DIFF Main Group
B32B 21/00 Layered products comprising wood, e.g. wood board, veneer, wood particle board
Introduced: September 1968
Title
Titles differ between systems:
IPC: Layered products essentially comprising wood, e.g. wood board, veneer, wood particle board
CPC: Layered products comprising wood, e.g. wood board, veneer, wood particle board
Full Title
Full titles differ between systems:
IPC:
Layered products essentially comprising wood, e.g. wood board, veneer, wood particle board
CPC:
Layered products comprising wood, e.g. wood board, veneer, wood particle board
IPC and CPC are identically structured here. All 6 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B32B 21/04 comprising wood as the main or only constituent of a layer, next to another layer of a +3 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class B32,2013–2023, worldwide · Source: EPO PATSTAT
- NITTO DENKO CORPORATION JP 4,719
- DNP (DAINIPPON PRINTING COMPANY) 3,989
- SAINT-GOBAIN GLASS FR 3,695
- NITTO DENKO CORPORATION 3,002
- DOW GLOBAL TECHNOLOGIES US 2,809
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 2,679
- FUJIFILM JP 2,360
- TOPPAN PRINTING COMPANY 2,310
- CORNING US 2,168
- SEKISUI CHEMICAL COMPANY JP 2,115
Top Applicants (CPC)
Class B32,2013–2023, worldwide · Source: EPO PATSTAT
- NITTO DENKO CORPORATION JP 5,666
- SAINT-GOBAIN GLASS FR 4,491
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 3,703
- DOW GLOBAL TECHNOLOGIES US 3,403
- NITTO DENKO CORPORATION 3,009
- FUJIFILM JP 2,629
- CORNING US 2,623
- LG CHEM KR 2,576
- SEKISUI CHEMICAL COMPANY JP 2,482
- TORAY INDUSTRIES JP 2,189