by organic substances

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form > Treatment of tobacco products or tobacco substitutes > by chemical substances > by organic substances

CPC:

Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form (A24B3/00 takes precedence) > Treatment of tobacco products or tobacco substitutes > by chemical substances > by organic substances

CPC subdivides this area 2x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

IPC defines codes here since 1980.

Child Classifications

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A24B 15/301 CPC only CPC only
A24B 15/302 +1 CPC CPC only CPC only
A24B 15/305 +2 CPC CPC only CPC only
A24B 15/308 CPC only CPC only
A24B 15/32 by acyclic compounds since 1980 IPC+CPC Available in IPC and CPC
A24B 15/34 containing a carbocyclic ring other than a six-membered aromatic ring since 1980 +1 CPC IPC+CPC Available in IPC and CPC
A24B 15/36 containing a heterocyclic ring since 1980 +1 CPC IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class A24,2013–2023, worldwide · Source: EPO PATSTAT

PHILIP MORRIS PRODUCTS CH 13,201
NICOVENTURES TRADING GB 7,482
KT & G CORPORATION KR 4,818
JAPAN TOBACCO JP 4,636
JT INTERNATIONAL CH 3,806
CHINA TOBACCO YUNNAN INDUSTRIAL COMPANY 2,490
CHINA TOBACCO HENAN INDUSTRIAL 2,453
CHINA TOBACCO HUBEI INDUSTRIAL 2,344
BRITISH AMERICAN TOBACCO (INVESTMENTS) GB 2,199
SHENZHEN FIRST UNION TECHNOLOGY COMPANY 2,097

Top Applicants (CPC)

Class A24,2013–2023, worldwide · Source: EPO PATSTAT

PHILIP MORRIS PRODUCTS CH 13,994
NICOVENTURES TRADING GB 7,744
KT & G CORPORATION KR 4,857
JAPAN TOBACCO JP 4,561
JT INTERNATIONAL CH 3,946
BRITISH AMERICAN TOBACCO (INVESTMENTS) GB 2,374
ALTRIA CLIENT SERVICES US 2,122
RAI STRATEGIC HOLDINGS US 2,061
NICOVENTURES TRADING 1,940
PHILIP MORRIS PRODUCTS 1,855