US PATENT SUBCLASS 514 / 271
.~.~.~.~.~.~ Two or more barbituric acid compounds or with an additional active ingredient or stabilizer

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}
247  DF  .~.~ Hetero ring is six-membered consisting of two nitrogens and four carbon atoms (e.g., pyridazines, etc.) {4}
256  DF  .~.~.~ 1,3-diazines (e.g., pyrimidines, etc.) {4}
269  DF  .~.~.~.~ Pyrimidines with chalcogen bonded directly to a ring carbon of said pyrimidine moiety {3}
270  DF  .~.~.~.~.~ Barbituric acid or derivative (including thioanalogs) {1}
271.~.~.~.~.~.~ Two or more barbituric acid compounds or with an additional active ingredient or stabilizer

DEFINITION

Classification: 514/271

Two or more barbituric acid compounds or with an additional active ingredient or stabilizer:

(under subclass 270) Subject matter which contains two or more compounds each having the moiety, as shown below, or one compound having said moiety and an additional organic active ingredient or stabilizing agent. [figure]

(1) Note. Included herein is the combination of barbituric acid and a salt thereof and complexes of two or more active ingredients, or active ingredient complexed with stabilizing agent.

(2) Note. Potentiating and synergistic agents are considered active ingredients.

(3) Note. See section II, Glossary, for the definition of a stabilizing agent.