US PATENT SUBCLASS 148 / 268
.~.~.~.~ Contains an atom or boron, silicon or metal atom other than alkali metal

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}
243  DF  .~.~ Liquid reactive coating composition utilized {16}
264  DF  .~.~.~ Contains an atom of chromium {4}
268.~.~.~.~ Contains an atom or boron, silicon or metal atom other than alkali metal

DEFINITION

Classification: 148/268

Contains an atom of boron, silicon or metal atom other than alkali metal:

(under subclass 264) Subject matter wherein the liquid reactive coating composition contains at least one atom of chromium and at least one atom of boron, silicon or of a metal atom other than an alkali metal atom.

(1) Note. Excluded herefrom as being alkali metals are Li, Na, K, Ru, Cs and Fr.