US PATENT SUBCLASS 164 / 473
.~.~.~ Incorporating additional material or chemically reactive agent

Current as of: June, 1999
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164 /   HD   METAL FOUNDING

1  DF  PROCESS {6}
47  DF  .~ Shaping liquid metal against a forming surface {26}
459  DF  .~.~ Continuous or semicontinuous casting {20}
473.~.~.~ Incorporating additional material or chemically reactive agent

DEFINITION

Classification: 164/473

Incorporating additional material or chemically reactive agent:

(under subclass 459) Process wherein a material is directly added to the molten metal to either be alloyed therewith, cause chemical reaction therewith, or to produce a slag.

(1) Note. The added material may include principle alloying constituent, densifiers, fluidizers, graphitizers, scavengers, grain-size controllers, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

55.1+, for casting processes incorporating an addition or chemically reactive metal to metal casting material.

SEE OR SEARCH CLASS

75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures, appropriate subclasses for processes for producing metals.

423, Chemistry of Inorganic Compounds,

1+, for processes of chemically treating mixtures to obtain metal-containing compound.