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IPC Main Group
B32B 15/00

Layered products essentially comprising metal

Introduced: September 1968

Last revised: January 2006

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

metal laminates for COIN(S)

7 direct subcodes

Child Classifications

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  • B32B 15/01 all layers being exclusively metallic
  • B32B 15/02 in a form other than a sheet, e.g. wire, particles
  • B32B 15/14 next to a fibrous or filamentary layer
  • B32B 15/16 next to a particulate layer
  • B32B 15/18 comprising iron or steel
  • B32B 15/2 comprising aluminium or copper

Top Applicants

Top 10 applicants by patent filingsfor class B32, 2013–2023, worldwide · Source: EPO PATSTAT

  1. NITTO DENKO CORPORATION JP 4,719
  2. DNP (DAINIPPON PRINTING COMPANY) 3,989
  3. SAINT-GOBAIN GLASS FR 3,695
  4. NITTO DENKO CORPORATION 3,002
  5. DOW GLOBAL TECHNOLOGIES US 2,809
  6. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 2,679
  7. FUJIFILM JP 2,360
  8. TOPPAN PRINTING COMPANY 2,310
  9. CORNING US 2,168
  10. SEKISUI CHEMICAL COMPANY JP 2,115