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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- C01P 2002/00 Crystal-structural characteristics
- C01P 2004/00 Particle morphology
- C01P 2006/00 Physical properties of inorganic compounds
Top Applicants
Top 10 applicants by patent filingsfor class C01, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 4,293
- LG CHEM KR 3,317
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,219
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 2,154
- OMYA INTERNATIONAL CH 1,524
- PANASONIC INTELLECTUAL PROPERTY JP 1,362
- SAUDI ARABIAN OIL COMPANY SA 1,298
- SUMITOMO METAL MINING COMPANY JP 1,286
- CENTRAL SOUTH UNIVERSITY 1,243
- L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE FR 1,238