| | CLASS NOTES |
| 200 | DF | NATURAL RESINS OR DERIVATIVES (E.G., WOOD OR PINE TAR; CATIVO RESIN DERIVATIVES, ETC.) {6} |
| 300 | DF | PEPTIDES OF 3 TO 100 AMINO ACID RESIDUES {29} |
| 350 | DF | PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES {14} |
| 500 | DF | LIGNINS OR DERIVATIVES {7} |
| | ****************************** |
| | CROSS-REFERENCE ART COLLECTIONS |
| | ****************************** |
| 800 | DF | ANTIHYPERTENSIVE PEPTIDES |
| 801 | DF | PEPTIDE SWEETNERS |
| 802 | DF | CHROMOGENIC OR LUMINESCENT PEPTIDES |
| 806 | DF | ANTIGENIC PEPTIDES OR PROTEINS |
| 807 | DF | HAPTEN CONJUGATED WITH PEPTIDE OR PROTEIN |
| 808 | DF | MATERIALS AND PRODUCTS RELATED TO GENETIC ENGINEERING OR HYBRID OR FUSED CELL TECHNOLOGY, E.G., HYBRIDOMA, MONOCLONAL PRODUCTS, ETC. {1} |
| 810 | DF | CARRIER - BOUND OR IMMOBILIZED PEPTIDES OR PROTEINS AND THE PREPARATION THEREOF, E.G., BIOLOGICAL CELL OR CELL FRAGMENT AS CARRIER, ETC. {2} |
| 820 | DF | PROTEINS FROM MICRO-ORGANISMS {5} |
| 827 | DF | PROTEINS FROM MAMMALS OR BIRDS {17} |
| 855 | DF | PROTEINS FROM ANIMALS OTHER THAN MAMMALS OR BIRDS {3} |
| 859 | DF | WASTE, WASTE MATERIAL, REFUSE OR SLUDGE, E.G., EFFLUENTS, FECAL MATTER, ETC. |
| 860 | DF | RENIN INHIBITORS |
| 861 | DF | INVOLVING IgG3, IgG4, IgA, or IgY |
| 862 | DF | INVOLVING IgE or IgD |
| 863 | DF | INVOLVING IgM {1} |
| 866 | DF | INVOLVING IMMUNOGLOBULIN OR ANTIBODY FRAGMENT, (e.g., F(ab)'2, Fab', Fab, Fv, Fc, heavy chain, light chain, etc.) |
| 867 | DF | INVOLVING IMMUNOGLOBULIN OR ANTIBODY PRODUCED VIA RECOMBINANT DNA TECHNOLOGY |
| 868 | DF | INVOLVING AUTOIMMUNITY, ALLERGY, IMMEDIATE HYPERSENSITIVITY, DELAYED HYPERSENSITIVITY, IMMUNOSUPPRESSION, OR IMMUNOTOLERANCE |
