US PATENT SUBCLASS 556 / *
ORGANIC COMPOUNDS (Class 532, Subclass 1)

Current as of: June, 1999
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556 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*ORGANIC COMPOUNDS (Class 532, Subclass 1) {3}
1  DF  .~> HEAVY METAL CONTAINING (e.g., Ga, In or T1, etc.) {19}
170  DF  .~> ALUMINUM CONTAINING {11}
400  DF  .~> SILICON CONTAINING {19}