US PATENT SUBCLASS 564 / 460
.~.~.~.~ Bicyclo 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}
457  DF  .~.~ Plural alicyclic rings {1}
458  DF  .~.~.~ Polycyclo ring system {2}
460.~.~.~.~ Bicyclo ring system

DEFINITION

Classification: 564/460

(under subclass 458) Compounds wherein the polycyclo ring system is bicyclo.

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