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

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.