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PCE
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DIFF Main Group
B32B 29/00

Layered products comprising paper or cardboard

Introduced: September 1968

Title

Titles differ between systems:

IPC: Layered products essentially comprising paper or cardboard

CPC: Layered products comprising paper or cardboard

Full Title

Full titles differ between systems:

IPC:

Layered products essentially comprising paper or cardboard

CPC:

Layered products comprising paper or cardboard

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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  • B32B 29/02 next to a fibrous or filamentary layer IPC+CPC Available in IPC and CPC
  • B32B 29/04 next to a particulate layer IPC+CPC Available in IPC and CPC
  • B32B 29/06 specially treated, e.g. surfaced, parchmentised IPC+CPC Available in IPC and CPC
  • B32B 29/08 Corrugated paper or cardboard since 1980 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B32,2013–2023, worldwide · Source: EPO PATSTAT

  1. NITTO DENKO CORPORATION JP 4,719
  2. DNP (DAINIPPON PRINTING COMPANY) 3,989
  3. SAINT-GOBAIN GLASS FR 3,695
  4. NITTO DENKO CORPORATION 3,002
  5. DOW GLOBAL TECHNOLOGIES US 2,809
  6. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 2,679
  7. FUJIFILM JP 2,360
  8. TOPPAN PRINTING COMPANY 2,310
  9. CORNING US 2,168
  10. SEKISUI CHEMICAL COMPANY JP 2,115

Top Applicants (CPC)

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