US PATENT SUBCLASS 514 / 315
.~.~.~ Piperidines

Current as of: June, 1999
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514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

1  DF  DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29}
183  DF  .~ Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., O,S,Se or Te) or nitrogen as the only ring hetero atoms DOAI {16}
277  DF  .~.~ Hetero ring is six-membered consisting of one nitrogen and five carbon atoms {11}
315.~.~.~ Piperidines {2}
316  DF  .~.~.~.~> Plural piperidine rings
317  DF  .~.~.~.~> Additional ring containing {7}

DEFINITION

Classification: 514/315

Piperidines:

(under subclass 277) Subject matter wherein the six-membered hetero ring, consisting of one nitrogen and five carbons,

contains no double bonds between ring members, i.e., the piperidine ring.