.~ Powder pretreatment (prior to consolidation or sintering) {6}
35
.~.~ Coating
DEFINITION
Classification: 419/35
Coating:
(under subclass 30) Processes in which at least some particles of powder or particulate material become covered by a layer of some other material, other than a fugitive material.
SEE OR SEARCH CLASS
148, Metal Treatment, particularly
514, for processes of pre-treatment or post-treatment of a previously sintered or compacted consolidated powder metal starting material to modify or maintain the internal physical structure (i.e., microstructure) or chemical properties of metal combined with a coating operation and wherein there is
no actual sintering or compacting operation present.
205, Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions,
80+, for electrolytic coating processes not claimed in combination with a specific sintering operation.
427, Coating Processes, 212+, for processes of coating, flakes, particles, or granules, per se, especially subclass 216 when the base is metal.
