US PATENT SUBCLASS 502 / 509
.~ Nitrogen containing organic compound

Current as of: June, 1999
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502 /   HD   CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING

506  DF  METHOD OF MAKING INORGANIC COMPOSITION UTILIZING ORGANIC COMPOUND (EXCEPT FORMIC, ACETIC, OR OXALIC ACID OR SALT THEREOF) {5}
509.~ Nitrogen containing organic compound {2}
510  DF  .~.~> Also containing hydroxyl bonded to carbon, e.g., carboxylic acid, etc.
511  DF  .~.~> Two or more nitrogen atoms bonded to different carbon atoms

DEFINITION

Classification: 502/509

Nitrogen containing organic compound:

(under subclass 506) Process in which the organic material includes element number 7.

SEE OR SEARCH THIS CLASS, SUBCLASS:

159, for a process using a resin, natural, or synthetic, polysaccharide or polypeptide.

507, for a process using a polypeptide or a resin that may include nitrogen.