US PATENT SUBCLASS 148 / 286
.~.~.~ Oxide of cobalt, chromium or nickel formed

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

Internet Version by PATENTEC © 1999      Terms of Use


148 /   HD   METAL TREATMENT

95  DF  PROCESS OF MODIFYING OR MAINTAINING INTERNAL PHYSICAL STRUCTURE (I.E., MICROSTRUCTURE) OR CHEMICAL PROPERTIES OF METAL, PROCESS OF REACTIVE COATING OF METAL AND PROCESS OF CHEMICAL-HEAT REMOVING (E.G., FLAME-CUTTING, ETC.) OR BURNING OF METAL {17}
240  DF  .~ Processes of coating utilizing a reactive composition which reacts with metal substrate or composition therefore {12}
284  DF  .~.~ Coating composition applied forms oxide coating {3}
286.~.~.~ Oxide of cobalt, chromium or nickel formed

DEFINITION

Classification: 148/286

Oxide of cobalt, chromium or nickel formed:

(under subclass 284) Subject matter wherein an oxide layer of chromium, cobalt, or nickel is formed on a chromium, cobalt or nickel containing substrate.

(1) Note. This subclass provides for oxide formation, regardless of the degree of oxide formation, or the amount of chromium, cobalt, or nickel in the metal containing substrate.