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DIFF Subgroup
B32B 37/26

with at least one layer which influences the bonding during the lamination process, e.g. release layers or pressure equalising layers

Introduced: January 2006

Title

Titles differ between systems:

IPC: with at least one layer which influences the bonding during the laminating process, e.g. release layers or pressure equalising layers

CPC: with at least one layer which influences the bonding during the lamination process, e.g. release layers or pressure equalising layers

Full Title

Full titles differ between systems:

IPC:

Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding > characterised by the properties of the layers > with at least one layer which influences the bonding during the laminating process, e.g. release layers or pressure equalising layers

CPC:

Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding > characterised by the properties of the layers > with at least one layer which influences the bonding during the lamination process, e.g. release layers or pressure equalising layers

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

Note: 4 CPC extensions are marked as secondary classification only.

Child Classifications

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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