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CPC Subgroup
B32B 19/06

next to a fibrous or filamentary layer

Full Title

Layered products comprising natural mineral fibres or particles, e.g. asbestos, mica > next to a fibrous or filamentary layer

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