US PATENT SUBCLASS 556 / 404
.~.~ Phosphorus attached directly or indirectly to silicon by nonionic bonding

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}
400  DF  .~ SILICON CONTAINING {19}
404.~.~ Phosphorus attached directly or indirectly to silicon by nonionic bonding {1}
405  DF  .~.~.~> Chalcogen bonded directly to silicon

DEFINITION

Classification: 556/404

(under subclass 400) Compounds in which phosphorous is attached directly or indirectly to silicon by nonionic bonding.

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