CPC Subgroup Additional Only
B32B 2307/40 having particular optical properties
Full Title
Properties of the layers or laminate > having particular optical properties
11 direct subcodes
Child Classifications
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- B32B 2307/402 Coloured
- B32B 2307/406 Bright, glossy, shiny surface
- B32B 2307/408 Matt, dull surface
- B32B 2307/409 Iridescent, pearlescent surface
- B32B 2307/41 Opaque
- B32B 2307/412 Transparent
- B32B 2307/414 Translucent
- B32B 2307/416 Reflective
- B32B 2307/418 Refractive
- B32B 2307/42 Polarizing, birefringent, filtering
- B32B 2307/422 Luminescent, fluorescent, phosphorescent
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