US PATENT SUBCLASS 164 / 55.1
.~.~ Incorporating addition or chemically reactive agent to metal casting material

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}
55.1.~.~ Incorporating addition or chemically reactive agent to metal casting material {2}
56.1  DF  .~.~.~> To scavenge
57.1  DF  .~.~.~> Adding metal-containing material {1}

DEFINITION

Classification: 164/55.1

Incorporating addition or chemically reactive agent to metal casting material:

(under subclass 47) Process wherein a material is directly added to a melt system to (a) either become incorporated therein physically, e.g., alloying, or (b) cause a chemical reaction to affect the metallic system.

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

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 compounds.