US PATENT SUBCLASS 549 / 410
.~.~.~.~.~.~.~.~ Chalcogen of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens, bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherol esters, etc.)

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

Internet Version by PATENTEC © 1999      Terms of Use


549 /   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) {2}
200  DF  .~.~ Oxygen containing hetero ring (e.g., dioxirane, etc.) {16}
356  DF  .~.~.~ The hetero ring is six-membered {9}
381  DF  .~.~.~.~ Polycyclo ring system having the hetero ring as one of the cyclos {4}
396  DF  .~.~.~.~.~ Bicyclo ring system having the hetero ring as one of the cyclos {2}
398  DF  .~.~.~.~.~.~ The bicyclo ring system consists of the hetero ring and a six-membered carbocyclic ring {6}
408  DF  .~.~.~.~.~.~.~ Chalcogen bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherols, etc.) {5}
410.~.~.~.~.~.~.~.~ Chalcogen of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens, bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherol esters, etc.)

DEFINITION

Classification: 549/410

(under subclass 408) Compound wherein the singly bonded chalogen of a --X-group, in which the X's are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium or tellurium), is bonded directly to the carbocyclic ring of the bicyclo ring system.

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