US PATENT SUBCLASS 44 / 397
.~.~.~.~ Polymer or copolymer of nonhydrocarbon olefinically unsaturated monomers polymerized through an olefinic double bond (e.g., trimer esters, 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}
385  DF  .~ Containing organic -C(=O)O- compound (e.g., fatty acids, etc.) {8}
388  DF  .~.~ The single bonded oxygen is bonded directly to an additional carbon, which carbon may be single bonded to any element but may be multiple bonded only to carbon (i.e., carboxylic acid esters) {4}
389  DF  .~.~.~ Plural -C(=O)O- groups attached to each other directly or indirectly by nonionic bonding (e.g., polyesters, half ester-half acid compounds, etc.) {5}
397.~.~.~.~ Polymer or copolymer of nonhydrocarbon olefinically unsaturated monomers polymerized through an olefinic double bond (e.g., trimer esters, etc.)

DEFINITION

Classification: 44/397

Polymer or copolymer or nonhydrocarbon olefinically unsaturated monomers polymerized through an olefinic double bond (e.g., trimer esters, etc.):

(under subclass 389) Compositions wherein the compound having plural -C(=O)O- groups is a polymer or a copolymer of nonhydrocarbon olefinically unsaturated monomer(s) polymerized through an olefinic double bond.

(1) Note. Examples of ingredients provided for herein are: the homopolymer of lauryl methacrylate, and the esterified copolymer of vinyl methyl ether and maleic anhydride.