US PATENT SUBCLASS 564 / 308
.~.~.~.~ Polycyclo ring system

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


564 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1  DF  .~ AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) {37}
305  DF  .~.~ Benzene ring containing {24}
307  DF  .~.~.~ Amino nitrogen and a ring bonded directly to the same ring, and any other amino nitrogen in the compound is bonded directly to one of the rings {2}
308.~.~.~.~ Polycyclo ring system

DEFINITION

Classification: 564/308

(under subclass 307) Compounds which contain a polycyclo ring system.

(1) Note. This subclass contains, for example: [figure] [figure]