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IPC Subgroup
C01F 17/3

Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. LaSBr

Introduced: January 2020

Full Title

Compounds of rare earth metals > Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. LaSBr

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
INORGANIC CHEMISTRY
Subclass:
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE EARTH METALS

3 direct subcodes

Child Classifications

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  • C01F 17/36 halogen being the only anion, e.g. NaYF
  • C01F 17/38 sulfur being the only anion, e.g. CaLaS

Top Applicants

Top 10 applicants by patent filingsfor class C01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 5,794
  2. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 3,286
  3. LG CHEM KR 2,689
  4. BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,669
  5. CENTRAL SOUTH UNIVERSITY 1,531
  6. KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 1,252
  7. SUMITOMO METAL MINING COMPANY JP 1,073
  8. ZHEJIANG UNIVERSITY 1,061
  9. PANASONIC INTELLECTUAL PROPERTY JP 1,058
  10. PANASONIC INTELLECTUAL PROPERTY 1,038