US PATENT SUBCLASS 570 / 116
.~.~.~.~ Oxirane ring

Current as of: June, 1999
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570 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
101  DF  .~ HALOGEN CONTAINING {21}
102  DF  .~.~ With preservative or stabilizer {10}
114  DF  .~.~.~ Oxygen containing hetero ring in preservative or stabilizer {2}
116.~.~.~.~ Oxirane ring

DEFINITION

Classification: 570/116

Oxirane ring:

(under subclass 114) Composition wherein the ring contained in the preservative or stabilizer contains only three atoms, two of which are carbon and one of which is oxygen.