Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof
Patent class list (only not empty are listed)
Deeper subclasses:
Class / Patent application number | Description | Number of patent applications / Date published |
---|---|---|
530350000 | PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES | 3198 |
530300000 | PEPTIDES OF 3 TO 100 AMINO ACID RESIDUES | 1425 |
530500000 | LIGNINS OR DERIVATIVES | 116 |
530200000 | NATURAL RESINS OR DERIVATIVES (E.G., WOOD OR PINE TAR; CATIVO RESIN DERIVATIVES, ETC.) | 18 |