US PATENT SUBCLASS 148 / 243
.~.~ Liquid reactive coating composition utilized

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.~.~ Liquid reactive coating composition utilized {16}
244  DF  .~.~.~> Dye or organic pigment containing
245  DF  .~.~.~> Electrically insulating coating formed which is more than mere oxide formation
246  DF  .~.~.~> Contains lubricant or oil or overcoat thereof
247  DF  .~.~.~> Contains an atom of hafnium, titanium or zirconium (excludes activating composition)
248  DF  .~.~.~> Contains nonreactive organic liquid at ambient temperature (e.g., solvent, etc.) {1}
250  DF  .~.~.~> Contains organic phosphorus or organic chromium compound
251  DF  .~.~.~> Contains solid synthetic polymer
252  DF  .~.~.~> Contains dicarboxylic acid or salt thereof which reacts with metal substrate
253  DF  .~.~.~> Contains phosphorus {6}
264  DF  .~.~.~> Contains an atom of chromium {4}
269  DF  .~.~.~> Metal substrate contains elemental Ti, Zr, Hf, Cu, Ta, or Th or alloy thereof
270  DF  .~.~.~> Contains an atom of sulfur, selenium or tellurium {1}
272  DF  .~.~.~> Coating or treating a metal oxide with a specified composition
273  DF  .~.~.~> Contains an atom of arsenic or metal atom other than alkali metal
274  DF  .~.~.~> Contains organic material
275  DF  .~.~.~> Metal substrate contains elemental aluminum or magnesium or alloy thereof

DEFINITION

Classification: 148/243

Liquid reactive coating composition utilized:

(under subclass 240) Subject matter wherein a material which is in liquid form contacts a metal substrate and reacts at the surface therewith to form a layer on the substrate which is distinct from the substrate.

(1) Note. The material need not be liquid at ambient conditions, it must, however, be liquid under the conditions of use, e.g., molten, etc.

(2) Note. A liquid for purposes of the subclass can contain solid materials, e.g., suspensions, slurries, dispersions, etc. The material must, however, have a continuous phase that allows it to flow readily and assume the form of its container.

(3) Note. A solid reactant material which is to be dissolved in a liquid dispersant is proper for this subclass, additionally, a concentrate of a material which is to be applied to a metal substrate upon further dilution or which must be dissolved in a liquid for application is proper herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

242, wherein a reactive solid material in molten form is applied to a substrate.