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CPC Subgroup
C01B 3/001

characterised by the uptaking media; Treatment thereof

Full Title

Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen (production of water-gas or synthesis gas from solid carbonaceous material C10J) > Reversible storage of hydrogen, e.g. by hydrogen getters or electrodes > characterised by the uptaking media; Treatment thereof

5 direct subcodes

Child Classifications

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  • C01B 3/0015 Organic compounds, e.g. liquid organic hydrogen carriers [LOHC] or metalorganic compounds; Solutions thereof
  • C01B 3/0073 Slurries; Suspensions
  • C01B 3/0078 Composite solid storage media, e.g. mixtures of polymers and metal hydrides, coated solid compounds or structurally heterogeneous solid compounds
  • C01B 3/0084 Solid storage media characterised by their shape, e.g. porous compacts or hollow particles

Top Applicants

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

  1. CHINESE ACADEMY OF SCIENCES 4,293
  2. LG CHEM KR 3,317
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,219
  4. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 2,154
  5. OMYA INTERNATIONAL CH 1,524
  6. PANASONIC INTELLECTUAL PROPERTY JP 1,362
  7. SAUDI ARABIAN OIL COMPANY SA 1,298
  8. SUMITOMO METAL MINING COMPANY JP 1,286
  9. CENTRAL SOUTH UNIVERSITY 1,243
  10. L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE FR 1,238