US PATENT SUBCLASS 562 / 811
.~.~ Additional phosphorus attached directly or indirectly to the phosphorus by nonionic bonding

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

Internet Version by PATENTEC © 1999      Terms of Use


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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
808  DF  .~ Phosphorus halides (i.e., compounds having halogen attached directly to phosphorus by nonionic bonding) {6}
811.~.~ Additional phosphorus attached directly or indirectly to the phosphorus by nonionic bonding

DEFINITION

Classification: 562/811

(under subclass 808) Compounds containing plural phosphorus atoms attached directly or indirectly to each other by

nonionic bonding.

(1) Note. An example of a compound provided for herein is: [figure]