US PATENT SUBCLASS 101 / 461
.~.~.~ Surface contains protein or derivative

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

Internet Version by PATENTEC © 1999      Terms of Use


101 /   HD   PRINTING

130  DF  PLANOGRAPHIC {8}
453  DF  .~ Lithographic printing plates {2}
460  DF  .~.~ Including paper or cellulosic support having printing or non-printing surface {2}
461.~.~.~ Surface contains protein or derivative

DEFINITION

Classification: 101/461

(under subclass 460) Articles in which the ink-repellent or ink-receptive layer or impregnation includes a complex nitrogenous substance composed mainly of an a-amino-acid residue joined by peptide linkages, or compounds or compositions hydrolized thereto.