Layered products comprising bituminous or tarry substances

Introduced: September 1968

Title

Titles differ between systems:

IPC: Layered products essentially comprising bituminous or tarry substances

CPC: Layered products comprising bituminous or tarry substances

Full titles differ between systems:

IPC:

Layered products essentially comprising bituminous or tarry substances

CPC:

Layered products comprising bituminous or tarry substances

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Navigate with arrow keys, Enter to open

B32B 11/02 with fibres or particles IPC+CPC Available in IPC and CPC
B32B 11/04 comprising such substance as the main or only constituent of a layer, next to another layer of a +4 CPC IPC+CPC Available in IPC and CPC
B32B 11/10 next to a fibrous or filamentary layer IPC+CPC Available in IPC and CPC
B32B 11/12 next to a particulate layer IPC+CPC Available in IPC and CPC

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

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