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CPC Subgroup Additional Only
B32B 2250/24

All layers being polymeric

Full Title

Layers arrangement > All layers being polymeric

4 direct subcodes

Child Classifications

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  • B32B 2250/242 All polymers belonging to those covered by group B32B27/32
  • B32B 2250/244 All polymers belonging to those covered by group B32B27/36
  • B32B 2250/246 All polymers belonging to those covered by groups B32B27/32 and B32B27/30
  • B32B 2250/248 All polymers belonging to those covered by group B32B25/00

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