US PATENT SUBCLASS 428 / 628
.~.~.~ Component contains compound of adjacent metal

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

Internet Version by PATENTEC © 1999      Terms of Use


428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

544  DF  ALL METAL OR WITH ADJACENT METALS {31}
615  DF  .~ Composite; i.e., plural, adjacent, spatially distinct metal components (e.g., layers, joint, etc.) {15}
621  DF  .~.~ With additional, spatially distinct nonmetal component {7}
628.~.~.~ Component contains compound of adjacent metal {1}
629  DF  .~.~.~.~> Oxide

DEFINITION

Classification: 428/628

(under subclass 621) Subject matter in which the nonmetal component is a compound of a metal which is adjacent to the nonmetal component.

(1) Note. This subclass includes, but is not restricted to, so-called "conversion coatings".

SEE OR SEARCH CLASS

148, Metal Treatment,

240+, for processes of coating solid metal with a material that reacts therewith.

205, Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions,

171+, 199+, and 324+ for electrolytic methods of forming a conversion coating on solid metal, e.g., anodizing, and for the resulting products.