including use of a solid sorbent, semipermeable membrane, or liquid extraction

Full Title

Chemistry: analytical and immunological testing > including sample preparation > Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.] > including use of a solid sorbent, semipermeable membrane, or liquid extraction

This code exists only in CPC.

Diff view requires codes present in both systems.

View in CPC →

Top Applicants

Top Applicants (CPC)

Class Y10,2013–2023, worldwide · Source: EPO PATSTAT

BOEING COMPANY US 2,373
FORD GLOBAL TECHNOLOGIES US 2,244
HYUNDAI MOTOR COMPANY KR 2,186
TOYOTA MOTOR CORPORATION JP 1,997
3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,837
GE (GENERAL ELECTRIC COMPANY) US 1,794
SAMSUNG ELECTRONICS COMPANY KR 1,705
CORNING US 1,569
TOYOTA MOTOR CORPORATION 1,403
LG CHEM KR 1,364