CPC Main Group
B32B 25/00 Layered products comprising natural or synthetic rubber
8 direct subcodes
Child Classifications
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- B32B 25/02 with fibres or particles
- B32B 25/04 comprising rubber as the main or only constituent of a layer, next to another layer of a
- B32B 25/10 next to a fibrous or filamentary layer
- B32B 25/12 comprising natural rubber
- B32B 25/14 comprising
- B32B 25/16 comprising polydienes or poly-halodienes
- B32B 25/18 comprising butyl or halobutyl rubber
- B32B 25/20 comprising silicone rubber
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