CPC Subgroup
B32B 5/02 characterised by structural features of a layer
Full Title
Layered products characterised by the non- homogeneity or physical structure > characterised by structural features of a layer
9 direct subcodes
Child Classifications
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- B32B 5/04 characterised by a layer being specifically extensible by reason of its structure or arrangement
- B32B 5/06 characterised by a fibrous layer to another layer, e.g. of fibres, of paper
- B32B 5/08 the fibres or filaments of a layer being of different substances
- B32B 5/10 characterised by a fibrous layer reinforced with filaments
- B32B 5/12 characterised by the relative arrangement of fibres or filaments of
Top Applicants
Top 10 applicants by patent filingsfor 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