US PATENT SUBCLASS 44 / 314
.~ Boron containing

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}
314.~ Boron containing {4}
315  DF  .~.~> Phosphorus attached directly or indirectly to the boron
316  DF  .~.~> Three carbons or three fluorines bonded directly to the boron
317  DF  .~.~> Nitrogen attached directly or indirectly to the boron
318  DF  .~.~> Three identical or diverse chalcogens bonded directly to the boron {1}

DEFINITION

Classification: 44/314

Boron containing:

(under subclass 300) Compositions which contain elemental boron or a boron compound.

(1) Note. An example of an ingredient provided for herein is: [figure]