CPC Subgroup Additional Only
B01D 2259/80 Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
Full Title
Type of treatment > Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
9 direct subcodes
Child Classifications
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- B01D 2259/802 Visible light
- B01D 2259/804 UV light
- B01D 2259/806 Microwaves
- B01D 2259/808 Laser
- B01D 2259/81 X-rays
- B01D 2259/812 Electrons
- B01D 2259/814 Magnetic fields
- B01D 2259/816 Sonic or ultrasonic vibration
- B01D 2259/818 Employing electrical discharges or the generation of a plasma
Top Applicants
Top 10 applicants by patent filingsfor class B01, 2013–2023, worldwide · Source: EPO PATSTAT
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 10,345
- CHINESE ACADEMY OF SCIENCES 8,352
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,134
- LG CHEM KR 4,290
- SAUDI ARABIAN OIL COMPANY SA 3,444
- IFPEN (IFP ENERGIES NOUVELLES) FR 3,417
- DOW GLOBAL TECHNOLOGIES US 3,195
- MANN + HUMMEL DE 2,822
- JOHNSON MATTHEY GB 2,802
- UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 2,737