US PATENT SUBCLASS 507 / 118
.~.~.~ Resin is polymer derived from ethylenic monomers only (e.g., maleic, itaconic, etc.)

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

Internet Version by PATENTEC © 1999      Terms of Use


507 /   HD   EARTH BORING, WELL TREATING, AND OIL FIELD CHEMISTRY

100  DF  EARTH BORING {4}
103  DF  .~ Contains organic component {14}
117  DF  .~.~ Organic component is solid synthetic resin {1}
118.~.~.~ Resin is polymer derived from ethylenic monomers only (e.g., maleic, itaconic, etc.) {5}
119  DF  .~.~.~.~> Polymer derived from acrylic acid monomer or derivative {1}
122  DF  .~.~.~.~> Sulfur is attached directly or indirectly to the ethylenic monomer by nonionic bonding
123  DF  .~.~.~.~> Hetero nitrogen ring is attached directly or indirectly to the ethylenic monomer by nonionic bonding
124  DF  .~.~.~.~> Polymer contains vinyl alcohol unit
125  DF  .~.~.~.~> Carbocyclic ring is attached directly or indirectly to the ethylenic monomer by nonionic bonding (e.g., styrene, vinyl toluene, etc.)

DEFINITION

Classification: 507/118

Resin is polymer derived from ethylenic monomers only (e.g., maleic, itaconic, etc.):

(under subclass 117) Composition containing a resin which is a polymer derived from ethylenically unsaturated monomers only.

(1) Note. Crosslinking an ethylenic polymer with a nonethylenic crosslinking agent will not take the polymer out of this subclass.

(2) Note. The ethylenically unsaturated monomer requires the presence of two aliphatic carbon atoms bonded together by a double or triple bond. See Class 526, subclass 72, for a detailed discussion of polymers from only ethylenic monomers.