US PATENT SUBCLASS 427 / 323
.~.~ Natural protein containing base (e.g., silk, wool, leather, etc.)


Current as of: June, 1999
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427 /   HD   COATING PROCESSES

299  DF  WITH PRETREATMENT OF THE BASE {7}
322  DF  .~ Organic base {2}
323.~.~ Natural protein containing base (e.g., silk, wool, leather, etc.)


DEFINITION

Classification: 427/323

(under subclass 322) Processes wherein the base contains a natural protein.

(1) Note. Included herein, for example, are silk, wool, hide, leather, fur, hair, etc.