US PATENT SUBCLASS 44 / 423
.~.~ Chalcogen or phosphorus attached directly to the nitrogen by nonionic bonding

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}
412  DF  .~ Organic nitrogen compound containing {12}
423.~.~ Chalcogen or phosphorus attached directly to the nitrogen by nonionic bonding

DEFINITION

Classification: 44/423

Chalcogen or phosphorus attached directly to the nitrogen by nonionic bonding:

(under subclass 412) Compositions wherein the nitrogen is attached directly to phosphorus or to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) by nonionic bonding.

(1) Note. Examples of ingredients provided for herein are: [figure]