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CPC Subgroup Additional Only
G01N 2446/80

characterised by the agent used to coat the magnetic particles, e.g. lipids

Full Title

Magnetic particle immunoreagent carriers > characterised by the agent used to coat the magnetic particles, e.g. lipids

Filing statistics

CPC G01N 2446/80 belongs to the parent subclass G01N, which recorded 1,076,242 patent applications worldwide between 2013 and 2023. Annual filings grew from 58,557 in 2013 to 108,067 in 2023 (+85%), peaking at 123,338 applications in 2020. The most active applicants in class G01 are CHINESE ACADEMY OF SCIENCES (21,460 applications), ROBERT BOSCH (17,801 applications) and SGCC(STATE GRID CORPORATION OF CHINA) (17,347 applications).

Source: EPO PATSTAT, worldwide filings

3 direct subcodes

Child Classifications

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  • G01N 2446/84 Polymer coating, e.g. gelatin
  • G01N 2446/86 the coating being pre-functionalised for attaching immunoreagents, e.g. aminodextran
  • G01N 2446/90 characterised by small molecule linker used to couple immunoreagents to magnetic particles

Top Applicants

Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 21,460
  2. ROBERT BOSCH DE 17,801
  3. SGCC(STATE GRID CORPORATION OF CHINA) 17,347
  4. SAMSUNG ELECTRONICS COMPANY KR 13,192
  5. QUALCOMM US 9,900
  6. HALLIBURTON ENERGY SERVICES GROUP US 9,742
  7. PHILIPS ELECTRONICS NL 7,249
  8. MITSUBISHI ELECTRIC CORPORATION JP 6,503
  9. ZHEJIANG UNIVERSITY 6,414
  10. DENSO CORPORATION JP 6,382