US PATENT SUBCLASS 106 / 14.16
.~.~.~.~ Heterocyclic nitrogen-containing material

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
14.05  DF  .~ Corrosion inhibiting coating composition {6}
14.11  DF  .~.~ Contains water {4}
14.15  DF  .~.~.~ Organic nitrogen-containing material, e.g., amine, amide, etc. {2}
14.16.~.~.~.~ Heterocyclic nitrogen-containing material {1}
14.17  DF  .~.~.~.~.~> Inorganic material other than water

DEFINITION

Classification: 106/14.16

Heterocyclic nitrogen-containing material:

(under subclass 14.15) Subject matter wherein the organic nitrogen-containing material contains at least one nitrogen atom in a hetero ring compound, e.g., pyridine or pyrrolidone-type compound, etc.