US PATENT SUBCLASS 44 / 361
.~.~.~ Five-membered, unsaturated carbocycle bonded directly to the heavy metal or aluminum (e.g., ferrocene, etc.)

Current as of: June, 1999
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44 /   HD   FUEL AND RELATED COMPOSITIONS

300  DF  LIQUID FUELS (EXCLUDING FUELS THAT ARE EXCLUSIVELY MIXTURES OF LIQUID HYDROCARBONS) {31}
354  DF  .~ Aluminum or heavy metal, other than lead, containing {3}
358  DF  .~.~ Organic compound containing the heavy metal or aluminum {8}
361.~.~.~ Five-membered, unsaturated carbocycle bonded directly to the heavy metal or aluminum (e.g., ferrocene, etc.)

DEFINITION

Classification: 44/361

Five-membered, unsaturated carbocycle bonded directly to the heavy metal or aluminum (e.g., ferrocene, etc.):

(under subclass 358) Compositions wherein heavy metal or aluminum is bonded directly to a five-membered unsaturated carbocycle.

(1) Note. An example of an ingredient provided for herein is cyclopentadienyl nickel nitrosyl.