US PATENT SUBCLASS 502 / 159
.~.~ Resin, natural or synthetic, polysaccharide or polypeptide

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

100  DF  CATALYST OR PRECURSOR THEREFOR {12}
150  DF  .~ Organic compound containing {13}
159.~.~ Resin, natural or synthetic, polysaccharide or polypeptide

DEFINITION

Classification: 502/159

Resin, natural or synthetic, polysaccharide or polypeptide:

(under subclass 150) Composition containing macromolecules of recurring units of carbohydrates, -amino acids, condensed interactive molecules or unsaturated addition polymers or solid or semi-solid viscous secretions of plants.