DIFF Subgroup
B22F 1/0655 Hollow particles
Introduced: January 2022
Full Title
Full titles differ between systems:
IPC:
Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties > Metallic powder characterised by the shape of the particles > Spherical particles > Hollow particles
CPC:
Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties > Metallic powder characterised by the shape of the particles (nanosized particles B22F1/054) > Spherical particles > Hollow particles
No child classifications to compare. This is a leaf node in both IPC and CPC.