US PATENT SUBCLASS 148 / 247
.~.~.~ Contains an atom of hafnium, titanium or zirconium (excludes activating composition)

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}
247.~.~.~ Contains an atom of hafnium, titanium or zirconium (excludes activating composition)

DEFINITION

Classification: 148/247

Contains an atom of hafnium, titanium or zirconium (excludes

activating composition):

(under subclass 243) Subject matter wherein the reactive liquid coating composition contains at least one atom of hafnium, titanium or zirconium in either elemental or compound form and wherein said materials are not activators.

(1) Note. The hafnium, titanium or zirconium materials need not be reactive with the substrate to be proper for placement in this subclass.