| 502 / | HD | CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING |
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| 506 |  | METHOD OF MAKING INORGANIC COMPOSITION UTILIZING ORGANIC COMPOUND (EXCEPT FORMIC, ACETIC, OR OXALIC ACID OR SALT THEREOF) {5} |
| 507 | DF | .~> Synthetic resin, natural resin, polysaccaride, or polypeptide |
| 508 | DF | .~> Sulfur containing organic compound |
| 509 | DF | .~> Nitrogen containing organic compound {2} |
| 512 | DF | .~> Carboxylic acid or salt thereof other than formic, acetic, or oxalic acid |
| 513 | DF | .~> Alcohol, phenol, or ether or metallate thereof |