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PCE
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CPC Subgroup Additional Only
B32B 2264/50

Particles characterised by their position or distribution in a layer

Full Title

Composition or properties of particles which form a particulate layer or are present as additives > Particles characterised by their position or distribution in a layer

4 direct subcodes

Child Classifications

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  • B32B 2264/501 homogeneously distributed
  • B32B 2264/502 distributed in a gradient manner
  • B32B 2264/503 distributed in a predetermined pattern in a thickness direction
  • B32B 2264/504 distributed in a predetermined pattern in a direction perpendicular to the thickness

Top Applicants

Top 10 applicants by patent filingsfor class B32, 2013–2023, worldwide · Source: EPO PATSTAT

  1. NITTO DENKO CORPORATION JP 5,666
  2. SAINT-GOBAIN GLASS FR 4,491
  3. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 3,703
  4. DOW GLOBAL TECHNOLOGIES US 3,403
  5. NITTO DENKO CORPORATION 3,009
  6. FUJIFILM JP 2,629
  7. CORNING US 2,623
  8. LG CHEM KR 2,576
  9. SEKISUI CHEMICAL COMPANY JP 2,482
  10. TORAY INDUSTRIES JP 2,189