CPC Main Group Additional Only
B32B 2264/00 Composition or properties of particles which form a particulate layer or are present as additives
Filing statistics
CPC B32B 2264/00 belongs to the parent subclass B32B, which recorded 381,235 patent applications worldwide between 2013 and 2023. Annual filings declined from 28,950 in 2013 to 24,486 in 2023 (-15%), peaking at 43,790 applications in 2016. The most active applicants in class B32 are NITTO DENKO CORPORATION (5,666 applications), SAINT-GOBAIN GLASS (4,491 applications) and 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) (3,703 applications).
Source: EPO PATSTAT, worldwide filings
10 direct subcodes
Child Classifications
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- B32B 2264/02 Synthetic macromolecular particles
- B32B 2264/04 Cellulosic particles, e.g. rayon
- B32B 2264/06 Vegetal particles
- B32B 2264/08 Animal particles, e.g. leather
- B32B 2264/10 Inorganic particles
- B32B 2264/12 Mixture of at least two particles made of different materials
- B32B 2264/20 Particles characterised by shape
- B32B 2264/30 Particles characterised by physical dimension
- B32B 2264/40 Pretreated particles
- B32B 2264/50 Particles characterised by their position or distribution in a layer
Top Applicants
Top 10 applicants by patent filingsfor class B32, 2013–2023, worldwide · Source: EPO PATSTAT
- NITTO DENKO CORPORATION JP 5,666
- SAINT-GOBAIN GLASS FR 4,491
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 3,703
- DOW GLOBAL TECHNOLOGIES US 3,403
- NITTO DENKO CORPORATION 3,009
- FUJIFILM JP 2,629
- CORNING US 2,623
- LG CHEM KR 2,576
- SEKISUI CHEMICAL COMPANY JP 2,482
- TORAY INDUSTRIES JP 2,189