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CPC Subclass Not Allocatable
C01P

INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS

Description

C01P is an indexing scheme used to classify solid inorganic compounds based on their structural and physical properties rather than chemical composition or preparation methods. This classification captures characteristics such as crystal structure, particle morphology, porosity, surface area, and phase composition of inorganic materials. It serves as a supplementary tool to complement primary chemical classifications, enabling cross-referencing of patents by material properties that are relevant to performance and applications. This scheme is particularly useful for identifying patents involving advanced materials like nanostructured compounds, composites, and specialized ceramics where physical form significantly influences functionality.

3 direct subcodes

Child Classifications

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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