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PCE
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DIFF Subgroup
B32B 5/02

characterised by structural features of a layer

Introduced: September 1968

Title

Titles differ between systems:

IPC: characterised by structural features of a layer comprising fibres or filaments

CPC: characterised by structural features of a layer

Full Title

Full titles differ between systems:

IPC:

Layered products characterised by the non-homogeneity or physical structure of a layer > characterised by structural features of a layer comprising fibres or filaments

CPC:

Layered products characterised by the non- homogeneity or physical structure > characterised by structural features of a layer

Of 9 combined children, 5 exist in both systems.

4 codes are CPC-only extensions.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B32B 5/022 CPC only CPC only
  • B32B 5/024 CPC only CPC only
  • B32B 5/026 CPC only CPC only
  • B32B 5/028 CPC only CPC only
  • B32B 5/04 characterised by a layer being specifically extensible by reason of its structure or arrangement IPC+CPC Available in IPC and CPC
  • B32B 5/08 the fibres or filaments of a layer being of different substances IPC+CPC Available in IPC and CPC
  • B32B 5/10 characterised by a fibrous layer reinforced with filaments IPC+CPC Available in IPC and CPC
  • B32B 5/12 characterised by the relative arrangement of fibres or filaments of 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