US PATENT SUBCLASS 148 / 283
.~.~ Contains an atom of halogen, organic material or gaseous sulfur

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}
283.~.~ Contains an atom of halogen, organic material or gaseous sulfur

DEFINITION

Classification: 148/283

Contains an atom of halogen, organic material or gaseous sulfur:

(under subclass 240) Subject matter wherein the material which reacts with the metal surface contains at least one halogen atom (F, Cl, Br, I, At) or is an organic material, or is gaseous sulfur.

(1) Note. See Class 260, Chemistry of Carbon Compounds for a definition of the term "organic".