US PATENT SUBCLASS 568 / 557
.~.~ Oxonium (e.g., beryllium hydride etherate, etc.)


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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {4}
300  DF  .~ OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) {11}
557.~.~ Oxonium (e.g., beryllium hydride etherate, etc.)


DEFINITION

Classification: 568/557

Oxonium (e.g., beryllium hydride etherate, etc.):

(under subclass 300) Compounds which are addition or double compounds of an organic oxide, i.e., an ether, and an inorganic acid or salt thereof.

(1) Note. This subclass contains, for example, the HCL addition compound of dimethyl ether.