US PATENT SUBCLASS 428 / 476.6
.~.~.~ Natural source-type polyamide


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

411.1  DF  COMPOSITE (NONSTRUCTURAL LAMINATE) {25}
474.4  DF  .~ Of polyamide {8}
476.3  DF  .~.~ Next to addition polymer from unsaturated monomer(s) {2}
476.6.~.~.~ Natural source-type polyamide


DEFINITION

Classification: 428/476.6

Natural source-type polyamide:

(under subclass 476.3) Products where the polyamide is or is similar in structure to a polyamide from a natural source, e.g., gelatin, etc.

(1) Note. See the definition of subclass 478.2 for a description of the structure of polyamides from natural sources.

SEE OR SEARCH THIS CLASS, SUBCLASS:

478.2, for natural source-type polyamides next to other than addition polymers.