• All sections
• B - Performing operationstransporting
• B32B - Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form
• B32B 25/04 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance

Patent holdings for IPC class B32B 25/04

Total number of patents in this class: 688

10-year publication summary

Principal owners for this class