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CPC Subgroup
C01F 5/14

Magnesium hydroxide

Full Title

Compounds of magnesium > Magnesium hydroxide

4 direct subcodes

Child Classifications

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  • C01F 5/16 by treating magnesia, e.g. calcined dolomite, with water or solutions of salts not containing magnesium
  • C01F 5/20 by precipitation from solutions of magnesium salts with ammonia
  • C01F 5/22 from magnesium compounds with alkali hydroxides or alkaline- earth oxides or hydroxides

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