US PATENT SUBCLASS 148 / 273
.~.~.~ Contains an atom of arsenic or metal atom other than alkali metal

Current as of: June, 1999
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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}
273.~.~.~ Contains an atom of arsenic or metal atom other than alkali metal

DEFINITION

Classification: 148/273

Contains an atom of arsenic or metal atom other than alkali metal:

(under subclass 243) Subject matter wherein a reactive liquid composition containing an atom of arsenic or a metal atom other than an alkali metal is applied to a metal substrate and reacts therewith.

(1) Note. The arsenic or metal atom other than alkali metal required for this subclass may or may not be reactive with the metal substrate.

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