US PATENT SUBCLASS 570 / 114
.~.~.~ Oxygen containing hetero ring in preservative or stabilizer

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.~.~.~ Oxygen containing hetero ring in preservative or stabilizer {2}
115  DF  .~.~.~.~> Hetero ring containing plural ring oxygens
116  DF  .~.~.~.~> Oxirane ring

DEFINITION

Classification: 570/114

Oxygen containing hetero ring in preservative or stabilizer:

(under subclass 102) Composition wherein the preservative or stabilizer contains a ring having three or more members and containing at least one atom each of carbon and oxygen and optionally sulfur, selenuim, or tellurium as the only other ring members.