US PATENT SUBCLASS 428 / 34.7
.~.~.~ Polymer or resin containing (i.e., natural or synthetic)

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

34.1  DF  HOLLOW OR CONTAINER TYPE ARTICLE (E.G., TUBE, VASE, ETC.) {7}
34.4  DF  .~ Glass, ceramic, or sintered, fused, fired, or calcined metal oxide or metal carbide containing (e.g., porcelain, brick, cement, etc.) {2}
34.6  DF  .~.~ Multilayer (continuous layer) {1}
34.7.~.~.~ Polymer or resin containing (i.e., natural or synthetic)

DEFINITION

Classification: 428/34.7

Polymer or resin containing (i.e., natural or synthetic):

(under subclass 34.6) Article* which contains any natural or synthetic polymer or resin.

(1) Note. A polymer or resin in this subclass requires a repeat unit of an organic moiety.

(2) Note. In addition to the well-known polymers or resins, also included are cellulose, cellulose derivatives and proteins.