US PATENT SUBCLASS 44 / 440
.~.~ Plural benzene rings bonded directly to each other or to the same acyclic carbon

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}
436  DF  .~ Organic oxygen compound containing (e.g., alicyclic alcohols, hypochlorites, etc.) {9}
440.~.~ Plural benzene rings bonded directly to each other or to the same acyclic carbon

DEFINITION

Classification: 44/440

Plural benzene rings bonded directly to each other or to the same acyclic carbon:

(under subclass 436) Compositions wherein an acyclic carbon is bonded to plural benzene rings, or plural benzene rings are bonded directly to each other.

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