CPC Subgroup Additional Only
B01J 2219/00351 Means for dispensing and evacuation of reagents
Full Title
Chemical, physical or physico-chemical processes in general; Their relevant apparatus > Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology > Apparatus > Means for dispensing and evacuation of reagents
17 direct subcodes
Child Classifications
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- B01J 2219/00353 Pumps
- B01J 2219/0036 Nozzles
- B01J 2219/00364 Pipettes
- B01J 2219/00373 Hollow needles
- B01J 2219/00378 Piezoelectric or ink jet dispensers
- B01J 2219/0038 Drawing
- B01J 2219/00382 Stamping
- B01J 2219/00385 Printing
- B01J 2219/00387 Applications using probes
- B01J 2219/00389 Feeding through valves
- B01J 2219/00414 using suction
- B01J 2219/00418 using pressure
- B01J 2219/00421 using centrifugation
- B01J 2219/00423 using filtration, e.g. through porous frits
- B01J 2219/00425 using decantation
- B01J 2219/00427 using masks
- B01J 2219/00436 Maskless processes
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