US PATENT SUBCLASS 556 / 179
.~.~.~ Chalcogen bonded directly to aluminum

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {3}
170  DF  .~ ALUMINUM CONTAINING {11}
178  DF  .~.~ Plural aluminums containing {2}
179.~.~.~ Chalcogen bonded directly to aluminum

DEFINITION

Classification: 556/179

(under subclass 178) Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to at least one of the aluminums.

(1) Note. Examples of compounds provided for herein are: [figure] [figure] [figure]