DIFF Subgroup
C06F 3/02 Wooden strip for matches or substitute therefor
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Chemical features in the manufacture of matches > Wooden strip for matches or substitute therefor
CPC:
Chemical features in the manufacture of matches (ignition compositions C06B) > Wooden strip for matches or substitute therefor
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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- C06F 3/04 Chemical treatment before or after dipping, e.g. dyeing, impregnating IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class C06,2013–2023, worldwide · Source: EPO PATSTAT
- XIAN MODERN CHEMISTRY RESEARCH INSTITUTE 390
- BEIJING INSTITUTE OF TECHNOLOGY 338
- INST. OF CHEMICAL MATERIAL, CHINA ACADEMY OF ENGINEERING PHYSICS 275
- HUBEI INSTITUTE OF AEROSPACE CHEMOTECHNOLOGY 232
- NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY 176
- AGENCY FOR DEFENSE DEVELOPMENT KR 112
- NORTH UNIVERSITY OF CHINA 91
- DYNO NOBEL ASIA PACIFIC AU 91
- NANJING UNIVERSITY OF SCIENCE & TECHNOLOGY 86
- BAE SYSTEMS GB 84
Top Applicants (CPC)
Class C06,2013–2023, worldwide · Source: EPO PATSTAT
- XIAN MODERN CHEMISTRY RESEARCH INSTITUTE 309
- BEIJING INSTITUTE OF TECHNOLOGY 295
- INST. OF CHEMICAL MATERIAL, CHINA ACADEMY OF ENGINEERING PHYSICS 216
- HUBEI INSTITUTE OF AEROSPACE CHEMOTECHNOLOGY 187
- NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY 120
- DYNO NOBEL ASIA PACIFIC AU 108
- AGENCY FOR DEFENSE DEVELOPMENT KR 102
- DAICEL CORPORATION JP 102
- BAE SYSTEMS GB 91
- DYNO NOBEL US 88