US PATENT SUBCLASS 106 / 602
.~.~.~ Perlite, slag, ash or ceramic material

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

Internet Version by PATENTEC © 1999      Terms of Use


106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
600  DF  .~ Alkali metal silicate containing {23}
601  DF  .~.~ Pore forming or product thereof {3}
602.~.~.~ Perlite, slag, ash or ceramic material

DEFINITION

Classification: 106/602

Perlite, slag, ash or ceramic material:

(under subclass 601) Subject matter employing perlite, slag, ash or ceramic material.