IPC Subgroup
B32B 3/12 characterised by a layer of regularly-arranged cells whether integral or formed individually or by conjunction of separate strips, e.g. honeycomb structure
Introduced: September 1968
Last revised: January 2006
Full Title
Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form > characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material > characterised by a layer of regularly-arranged cells whether integral or formed individually or by conjunction of separate strips, e.g. honeycomb structure
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- LAYERED PRODUCTS
- Subclass:
- LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
Related Keywords
layered products with a layer of HONEYCOMB
Top Applicants
Top 10 applicants by patent filingsfor class B32, 2013–2023, worldwide · Source: EPO PATSTAT
- NITTO DENKO CORPORATION JP 4,719
- DNP (DAINIPPON PRINTING COMPANY) 3,989
- SAINT-GOBAIN GLASS FR 3,695
- NITTO DENKO CORPORATION 3,002
- DOW GLOBAL TECHNOLOGIES US 2,809
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 2,679
- FUJIFILM JP 2,360
- TOPPAN PRINTING COMPANY 2,310
- CORNING US 2,168
- SEKISUI CHEMICAL COMPANY JP 2,115