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CPC Main Group
B32B 21/00

Layered products comprising wood, e.g. wood board, veneer, wood particle board

6 direct subcodes

Child Classifications

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  • B32B 21/02 of fibres, chips, or particles
  • B32B 21/10 Next to a fibrous or filamentary layer
  • B32B 21/12 next to a particulate layer
  • B32B 21/13 all layers being exclusively wood
  • B32B 21/14 comprising wood board or veneer

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