .~.~ Next to metal salt or oxide {5}
472.2.~.~.~ Aluminum or iron salt or oxide formed in situ

DEFINITION

Classification: 428/472.2

Aluminum or iron salt or oxide formed in situ:

(under subclass 469) Product in which the contiguous layer comprises an aluminum or iron solt or oxide formed in situ by reaction with the metal of the metal layer.

(1) Note. The salt or oxide maybe formed by a reactive coating process classified in Class 148, Metal Treatment, subclasses 6+.