US PATENT SUBCLASS 501 / 82
.~.~.~ Of resin or vegetable origin material

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

Internet Version by PATENTEC © 1999      Terms of Use


501 /   HD   COMPOSITIONS: CERAMIC

1  DF  CERAMIC COMPOSITIONS {15}
80  DF  .~ Pore-forming {3}
81  DF  .~.~ By use of organic combustible material {1}
82.~.~.~ Of resin or vegetable origin material {1}
83  DF  .~.~.~.~> Of cellulosic material

DEFINITION

Classification: 501/82

Of resin or vegetable origin material:

(under subclass 81) Subject matter in which the organic combustible material is either a natural or synthetic resin or is a material of vegetable origin.

(1) Note. The combustible material may be, e.g., shellac, a polystyrene resin, coal, an alginate, etc.