US PATENT SUBCLASS 556 / 410
.~.~ Nitrogen attached directly 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}
410.~.~ Nitrogen attached directly to silicon by nonionic bonding {2}
411  DF  .~.~.~> Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen
412  DF  .~.~.~> Plural silicons bonded directly to the nitrogen


DEFINITION

Classification: 556/410

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

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