US PATENT SUBCLASS 544 / 84
.~.~.~.~.~.~ Phosphorus attached directly or indirectly to a morpholine ring 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



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

*  DD  ORGANIC COMPOUNDS (Class 532, subclass 1) {1}
*  DD  .~ HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM, OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 540, subclass 1) {1}
1  DF  .~.~ Hetero ring is six-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.) {6}
63  DF  .~.~.~ Six-membered hetero ring consists of oxygen, nitrogen and carbon (e.g., 1,2-oxazines, etc) {8}
72  DF  .~.~.~.~ Plural oxazine rings {2}
78  DF  .~.~.~.~.~ Plural morpholine rings (i.e., plural fully hydrogenated 1, 4-oxazine rings) {6}
84.~.~.~.~.~.~ Phosphorus attached directly or indirectly to a morpholine ring by nonionic bonding


DEFINITION

Classification: 544/84

(under subclass 78) Compounds wherein phosphorus is attached directly or indirectly to a morpholine ring by nonionic bonding.