CPC Subgroup Additional Only
B32B 2264/30 Particles characterised by physical dimension
Full Title
Composition or properties of particles which form a particulate layer or are present as additives > Particles characterised by physical dimension
7 direct subcodes
Child Classifications
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- B32B 2264/301 Average diameter smaller than 100 nm
- B32B 2264/302 Average diameter in the range from 100 nm to 1000 nm
- B32B 2264/303 Average diameter greater than 1µm
- B32B 2264/304 Particle length
- B32B 2264/305 Particle size distribution, e.g. unimodal size distribution
- B32B 2264/307 Surface area of particles
- B32B 2264/308 Aspect ratio of particles
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