Y GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10 TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00 Stock material or miscellaneous articles
Y10T428/25 Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
Y10T428/256 Heavy metal or aluminum or compound thereof