CPC Main Group Additional Only
B32B 2255/00 Coating on the layer surface
10 direct subcodes
Child Classifications
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- B32B 2255/02 on fibrous or filamentary layer
- B32B 2255/04 on a particulate layer
- B32B 2255/06 on metal layer
- B32B 2255/08 on wood layer
- B32B 2255/10 on synthetic resin layer or on natural or synthetic rubber layer
- B32B 2255/12 on paper layer
- B32B 2255/20 Inorganic coating
- B32B 2255/24 Organic non-macromolecular coating
- B32B 2255/26 Polymeric coating
- B32B 2255/28 Multiple coating on one surface
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