US PATENT SUBCLASS 44 / 319
.~.~.~ Carbon, chalcogen, and boron in the same ring

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


44 /   HD   FUEL AND RELATED COMPOSITIONS

300  DF  LIQUID FUELS (EXCLUDING FUELS THAT ARE EXCLUSIVELY MIXTURES OF LIQUID HYDROCARBONS) {31}
314  DF  .~ Boron containing {4}
318  DF  .~.~ Three identical or diverse chalcogens bonded directly to the boron {1}
319.~.~.~ Carbon, chalcogen, and boron in the same ring

DEFINITION

Classification: 44/319

Carbon, chalcogen, and boron in the same ring:

(under subclass 318) Compositions wherein the boron, carbon, and chalcogen (i.e., oxygen, sulfur, selenium or tellurium) are members of the same ring.

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