US PATENT SUBCLASS 252 / 389.51
.~.~.~.~ Lead containing


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

Internet Version by PATENTEC © 1999      Terms of Use



252 /   HD   COMPOSITIONS

380  DF  PRESERVATIVE AGENTS {3}
387  DF  .~ Anti-corrosion {1}
388  DF  .~.~ Organic compound containing {6}
389.1  DF  .~.~.~ Component inorganic or organic comprising element other than C,H,O,N,S, and halogen {10}
389.51.~.~.~.~ Lead containing


DEFINITION

Classification: 252/389.51

Lead containing:

(under subclass 389.1) Compositions which include a compound containing an atom of the element lead.