CPC Main Group
B32B 27/00 Layered products comprising synthetic resin
15 direct subcodes
Child Classifications
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- B32B 27/02 in the form of fibres or filaments
- B32B 27/04 as impregnant, bonding, or embedding substance
- B32B 27/06 as the main or only constituent of a layer, next to another layer of a
- B32B 27/12 next to a fibrous or filamentary layer
- B32B 27/14 next to a particulate layer
- B32B 27/16 specially treated, e.g. irradiated
- B32B 27/18 characterised by the use of special additives
- B32B 27/28 comprising synthetic resins not wholly covered by any one of the sub-groups
- B32B 27/30 comprising vinyl
- B32B 27/32 comprising polyolefins
- B32B 27/34 comprising polyamides
- B32B 27/36 comprising polyesters
- B32B 27/38 comprising epoxy resins
- B32B 27/40 comprising polyurethanes
- B32B 27/42 comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
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